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# American Weathermakers

## Sitemaps
[XML Sitemap](https://www.americanweathermakers.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Why Is My AC Not Blowing Cold Air? 7 Common Causes & Quick Fixes](https://www.americanweathermakers.com/blog/why-is-my-ac-not-blowing-cold-air/): If you're wondering, "Why is my AC not blowing cold air?", here are seven of the most common culprits:
- [Spring AC Maintenance Checklist](https://www.americanweathermakers.com/blog/spring-ac-maintenance-checklist/): Following a spring AC maintenance checklist offers several important benefits:
- [Plumbing Camera / Rodding Services](https://www.americanweathermakers.com/blog/plumbing-camera-rodding-services/): If you have a home, a video sewer inspection will give you peace of mind that there is not a problem starting.
- [TARIFFS ON HVAC/ PLUMBING](https://www.americanweathermakers.com/blog/tariffs-on-hvac-plumbing/): Additional charges to customers for repairs and replacement are a reality this year because of tariffs imposed on other nations from the United States. After a roller coaster ride pricing increases in the last four years due to COVID-19 and supply chain issues. The next pending issue coming is tariff increases to my customers. Thankfully this has not occurred yet, but all my whole sellers are warning this on the horizon depending on Geo Political follow thru of tariffs. We do not want to be doom and gloom.
- [Troubleshooting Common Heating Problems](https://www.americanweathermakers.com/blog/troubleshooting-common-heating-problems/): When the temperature drops, the last thing you want is for your heating system to stop working. Unfortunately, many homeowners experience common heating issues that can leave them feeling frustrated and cold. The good news is that some heating problems can be easily troubleshooted and resolved with a little know-how.
- [The Importance of Regular Furnace Maintenance](https://www.americanweathermakers.com/blog/the-importance-of-regular-furnace-maintenance/): Regular furnace maintenance is not just about staying cozy during winter; it’s also about safety, energy efficiency, and prolonging the life of your heating system. At American Weathermakers, we believe in helping homeowners stay ahead of potential problems and avoid costly repairs with proper furnace care. Here’s why regular furnace maintenance is so important and how it benefits your home.
- [Common Winter Plumbing Issues and How to Avoid Them](https://www.americanweathermakers.com/blog/common-winter-plumbing-issues-and-how-to-avoid-t/): Winter can be a challenging season for homeowners, especially when it comes to plumbing. Cold temperatures can wreak havoc on your pipes, water heater, and drains, leading to costly repairs and significant inconvenience. In this blog post, we'll explore some of the most common winter plumbing issues and provide you with practical tips to prevent and address them. By taking proactive measures, you can ensure your plumbing system remains in top shape throughout the colder months.
- [Pricing](https://www.americanweathermakers.com/blog/pricing/): We recently got a poor public review posted.
- [How To Improve Furnace Tune-ups With HVAC Upgrades In Northbrook, IL](https://www.americanweathermakers.com/blog/how-to-improve-furnace-tune-ups-with-hvac-upgrad/): Unlock the secrets to a safer, cleaner, and more reliable furnace with cutting-edge HVAC upgrades in Northbrook, IL.
- [Top Tips for Maintaining Your Heating System During Cold Weather](https://www.americanweathermakers.com/blog/top-tips-for-maintaining-your-heating-system-during-cold-weather/): One of the simplest yet most effective ways to maintain your heating system during cold weather is by regularly inspecting and replacing air filters. Dirty air filters can significantly reduce the efficiency of your heating system, leading to higher energy bills and poorer indoor air quality. During peak usage months, it's advisable to check your air filters monthly. If they appear dirty or clogged, replace them immediately. Clean air filters allow your system to work more efficiently, ensuring that warm air circulates freely throughout your home. This not only helps in maintaining a comfortable indoor temperature but also extends the lifespan of your heating system.
- [Time to Clean your Furnace, why?](https://www.americanweathermakers.com/blog/time-to-clean-your-furnace-why/): As the chill of winter approaches, many homeowners turn their attention to their heating systems. While it might be tempting to simply crank up the thermostat and forget about the furnace until spring, neglecting annual maintenance can lead to serious safety issues, increased energy costs, and missed opportunities for efficiency. Here are the key reasons why you should prioritize yearly furnace cleaning and checks.
- [Humidity Control and Your HVAC System: Enhancing Comfort and Health](https://www.americanweathermakers.com/blog/humidity-control-and-your-hvac-system-enhancing-comfort-and-health/): Relative humidity plays a crucial role in the overall air quality of our indoor environments. It's the percentage of water vapor present in the air compared to the maximum amount the air can hold at a given temperature. When levels are too high, our homes can feel stuffy and oppressive, and when they're too low, the air can feel dry and harsh. Both extremes can lead to discomfort, exacerbating health issues like dry skin, irritated eyes, and aggravated respiratory conditions. Properly managed humidity levels ensure a comfortable atmosphere, making it easier to breathe and live within our spaces. It's not just about comfort, though; maintaining the right balance is key to preserving the integrity of our homes, protecting wooden structures and furnishings from warping or cracking.
- [What Are Some Common AC Problems During Illinois Summers?](https://www.americanweathermakers.com/blog/what-are-some-common-ac-problems-during-illinois-summers/): Illinois summers can be scorching, making a reliable air conditioning system essential for comfort. However, the intense heat often puts additional strain on AC units, leading to common problems that can disrupt their efficiency and performance. At American Weathermakers Inc., we understand these challenges and offer solutions to keep your home cool and comfortable. Here are some typical issues you might encounter and how to address them.
- [WHOLE HOUSE WATER PROTECTION](https://www.americanweathermakers.com/blog/whole-house-water-protection/): Water Protection is easier than ever- learn more Home protection has become easier than ever. American Weathermakers has been ask by customers because their insurance carriers are discounting home insurance in exchange for home protect to be added. Did you know that a water leak left un-noticed or a busted pipe can cause far more financial cost than any home robbery could. I think we will see a trend that will require this as part of your home protection, even if you don't have a security system. Get the benefits of monitoring 24-7 an essential service to your home that you could not do without. What American Weathermakers likes about the Moen system: This device constantly monitors the pressure and flow rate of the water moving through your home's pipes, detecting leaks as small as a drop per minute. If a leak is detected, you'll receive an alert through the app, and the Flo Shutoff can automatically shut off your water to prevent a minor leak from causing major damage. Call or schedule a free home review on how much a one time install could give you a lifetime of piece of mind.
- [Dehumidification : The Real Comfort Killer](https://www.americanweathermakers.com/blog/dehumidification-the-real-comfort-killer/): Humidity can make you feel uncomfortable because it can make it hard for your body to cool itself through sweat. When you sweat, heat from your body evaporates into the air, which cools your skin. However, when the air is already humid/ full of moisture, it's harder for sweat to evaporate, so your body can't cool down. As a result, you might feel warm and sticky, and your body might sweat even more
- [HVAC System Sizing: Why Proper Sizing Matters for Efficiency](https://www.americanweathermakers.com/blog/hvac-system-sizing-why-proper-sizing-matters-for-efficiency/): When it comes to heating and cooling your home, understanding the language of HVAC professionals is key. British Thermal Units (BTUs) and tons are the alphabets of this language, each letter representing a crucial aspect of your system's capacity. BTUs measure the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. This measurement translates into the everyday workings of your HVAC system, indicating how much heat it can remove from your home within an hour. Tonnage, on the other hand, is a term borrowed from the days when ice was king. One ton represents the cooling power of one ton of ice melting over 24 hours. In modern terms, it equates to 12,000 BTUs. Understanding these units helps homeowners in Northbrook, IL, grasp the power and efficiency of their HVAC systems.
- [Energy-Efficient HVAC Upgrades](https://www.americanweathermakers.com/blog/energy-efficient-hvac-upgrades/): When it comes to energy savings, the efficiency of your HVAC unit is paramount. Units with high Seasonal Energy Efficiency Ratio (SEER) and Energy Efficiency Ratio (EER) ratings are designed to use less energy while providing the same level of comfort as their less efficient counterparts. This not only translates to lower utility bills but also contributes to a reduced environmental impact. Investing in a high-efficiency HVAC unit is a smart move for homeowners in Northbrook, IL, who are looking to optimize their energy usage and save money in the long run.
- [Surge Protection is it right for me?](https://www.americanweathermakers.com/blog/surge-protection-is-it-right-for-me/): With any modern appliance they are full of delicate electronics. These electrical circuit boards are prone to damaged by electrical surges, brown outs or other dirty power problems. We count on our appliances to give us the creature comforts we enjoy and come to rely on. Ask you tech today if this protection is worth your investment. We have years of installation experience to install this product today.
- [Cottonwood is Evil](https://www.americanweathermakers.com/blog/cottonwood-is-evil/): Cottonwood in history: Few sights were more welcome to America’s early pioneers than the cottonwood tree. As they pushed westward with their wagons, these brave men and women found food for their livestock in the tree's leaves, as well as shade for themselves and timber for their dwellings. The beauty of the cottonwood leaves as they turn in the wind may also have revived memories of eastern forests and sustained many a flagging spirit. On the more practical side, cottonwood trunks provided dugout canoes, and the tree’s bark was used to produce both forage for horses and a bitter medicinal tea. And in regions with few trees, the very noticeable cottonwoods often served as gathering places, trail markers, and as sacred objects for several Plains tribes. Today, cottonwood trees are commonly used in making plywood, matches, crates, boxes, and paper pulp.
- [Are you planning on a furnace replacement?](https://www.americanweathermakers.com/blog/are-you-planning-on-a-furnace-replacement/): I run into customers all the time that have equipment for 25 years or longer. They start to develop a sense that it will last forever. They start to have short term memory loss when our emergency tech came out in the middle of the night to restore your heat. They seemed to forget at that time we recommended a replacement. Do not become equipment blind and surprised when old faithful breaks down and repair costs become more expensive. This happens through mere economics. The majority of homes we service have newer equipment, and we stock our trucks accordingly. In the past, as an example, I would stock my truck with belts for older furnace repairs. These belts were used to connect the blower wheel to the motor. Fast forward to today; modern furnaces do not use belts, they all have direct drive motors that directly attach to the blower wheel. So, the question is, “How many different belts should I stock my service truck with?” The correct answer is none. This example is one of many why repair costs on older furnaces are so high, and in this example, the repair will take two visits to fix. Even though your furnace is now working, still ask for a quote. By doing so you will know the cost of replacement. Knowing what to expect, price wise, is valuable information to have on-hand if and when that unfortunate breakdown does occur. It will aid in your decision making, do I want to revive the patient (furnace) or is this the final straw? We also have an unwritten policy here at American Weathermakers, if you have had a repair within the last 30 days and you are now having second thoughts. Don’t fret it. We will credit you up to 50% of your repair cost to get your new furnace installed. Do not psych yourself out and feel you have to keep that old beast alive when you can feel confident with the installation of a new furnace. I could exchange the word furnace with any equipment (Air Conditioner, water heater, boiler and any mechanical device)
- [Maintenance Just Makes Cents $](https://www.americanweathermakers.com/blog/maintenance-just-makes-cents/): American Weathermakes primary focus is maintenance of to help keep your equipment in top working condition, avoid breakdowns and squeeze as much life out of the equipment you currently have. Thank you to all that are in our Comfort Club. They save the most money, have double the warranties on repairs. Learn more, click here.
- [A2L Refrigerants : Right now you have a choice, after 2025 you will not](https://www.americanweathermakers.com/blog/a2l-refrigerants-right-now-you-have-a-choice-after-2025-you-will-not/): American Weathermakers wants to keep our customers aware of the changes coming that will affect us all. There is an Air Conditioning refrigerant change coming in 2025. We want to start the conversation now, so you’ll be ready to make a well-informed decision in 2024.
- [Benefits of Programmable Thermostats](https://www.americanweathermakers.com/blog/benefits-of-programmable-thermostats/): Imagine a world where your home intuitively knows your schedule, adjusting the temperature to your comfort while also cutting down on unnecessary energy use. This isn't a futuristic fantasy; it's the reality offered by programmable thermostats. These devices are designed to reduce energy consumption during peak hours by allowing homeowners to set specific temperatures for different times of the day. For instance, you can program the thermostat to lower the heat when you're at work or asleep, and to warm up the house just before you return or wake up. This smart use of energy not only leads to enhanced comfort but also translates into tangible savings on utility bills, making programmable thermostats a wise investment for cost-conscious homeowners in Northbrook, IL.
- [Don’t Let Winter Woes Become Summer Woes: Moisture Control for Allergies and Pests](https://www.americanweathermakers.com/blog/dont-let-winter-woes-become-summer-woes-moisture-control-for-allergies-and-pests/): We all love a mild winter, but for allergy sufferers, it can be a sneaky villain. Warmer temperatures can wreak havoc on our sinuses, and the culprit? An earlier and more intense allergy season. Here's how a lack of winter chill translates to sniffles and sneezes come spring.
- [Warm Winters May Cause Longer Allergy Seasons](https://www.americanweathermakers.com/blog/warm-winters-may-cause-longer-allergy-seasons/): Experts are predicting strong El Niño conditions this winter with heavier rains and warmer temperatures. Those factors combined with rising carbon dioxide levels causing climate change could actually worsen allergies and asthma.
- [How to Unclog a Drain Without Harsh Chemicals: A Step-by-Step Guide](https://www.americanweathermakers.com/blog/how-to-unclog-a-drain-without-harsh-chemicals-a-step-by-step-guide/): Dealing with a clogged drain can be a frustrating experience for homeowners. While harsh chemical drain cleaners may seem like a quick fix, they can cause damage to your pipes and the environment. In this blog post, we will provide you with a step-by-step guide on how to unclog a drain without the use of harsh chemicals. Follow these tips to effectively tackle common drain issues and maintain a healthy plumbing system in your home.
- [75TH ANNIVERSARY (Customer Proud)](https://www.americanweathermakers.com/blog/75th-anniversary-customer-proud/): Today, our company is employee owned, and our future is very bright. Our core values have gotten us here, dedicated to your comfort, honesty, and integrity so we can maintain our motto:
- [Carbon Monoxide Poisoning: Signs, Symptoms, and Prevention Tips](https://www.americanweathermakers.com/blog/carbon-monoxide-poisoning-signs-symptoms-and-prevention-tips/): Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that can be deadly if not detected early. It is produced by the incomplete combustion of fuels such as gas, oil, and wood. According to the Centers for Disease Control and Prevention (CDC), over 400 Americans die from unintentional CO poisoning each year, and more than 20,000 visit the emergency room. As an HVAC 2.0 company, we want to educate our customers about the dangers of carbon monoxide and provide them with practical tips to prevent CO poisoning.

## Pages
- [Fine Tune Program](https://www.americanweathermakers.com/about-us/fine-tune-program/): The Fine Tune Program at American Weathermakers is a smart, cost-effective way to keep your HVAC and plumbing systems running safely year-round. This annual maintenance plan helps you save time and money with prepaid tune-ups scheduled around your needs.
- [Sitemap](https://www.americanweathermakers.com/sitemap/)
- [Terms and Conditions](https://www.americanweathermakers.com/terms-and-conditions/): Effective Date: February 18, 2026
- [Northbrook](https://www.americanweathermakers.com/areas-we-serve/northbrook/): American Weathermakers is your trusted provider for heating, cooling, and plumbing services in Northbrook, IL.
- [Emergency HVAC & Plumbing Services](https://www.americanweathermakers.com/emergency-hvac-plumbing-services/): Dealing with a heating, cooling, or plumbing emergency? You can count on American Weathermakers to provide fast, reliable, and affordable HVAC and plumbing services in Northbrook, IL, and the surrounding areas. Our licensed and insured technicians are available 24 hours a day, 7 days a week, 365 days a year. Contact us for same-day service you can count on.
- [Products We Carry & Service](https://www.americanweathermakers.com/photo-gallery/products-we-carry-service/): Products We Carry & Service
- [Generators](https://www.americanweathermakers.com/generators/): Losing power in your home from severe weather or any other type of event is not only inconvenient but also potentially dangerous. Make sure your home and family are protected from potential blackouts by turning to American Weathermakers for professional generator services in Northbrook. 
- [Schedule a Service](https://www.americanweathermakers.com/schedule-a-service/): Schedule a Service
- [Photo Gallery](https://www.americanweathermakers.com/photo-gallery/): Photo Gallery Products We Carry & Service Recent Work
- [Recent Work](https://www.americanweathermakers.com/photo-gallery/recent-work/): Recent Work
- [Apply](https://www.americanweathermakers.com/about-us/employment/apply/): Whether you are looking to schedule a tune-up, need emergency assistance, or are simply looking to inquire about our services, we are here to help you! Please use our contact form to send us a message, call us directly at (847) 509-2188, or request a service by using our convenient online scheduling system.
- [All Plumbing Services](https://www.americanweathermakers.com/all-plumbing-services/): We won’t be comfortable until you are! Call (847) 509-2188 to discover the American Weathermakers difference.
- [All Heating Services](https://www.americanweathermakers.com/all-heating-services/): We won’t be comfortable until you are! Call (847) 509-2188 to discover the American Weathermakers difference.
- [All AC Services](https://www.americanweathermakers.com/all-ac-services/): We won’t be comfortable until you are! Call (847) 509-2188 to discover the American Weathermakers difference.
- [RingCentral eMail Unsubscribe](https://www.americanweathermakers.com/ringcentral-email-unsubscribe/): You have been unsubscribed from the email list ... Sorry to see you go.
- [RingCentral eMail Confirmation](https://www.americanweathermakers.com/ringcentral-email-confirmation/): email-confirmed ... thanks for joining our distribution list!
- [North Chicago, IL](https://www.americanweathermakers.com/areas-we-serve/north-chicago-il/): North Chicago trusts American Weathermakers for all of its HVAC needs. American Weathermakers has been a local business in North Chicago for years. Our customers have relied on us time and again to service their air conditioning and heating needs since 1949. American Weathermakers is a part of the community. We enjoy servicing our friends and neighbors and continue to strive towards making North Chicago one of the best places to live in the country.
- [Mundelein, IL](https://www.americanweathermakers.com/areas-we-serve/mundelein-il/): American Weathermakers is a close neighbor to Mundelein, Illinois. We are a long-time local business to North Suburban residents and they’ve trusted us to service their air conditioning and heating systems for more than 60 years. American Weathermakers is not just a business, we’re a part of the local community and help homeowners make Mundelein one of the best communities to live in the country.
- [Gurnee, IL](https://www.americanweathermakers.com/areas-we-serve/gurnee-il/): American Weathermakers is a close neighbor to Gurnee, Illinois. We have been a local business servicing the homes of North Suburban residents and they’ve counted on us to service their air conditioning and heating systems for more than 60 years. American Weathermakers is not only a business; we are also a contributing member of the local community whose aim is to help homeowners make Gurnee one of the best communities to raise a family in America.
- [Grayslake, IL](https://www.americanweathermakers.com/areas-we-serve/grayslake-il/): American Weathermakers is the most popular HVAC contractor for all of your heating and air cooling needs. American Weathermakers has been a local business in the North suburbs of Chicago for years. Our customers have relied on us time and again to service their air conditioning and heating systems since 1949. American Weathermakers is a part of the community. We enjoy servicing our friends and neighbors and continue to strive towards making Grayslake one of the most idyllic places to live in the country.
- [Des Plaines, IL](https://www.americanweathermakers.com/areas-we-serve/des-plaines-il/): American Weathermakers is a close neighbor to Des Plaines, Illinois. We have been a local business which services the homes of North Suburban residents and they’ve continuously trusted us to take care of their air conditioning and heating systems for over 60 years. American Weathermakers is not just a business; we are also a part of the local Northern Chicago community. Our top goal is to help homeowners make their Des Plaines house the best it can be. Our work is 100% guaranteed.
- [Chicago, IL](https://www.americanweathermakers.com/areas-we-serve/chicago-il/): American Weathermakers is the best HVAC service provider in Chicago, Illinois. We have been a local business servicing the homes Chicago residents and they’ve relied on us to service their air conditioning and heating systems for over 60 years. American Weathermakers is not just business; we are also an active member of the community whose goal is to help homeowners make Chicago one of the best cities in the world.
- [Belmont Cragin, IL](https://www.americanweathermakers.com/areas-we-serve/belmont-cragin-il/): Homeowners in Belmont Cragin trust American Weathermakers for all of its HVAC needs. American Weathermakers has been a local business in the Belmont Cragin community for decades. Our customers have consistently relied on us to service their air conditioning and heating needs since 1949. American Weathermakers is a part of the community and enjoys servicing our friends and neighbors so they have the best heating and cooling care. We strive towards making Belmont Cragin one of the best places to live in the city of Chicago.
- [Arlington Heights, IL](https://www.americanweathermakers.com/areas-we-serve/arlington-heights-il/): American Weathermakers is a close neighbor to Arlington Heights, Illinois. We have been a local business which services the homes of North Suburban residents and they've continued to trust us to service their air conditioning and heating systems for over 60 years. American Weathermakers is not just a business; we are also a part of the local community. Our continuous goal is to help homeowners make Arlington Heights one of the best communities to live in the country.
- [Emergency Plumbing](https://www.americanweathermakers.com/plumbing-services/emergency-plumbing/): At American Weathermakers, we understand that plumbing emergencies can occur at the most inconvenient times. With more than 70 years of service in Northbrook and the surrounding Chicagoland area, we're your trusted source for handling plumbing crises quickly and efficiently. Our team is licensed, insured, and committed to transparency, ensuring that you receive straightforward solutions without unexpected costs. We're available 24/7 to assist with any emergency plumbing issues, from broken pipes to severe leaks.
- [Piping & Repiping](https://www.americanweathermakers.com/plumbing-services/piping-repiping/): If your home's piping is more than 20 to 30 years old, it may be leaking, clogging, or simply failing to provide the reliable service you need. A modern, reliable system will keep you and your family comfortable, save you money on utilities, and ensure that your home is protected from the damaging effects of a failing piping system. At American Weathermakers, our Northbrook-area technicians can help you find a solution that works for your budget and your home.
- [Green Plumbing](https://www.americanweathermakers.com/plumbing-services/green-plumbing/): The plumbing system in your home is essential for everyday life. However, the water and waste that your plumbing system transports can have a significant impact on the environment. From the materials that your pipes are made of to the products that you use to clean your drains, your plumbing system can be a major contributor to environmental pollution. Fortunately, there are a number of ways that you can protect the environment while still having a functional plumbing system.
- [Toilet Repair](https://www.americanweathermakers.com/plumbing-services/toilet-repair/): At American Weathermakers, we understand the frustration and inconvenience caused by toilet issues. Our team offers reliable and prompt toilet repair services throughout Northbrook, ensuring your plumbing systems run smoothly. With over 70 years of experience serving the Chicagoland area, we have the skills and knowledge to handle any toilet-related problem efficiently.
- [Hydro Jetting](https://www.americanweathermakers.com/plumbing-services/hydro-jetting/): At American Weathermakers, we have been serving Chicagoland, including Northbrook, for over 70 years with reliable home comfort solutions. Our hydro jet services are designed to cater specifically to the local community's needs, ensuring clear pipes and efficient plumbing systems. Northbrook residents trust us because we offer:
- [Fixture Repair](https://www.americanweathermakers.com/plumbing-services/fixture-repair/): At American Weathermakers, we are your trusted partners for fixture repair in Northbrook. Our approach combines over 70 years of experience with a commitment to superior workmanship and exceptional customer care. Whether you need quick fixes for leaky fixtures or comprehensive repair solutions, our licensed and insured team offers transparent, straightforward services tailored to meet your needs. Here’s how our commitment to quality and customer satisfaction sets us apart.
- [Drain Cleaning](https://www.americanweathermakers.com/plumbing-services/drain-cleaning/): Drain cleaning is a necessary part of maintaining a home. The kitchen, bathroom, laundry room, and any other place that has a drain present a chance for a clog to form. Sometimes, clogs are the result of a person's own actions. Other times, clogs are the result of an accumulation of debris that is too much for the drain to handle. Regardless of the cause, it is important to have the drain cleaned regularly to avoid a clog from blocking the pipe and potentially causing a flood or other damage.
- [Gas Lines](https://www.americanweathermakers.com/plumbing-services/gas-lines/): Gas lines are used in many ways in homes in the Northbrook area. A gas line can be used to provide fuel to a water heater, a furnace, a stove, or a clothes dryer. It is important to have a gas line installed properly to ensure it will function efficiently. At American Weathermakers, our gas line experts can help you determine the best location for your gas line and install it according to the latest codes. We also provide comprehensive repair services for any leaking gas lines. 
- [Water Lines](https://www.americanweathermakers.com/plumbing-services/water-lines/): When your water line leaks, drips, or bursts, you can count on the team at American Weathermakers to provide a rapid solution. Our Northbrook water line experts are available 24 hours a day, 7 days a week to help you with all your water line needs. We also provide free estimates before we begin any project.  
- [Garbage Disposals](https://www.americanweathermakers.com/plumbing-services/garbage-disposals/): Living in Northbrook, you rely on a fully functional kitchen to keep your daily routine moving smoothly. Unfortunately, hard water mineral buildup and the daily wear and tear of family life can lead to frustrating issues like humming motors, persistent clogs, or under-sink leaks. When your garbage disposal fails, it can quickly turn meal prep and cleanup into a messy headache, requiring immediate professional attention to prevent water damage or further plumbing complications.
- [Tankless Water Heaters](https://www.americanweathermakers.com/plumbing-services/tankless-water-heaters/): In recent years, tankless water heaters have been gaining popularity. If you're interested in tankless water heater installation near you, American Weathermakers can help. We're a Northbrook-based company that's been providing homeowners with high-quality water heaters for many years.
- [Plumbing Services](https://www.americanweathermakers.com/plumbing-services/): If you need plumbing services in Northbrook or the surrounding areas, call American Weathermakers at (847) 509-2188 today – we offer emergency services, free estimates, and same-day appointments!
- [Furnace Maintenance](https://www.americanweathermakers.com/heating/furnace-maintenance/): At American Weathermakers, we know that your furnace, heat pump, or boiler shouldn’t be something you worry about. Nearly all equipment failures are the result of neglect. Furnaces, heat pumps, and boilers are no exception.
- [Boilers](https://www.americanweathermakers.com/heating/boilers/): When looking for a company to install or service your boiler, you want to ensure you hire a professional who can get the job done right the first time. At American Weathermakers, we have been servicing and installing boilers for customers in the Northbrook area for years. Our team is well-versed in boiler installation, repair, and maintenance and can handle any job of any size.
- [Heat Pumps](https://www.americanweathermakers.com/heating/heat-pumps/): American Weathermakers is proud to offer heat pump service, install and maintenance. Our experienced service technicians and installers are well-trained in the operation and troubleshooting of this equipment. A heat pump is not a complicated as it sounds; in fact, all heat pumps are air conditioners with some extra controls. Our customers have relied on our expertise to keep their air conditioners running for years with required maintenance services. The same can happen with your heat pumps.
- [Air Quality](https://www.americanweathermakers.com/air-conditioning/air-quality/): It is important to have a trusted expert install a high-quality air purification system to ensure that the air you are breathing is clean and safe. At American Weathermakers, we provide a wide range of air purification solutions to meet your unique needs and home health goals. 
- [Commercial HVAC Services](https://www.americanweathermakers.com/commercial-hvac-services/)
- [Commercial AC](https://www.americanweathermakers.com/commercial-hvac-services/commercial-ac/): American Weathermakers is a proud sister-company of Northern Weathermakers, we are committed to providing the best possible commercial HVAC services to our customers and we stand by our work. If you are looking for an HVAC company in Northbrook and the surrounding Chicagoland area, you can trust us to provide the best services at an affordable price.
- [Unico & SpacePak](https://www.americanweathermakers.com/air-conditioning/ductwork/unico-spacepak/): American Weathermakers has earned a reputation for offering top-of-the-line HVAC equipment to our residential customers. Our selection includes high-efficiency air conditioners from Unico and SpacePak that are built to last and provide maximum energy savings. Our knowledgeable team can help you select the right system for your home and budget, providing you with the comfort and energy savings you need. 
- [Ductwork Installation](https://www.americanweathermakers.com/air-conditioning/ductwork-installation/): Ducts are essential to keeping your home or business comfortable. They transport heated and cooled air throughout your property, keeping you and your family, employees, and guests happy no matter the season. When your ducts are old, leaking, or clogged, it's time to replace them. 
- [Duct Repair](https://www.americanweathermakers.com/air-conditioning/duct-repair/): If your air conditioner is blowing warm air, there may be a problem with your ducts. At American Weathermakers, we repair all types of ductwork. Our technicians have the knowledge and expertise to make your system run more efficiently and improve your indoor air quality. Duct repairs can also help you to reduce your energy bills.
- [Ductwork](https://www.americanweathermakers.com/air-conditioning/ductwork/): Ducts are essential to the functionality of your heating and cooling systems. If your ducts are leaking, dirty, or clogged, your HVAC system has to work harder to keep your home comfortable. At American Weathermakers, our expert technicians can help make your ducts work better for you. 
- [Ductless Mini-Split Systems](https://www.americanweathermakers.com/air-conditioning/ductless-mini-split-systems/): Ductless air conditioning systems are an excellent way to achieve the cooling power you need without the hassle of installing a new duct system. These units are compact and powerful and can be installed almost anywhere. At American Weathermakers, we offer a range of options from leading manufacturers, and we always strive to deliver exceptional value and service.
- [FAQ](https://www.americanweathermakers.com/about-us/comfort-club/faq/): Our Comfort Club Maintenance Program can help save you money, assures you peace of mind, and helps you avoid equipment problems in extreme weather. 
- [Schedule Plumbing Service](https://www.americanweathermakers.com/schedule-plumbing-service/): American Weathermakers proudly serves homeowners throughout the greater Chicagoland area. We provide 24-Hour emergency service, and offer Plumbing Installation, Repair, and Maintenance services. Whether you need standard plumbing repairs, maintenance, or a new fixture installed, American Weathermakers has the right solution for your needs. Our services are guaranteed, and you will be pleased with the results.
- [Rebates](https://www.americanweathermakers.com/about-us/rebates/): Chicagoland residents can save hundreds of dollars using rebates offered from utility companies like Peoples Gas, North Shore Gas, NICOR and ComEd. Below is a summary of what kind of rebates and discounts you can expect in 2023.
- [Heating & Cooling Service Technician](https://www.americanweathermakers.com/about-us/employment/heating-cooling-service-technician/): Job Type: Full-time
- [Glossary](https://www.americanweathermakers.com/about-us/glossary/): Glossary Glossary Browse Alphabetically: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Absolute Humidity The humidity of the air measured by the number of grains of water vapor present in one cubic meter of air. Absolute Pressure The total sum of gauge and atmospheric pressure (psia). Absolute Temperature The temperature measured on the Kelvin and Rankine scale, relative to absolute zero. Absolute Zero The lowest temperature theoretically attainable on the Fahrenheit scale, approximately −459.67° and on the Kelvin scale, approximately 273.16° C. Absorbent A substance that is able to absorb another substance. Absorption units Heat energy is absorbed from the medium being cooled and transferred in the refrigerant. An HVAC system that uses chemicals rather than refrigerant to either heat or cool (normally found in commercial units). Accumulator A shell-like device installed in the suction line of a HVAC system to prevent liquids (usually refrigerants) from entering the compressor during the off-cycle. Acrolein An agent added to methyl chloride to make you aware of refrigerant leaks. Activated Alumina A type of chemical, aluminum oxide that absorbs wetness (often used in refrigerant driers). Activated Carbon Known as the universal adsorbent, is a processed carbon used in filter driers and frequently used in air filters to clean the air. Adiabatic Expansion The expansion of a gas without the absorption of heat. AFUE AFUE (annual fuel utilization efficiency) is the ratio of yearly heat output of a furnace or boiler compared to the total yearly fossil fuel energy consumed by a furnace or boiler. The better the rating, the more efficient it is. Air Balance A process for HVAC system performance measurement, a term for distributing air through a system to precisely match the required amount. Air Cleaning HVAC services or tools that remove and control the accumulation of various airborne pollutants and gases from the inside air. Air Conditioner A common device in various forms that is used to control temperature and humidity of the inside air. Air Conditioning A means of controlling and regulating the quality, quantity and temperature of the air in an inside space. Air Diffuser Also known as an air distribution outlet, usually located in the ceiling, which mixes conditioned air with naturally regulated room air. Air Duct An air passage connected to an HVAC system, a duct that provides ventilation to a specified area Air Exchange Rate The rate at which outdoor air replaces indoor air, indoor pollutant levels can increase, expressed in one of two ways: the amount of changes of outside air per unit of time - air changes per hour (ACH); or the rate at which a volume of outside air enters per unit of time - cubic feet per minute (CFM). This rate is controlled through natural and/or mechanical ventilation. Air Filter A device for preventing dust, dirt, natural debris etc., from entering the air system of an internal combustion engine or entire HVAC unit. Air Handler or Air Handling Unit (AHU) A device used to condition and circulate air as part of an HVAC system, usually a fan-blower, heat transfer coil, and housing parts of a system. Air Handling Unit (AHU) In HVAC refers to equipment that includes a blower or fan, heating and/or cooling coils, and related equipment such as controls, condensate drain pans, and air filters. Does not include ductwork, registers or grilles, or boilers and chillers. Air Infiltration The unwanted entry of air due to a crack, leakage, temperature difference or wind. Air Passages Openings that permit air to move out of the conditioned spaces of the building through or within walls, through floors and ceilings, and around chimney flues and plumbing chases. Air Retarder/Barrier A structural element that inhibits air flow into and out of a building's envelope or shell. Common materials of this sheet are composed of polyethylene, polypropylene, or extruded polystyrene and is wrapped around the outside of a house or dwelling during construction to reduce air in-and exfiltration, yet allow water to easily diffuse through it. Air Standard HVAC term for having an air temperature of 68 degrees F/20 degrees C and a relative humidity of 36% at 14.7 psia. Air to Air A situation in which both the condensing and evaporating mediums are air. Air Vent HVAC term for a valve, either manual or automatic, that is used to remove unwanted air from the highest point of a piping system. Alcohol Brine Water and alcohol solution witch remains a liquid below 32 degrees F. Allergen A natural or artificial substance capable of causing an allergic reaction because of an individual's sensitivity to that substance. Ambient Air The air external to a building or device. Attic Fan A fan set up on an attic wall used to expel warm attic air to the outside. Attic Vent A passive or mechanical device used to air out an attic space, mainly to reduce heat buildup and moisture condensation. Available Heat The amount of usable heat energy that may be converted into functional energy from a fuel source. B Blower In HVAC terms, the apparatus in an air conditioner that distributes the filtered air from the return duct over the coil/heat exchanger. Boiler A unit, vessel or tank where heat is produced from the combustion of fuels such as natural gas, fuel oil, or coal is used to make hot water or steam for such as building space heating to electric power production or industrial process heat. Boiler Pressure The pressure from steam or water in a boiler as measured, generally expressed in pounds per square inch gauge (psig). Boiler Rating The heating capacity of a steam boiler expressed in BTU per hour (BTU/H) or pounds of steam per hour. Bottled Gas A general term for liquefied and pressurized gas, customarily butane, propane, or a mixture of the two, contained in a cylinder (for domestic use.) Breathing Zone An area of a room or living space in which occupants breathe as they stand, sit, or lie down. British Thermal Unit (BTU) The amount of heat necessary to increase the temperature of one pound of water one degree Fahrenheit, equal to 252 calories. Building Envelope Construction elements of a building, including all external materials, windows, and walls, that enclose the inside space or living area. Building Related Illness (BRI) Occurs when the symptoms of a diagnosable illness are identified and can be attributed directly to building contaminants, usually airborne elements. Burner Capacity The highest heat output (in BTU per hour) released by a burner with a steady flame and satisfactory combustion. C Capacitor A device that stores electrical charges in an HVAC system. There are two types of capacitor: run capacitor and start capacitor. Carbon Dioxide (CO2) A colorless, odorless gas with the abbreviation CO2 that is present in the atmosphere. It is formed when carbon and carbon compounds combust (such as fossil fuels and biomass), by respiration, which is a slow combustion in animals and plants, and by the gradual oxidation of organic matter in the soil. Carbon Monoxide (CO) A colorless, odorless but poisonous combustible gas with the formula CO. It’s commonly called ‘the silent killer’ due to its lethal tendencies. Central Air Conditioning Air conditioner that goes through a central unit instead of small portable units. Central Air Handling Unit (Central AHU) This is the same meaning as an Air Handling Unit (see above), but serves more than one cooling area. Central Heating System A HVAC set up that supplies heat to areas of a building from a single piece of equipment through a system of ducts or pipes. Chimney Effect The inclination for heated air or gas to ascend in a duct or other up and down passage, such as in a chimney, small enclosed space, or building, due to its lower density compared to the surrounding air or gas. Combination Foundations Buildings and dwellings that are constructed with more than one foundation type; e.g., basement/crawlspace or basement/slab-on-grade. Combustion The chemical process of burning; the oxidation of a material by applying heat, which unites oxygen with a material or fuel. Combustion Chamber Any complete or partially enclosed space in which combustion (burning of fuel) takes place. Combustion Gases The gas byproducts of the combustion of a fuel, result of combustion. Compressor A mechanism used to compress air for mechanical or electrical power production. Found in air conditioners, heat pumps, and refrigerators to pressurize the refrigerant and enabling it to flow through the HVAC system. Condenser The device in an HVAC system in which the refrigerant condenses from a gas to a liquid when it is depressurized or cooled. Condenser Coil Is a heat exchanger and can come in different forms depending on the HVAC system. Conditioned Air Air that has been treated with an HVAC system: heated, cooled, humidified, or dehumidified to maintain an inside space within the desired comfort zone. Conditioned Space The inside space of a building that is heated or cooled by an HVAC system. Constant Air Volume Systems An air handling system that provides a steady air flow while varying the temperature to meet heating and cooling needs. Control Panel Area on an HVAC system that controls the instruments and preferences of the user. Cooling Capacity The measure of the amount of heat that a cooling appliance is able to remove from a room in one hour. Cooling Degree Day An assessment used to approximate inside air cooling requirements (load) calculated as the number of degrees per day (over a specified period) that the daily average temperature is above 65 degrees Fahrenheit (or some other, specified base temperature). D Dampers HVAC term for controls that manipulate the airflow through an air outlet, vent, inlet, or air duct. A damper position may vary: immovable, manually adjustable or part of an automated control system. Dehumidifier A machine for minimizing the level of humidity in a room, home or dwelling. Demand (tankless) Water Heater A type of water heater that has no storage tank, therefore eliminating storage tank stand-by losses. Diffusers and Grilles Components of the ventilation system that allocate and return air to promote good air circulation in the occupied space. Direct Water Heater A kind of water heater in which heated water is housed within the tank. Hot water is released from the top of the tank when a hot water faucet is turned. This water is returned with cold water that flows into the tank and down to just above the bottom plate under which are the burners to warm it for later use. Draft A source of energy from burning combustion gases that are so hot and strong that the heat is lost up the chimney before it can heat a dwelling. Draft Diverter A door-like mechanism located at the mouth of a fireplace chimney flue for managing the direction and flow of the draft in the fireplace as well as the amount of oxygen that the fire receives. Draft Hood A device constructed into or installed above a combustion machine to assure the release of combustion byproducts, to prevent back-drafting of the appliance, or to neutralize the effects of the stack action of the chimney or vent on the operation of the appliance. Dual Duct System An air conditioning system that has two ducts, one is heated and the other is cooled, so that air of the correct temperature is provided by mixing varying amounts of air from each duct. Duct Fan An HVAC term for an axial flow fan mounted in a section of ductwork to transport conditioned air from one place to another. Duct(s) Tubes usually constructed of sheet metal, fiberglass board, or a flexible plastic-and-wire composite, and generally located within a wall, floor, and ceiling that distributes heated or cooled air in buildings. E Environmental Tobacco Smoke (ETS) The mixture of smoke from a cigarette, pipe, or cigar and smoke exhaled by the smoker (also secondhand smoke (SHS) or passive smoking) that others can inhale. Exhaust Ventilation An HVAC term for the mechanical removal of air from a certain portion of a building. F Filter (air) A device that removes contaminants, by motorized filtration, from the fresh air stream before the air enters the living environment. Filters vary greatly and can be installed as part of an HVAC system through which air flows for the point of removing particulates before or after the air enters the mechanical components. Fireplace Insert A wood or gas burning heating accessory that is installed into the opening to the hearth of a conventional fireplace. Flue The structure (in a residential heating appliance, industrial furnace, or power plant) into which combustion gases flow out/up and are contained until they are emitted to the atmosphere outside the building. Flue Gas The gas that occurs from the combustion of a fuel that is emitted to the flue. Forced Air System or Furnace An HVAC term for a category of heating system in which heated air is blown by a fan through air channels or ducts into interior living or working spaces. Fuel Oil Any liquid petroleum product burned for the creation of heat in a furnace or firebox, or for the generation of power in an engine unit. Domestic (residential) heating fuels are classed as Nos. 1, 2 and 3; industrial fuels as Nos. 4, 5 and 6. Fungi Any of a group of parasitic plants that lack chlorophyll, including common molds and mildews. Furnace (Residential) A combustion heating unit in which heat is retained from the burning of a fuel for allotment, comprised mainly of a combustion chamber and heat exchanger. G Geothermal Heat Pump A ground-source heat pump that uses the natural heat found in the earth and/or the earth’s groundwater to provide heating, cooling and hot water for homes and businesses. H Heat Loss The heat energy that flows from the inside of a building or dwelling, through the walls and roof of the building (building envelop) to the outside atmosphere. Heat Rate A measurement of heat efficiency; the ratio of fuel energy input as heat per unit of net work output, generally expressed as BTU per net kilowatt-hour. Heat Register The grilled-like opening into a room or living space by which the amount of heated air from a furnace can be managed, directed or controlled; this may also include a damper. Heating Capacity The amount of heat needed to raise the temperature of a specific mass of a substance by one degree. Heating Degree Day(s) (HDD) The amount of degrees per day that the daily average temperature (the mean of the maximum and minimum recorded temperatures) is below a base temperature, usually 65 degrees Fahrenheit, unless otherwise specified by who is conducting the rating; mainly used to establish indoor space heating needs and heating system sizing. The higher the HDD for a specific location, the colder the daily average temperature(s). Heating Load The rate of heat flow necessary to uphold a specific indoor temperature; usually measured in BTU per hour. HEPA High efficiency particulate arrestance or air (filters). Refers to a filter that is manufactured, tested and certified to meet Institute of Environmental Sciences and Technology (IEST) standards, HEPA filters are normally made for applications where microscopic airborne particles or pollutants could cause health issues for people or product quality troubles. Home Energy Rating Systems (HERS) A nationally known energy-rating program that provides builders, mortgage lenders, secondary lending markets, homeowners, sellers, and buyers an exact evaluation of energy-losing shortages in homes. They can use this system to estimate the energy value in their home and also have a star rating on their home to compare to other similarly built homes in the area. Hot Air Furnace A heating system where heat energy is distributed by means of convection or fans. Humidifier An appliance for escalating the humidity in a room or home. Humidity A measure of the moisture content of air. It may be expressed in the following ways: absolute, mixing ratio, saturation deficit, relative, or specific. HVAC HVAC is an acronym for heating, ventilation, and air-conditioning. I IAP Indoor air pollution. IAQ Indoor air quality. Ignition Point The minimum temperature (Fahrenheit, Celsius) at which combustion of a solid or fluid can take place. Indoor Air The air the people breathe inside a constructed environment. Indoor Air Pollutant Anything that interferes with clear air: particles of dust, fibers, mists, bioaerosols, and gases or vapors. Infiltration Air leakage inward through any kind of crack and through ceilings, floors, and walls of a space or building. Inhalable Any kind of particle that is small enough to be inhaled, but big enough so that they are not quickly exhaled. Integrated Heating Systems An HVAC term for a kind of heating machine that performs more than one function. K Kerosene A kind of heating fuel derived by refining crude oil that has a boiling range at atmospheric pressure from 400 degrees to 550 degrees Fahrenheit. M Manufacturers’ Minimum Standards The standards set by manufacturers, in this case HVAC manufacturers, which specify for dealers, maintenance representatives and buyers the minimum levels of certain variables for a particular system. Usually to ensure that it is operating and maintained well after purchase. Mechanically Ventilated Crawlspace System An HVAC system constructed to increase ventilation within a crawlspace, attain higher air pressure in the crawlspace relative to air pressure in the soil beneath the crawlspace, or get lower air pressure in the crawlspace relative to air pressure in the living spaces, by use of a fan system. MERV Rating Minimum Efficiency Rating Value. An industry-standard rating system for air filters that makes it easier to compare different filters from different manufactures for various HVAC needs. A MERV rating goes from 1 to 16, 16 being the highest-rated efficiency. N Natural Ventilation Known as the movement of outside air into a space via intentionally designed and constructed openings, such as windows and doors, or through non-powered ventilators. Negative Pressure A condition that occurs when less air is supplied to a space than is exhausted from the same space, so the air pressure within that space is less than that in the surrounding areas. Under this condition, if an opening exists, air will flow from surrounding areas into the negatively pressurized space to equalize pressure. Opposite of Positive Pressure. O Outdoor Air External air, not previously circulated through an indoor HVAC system. P Positive Pressure A condition that occurs when more air is supplied to a space than is exhausted, so the air pressure within that space is greater than that in surrounding areas. Under this condition, if an opening is made, air will flow from the positively pressurized space will move into the surrounding areas to equalize pressure. Opposite of Negative Pressure. Preventative Maintenance Habitual, regular and systematic cleaning, inspection and replacement of malfunctioning and old parts, materials, and operational pieces. Programmable Thermostat A type of thermostat that allows the user to program into the devices' memory a pre-set schedule of times (when certain temperatures occur) to turn on HVAC equipment. Propane A hydrocarbon gas occurring in crude oil, natural gas, and refinery cracking gas used as a fuel, a solvent, and a refrigerant. R R-Value A gauge of the capacity of a material to resist heat transfer; the larger the R-Value of a material, the greater its insulating properties. Radiant Barrier A thin, reflective foil sheet that exhibits low radiant energy transmission and under some kinds of conditions can restrict radiant heat transfer; usually installed in attics to reduce heat flow through a roof assembly into the living space. Radiant Ceiling Panels Ceiling panels that have electric resistance heating elements implanted within them to supply radiant heat to a room. Radiant Energy Energy that transmits away from its source in all directions within a dwelling space. Radiant Floor A type of radiant heating system where the floor contains channels, vents or tubes through which heated substances are circulated. The whole floor is evenly heated so the room warms from the bottom up. Radiant Heat Transfer Radiant heat transfer happens when there is a substantial difference between the temperatures of two surfaces that are exposed to each other, but are not actually touching. Radiant Heating System An HVAC term for a heating system where heat is radiated into a room by means of heated surfaces, such as electric resistance elements, hot water radiators. Radiator A room heat delivery (or exchanger) part of a hydronic (hot water or steam) heating system; hot water or steam is channeled to the radiator it by natural convection or by a pump from a boiler. Radiator Vent A device that releases pressure from a radiator when the pressure inside exceeds the operating limits of the vent. Re-entry An air circulation situation that happens when air being exhausted from a building is immediately brought back into the system through the air intake and other openings in the building envelope, usually unintentional. Recirculated Air Air that is removed from the conditioned, interior space and used for ventilation, heating, cooling, humidification, or dehumidification. Refrigerant A compound fluid used in air conditioners, heat pumps, and refrigerators to shift heat into or out of an interior space. Refrigeration Capacity A measure of the useful cooling capacity of a refrigerator, expressed in BTU per hour or in tons, where one ton of capacity is that of the heat required to melt 2,000 pounds of ice in 24 hours or 12,000 BTU per hour. Relative Humidity A measure of the percent of moisture truly in the air compared with what would be in the air if it were fully saturated at that temperature. When the air is fully saturated, its relative humidity is 100 percent. Return Air Air that is returned to a heating or cooling device from a heated or cooled space. S Seasonal Energy Efficiency Ratio (SEER) A measure of seasonal or annual efficiency of a central air conditioner or air conditioning heat pump. It takes into account the variations in temperature that can occur within a season and is the average number of Btu of cooling delivered for every watt-hour of electricity used by the heat pump over a cooling season. Read more about it here. Setback Thermostat A thermostat that can be set to automatically lower temperatures in an unused or uninhabited house or dwelling and go up again before the occupants returns, minimizing energy waste. Sick Building Syndrome (SBS) Describe situations in which building occupants, such as workers, tenants or anyone who spends a significant amount of time in one place, experience health problems that appear to be linked to a building, but no specific illness or cause can be identified. Space Heater A portable or sometimes fixed heater used to warm individual rooms or spaces. Split System Air Conditioner An HVAC term for an AC system that is made up of two to five parts: one piece contains the compressor, condenser, and a fan; the other pieces have an evaporator and a fan. The condenser, installed outside the house, connects to several evaporators, one in each room to be cooled, mounted inside the dwelling. Each evaporator is individually controlled, allowing different rooms or zones to be cooled or heated to varying degrees. Stack A smokestack or flue for expelling the products of combustion from a combustion unit. Stand-by Heat Losses A term used to explain heat energy lost from a water heater tank. Static Pressure A condition that happens when an equal amount of air is supplied to and exhausted from a specific space. Equilibrium has been reached at static pressure. Steam Boiler A kind of furnace in which a fuel source is burned and the heat is used to produce steam. Storage Water Heater A water heater that releases hot water from the top of a tank when a hot water tap is opened. To restore that hot water, cold water will enters the bottom of the tank to create a full tank. Sump Pump A pump used to remove water that has accumulated in a water collecting sump basin, such as basement and other low-level, indoor spaces. Supply Duct An HVAC term for the duct(s) of a forced air heating/cooling system through which heated or cooled air is supplied to individual rooms by a fan of the central heating or cooling unit. T Tankless Water Heater A water heater that heats water before it is directly dispersed for end use as needed; on-demand water heater. Temperature Zones When individual rooms or zones in a building or dwelling has temperatures controlled separately from other rooms or zones. Therm A unit of heat containing 100,000 British thermal units (BTU). Thermocouple A sensor for measuring temperature, consisting of two dissimilar metals, joined together at one end. When the junction of the two metals is heated or cooled, a voltage is produced that can be correlated back to the temperature. V Variable Air Volume System (VAV) An air handling system that conditions the air to a constant temperature and varies the outside airflow to ensure thermal comfort. Vent A component of a heating or ventilation system used to conduct fresh air into, or waste air or combustion gases out of, an appliance or interior space. Sizes and shapes vary. Vent Damper HVAC term for a part mounted in the vent connector that opens and closes the vent when the heating unit is not firing or a person wishes to open a vent. Vent Pipe A tube in which combustion gases from a combustion unit are vented out of the appliance to the outdoors. Vented Heater A type of combustion heating device in which the combustion gases are directed outside, either with a fan (forced) or by natural convection. Ventilation The method of moving air (changing) into and out of an inside space either by natural or mechanically induced (forced) means. Ventilation Air Known as the total that is being re-circulated within the building. Sometimes, however, used in reference only to the air brought into the system from the outdoors; this document defines this air as "outdoor air ventilation." Ventilation Rate The rate at which indoor air enters and leaves a building. Expressed in one of two ways: the number of changes of outdoor air per unit of time (air changes per hour, or "ach") or the rate at which a volume of outdoor air enters per unit of time (cubic feet per minute, or "cfm"). W Weatherization In HVAC caulking and weatherstripping to reduce air infiltration and exfiltration into/out of a building. Weatherstripping A material used to close gaps and air leaks around windows and exterior doors. Z Zone In HVAC an area within the interior space of a building, such as an individual room(s), to be cooled, heated, or ventilated. A zone has its own thermostat to control the flow of conditioned air into the space. Zoning The combination of rooms in a building or dwelling according to similar heating and cooling patterns to maximize energy. Zoning uses more than one thermostat to control heating, cooling, and ventilation equipment.
- [Customer Service Representatives](https://www.americanweathermakers.com/about-us/employment/customer-service-representatives/): We are searching for customer-service representatives who are capable of working in a fast-paced environment, use strong communications skills and are willing to take initiative to help solve problems. The successful candidates will be responsible for responding to customer emails and requests that arrive at our help desk, resolving customer issues as well as answering questions regarding products and services. Our ideal candidates are customer-service oriented, in tune with changing trends and able to make quick decisions.
- [Leave Us a Review](https://www.americanweathermakers.com/about-us/reviews/leave-a-review/): Thank you for choosing American Weathermakers for your HVAC and Plumbing needs! Positive reviews from loyal customers like you can help others in the Chicagoland area feel confident about choosing American Weathermakers. Your input enables us to continue providing the best experience possible for our customers, and helps others understand how we can help them in the future. If you can spare a few minutes to leave us a review, we would be grateful! 
- [Factory Refresh Program](https://www.americanweathermakers.com/factory-refresh-program/): https://americanweathermakers.com/wp-content/uploads/2025/11/AWMRefresh.mp4
- [Employment](https://www.americanweathermakers.com/about-us/employment/): American Weathermakers is currently accepting resumes for HVAC service technicians, installers, and licensed journeyman plumbers and master plumbers.
- [Coupons](https://www.americanweathermakers.com/about-us/coupons/): American Weathermakers offers special coupons for HVAC & plumbing services throughout the year. But for everyday discounts, our Comfort Club provides even more chances to save.
- [Financing Options](https://www.americanweathermakers.com/about-us/financing-options/): If you are interested in choosing a financing plan that suits your needs, review what the Synchrony Financing application process will typically look like.  
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- [Emergency Pluming Services](https://www.americanweathermakers.com/plumbing-services-old-delete/emergency-pluming/)
- [Emergency Heating Service](https://www.americanweathermakers.com/emergency-hvac-service/): When the temperature drops or rises unexpectedly, you can count on American Weathermakers to provide fast, reliable, and affordable emergency HVAC services in Chicago, IL and the North Shore. We are available 24 hours a day, 7 days a week, 365 days a year to ensure your comfort is never compromised. Our licensed and insured technicians are committed to providing the highest quality service and keeping your family comfortable.
- [Pay Bill](https://www.americanweathermakers.com/about-us/pay-bill/): American Weathermakers offers a full line of products that can be delivered right to your home.
- [Comfort Club](https://www.americanweathermakers.com/about-us/comfort-club/): Everyone wants peace of mind and pay as little as possible for HVAC & Plumbing services. Our "Comfort Club" plan give our members these perks.
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- [Referral Program](https://www.americanweathermakers.com/about-us/referral-program/): American Weathermakers offers a referral program to reward our customers for introducing their friends, family, and neighbors to our company. If you have been pleased with the work we have done for you, we would like to extend the opportunity to receive a reward for referring a friend to us. We consider our customers' recommendations and referrals as our best form of advertising.
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- [About Us](https://www.americanweathermakers.com/about-us/): Finding a home service provider you can truly trust is as simple as turning to American Weathermakers. As a proud family-owned business, American Weathermakers understands the importance of a smooth-running and comfortable home. That’s why our team is committed to always going above and beyond to deliver the most reliable and affordable heating, cooling, and plumbing solutions. Our licensed and insured technicians service and install a wide range of systems and take pride in being the most thorough, trained, and technologically advanced team of HVAC and plumbing professionals.
- [Areas We serve](https://www.americanweathermakers.com/areas-we-serve/): When it comes to heating and air conditioning in the Chicagoland area, American Weathermakers is the name to remember. We are an employee-owned and operated business that has been serving the community for more than 70 years. All of our HVAC technicians are certified, trained, and experienced in providing a variety of services for your heating and air conditioning equipment.
- [Gas Lines](https://www.americanweathermakers.com/plumbing-services-old-delete/gas-lines/)
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- [Sump Pumps](https://www.americanweathermakers.com/plumbing-services/sump-pumps/): Sump pumps are an essential part of any home's foundation, keeping water out of the basement and keeping your home safe. If your sump pump is malfunctioning, you need a reliable and experienced sump pump specialist to help you. At American Weathermakers, we provide comprehensive sump pump services in Northbrook and surrounding communities. 
- [Water Heaters](https://www.americanweathermakers.com/plumbing-services/water-heaters/): A malfunctioning water heater can quickly disrupt your home. At American Weathermakers, we provide fast, reliable water heater repairs in Northbrook and the surrounding suburbs of northern Chicago, backed by more than 75 years of trusted experience. With same-day availability and 24/7 emergency service, you can count on us to restore hot water quickly and professionally.
- [Dehumidifiers](https://www.americanweathermakers.com/air-quality/dehumidifiers/): Dampness in your home can cause mold, mildew, and rot, which can lead to health problems, structural damage, and a musty smell in your home. If you want to keep your home dry and comfortable, American Weathermakers offers a variety of dehumidifiers.
- [Humidifiers](https://www.americanweathermakers.com/air-quality/humidifiers/): Humidifiers balance your home's humidity to help improve sleep and dry skin, enhance productivity, and keep you protected against airborne viruses. Additionally, Humidifiers help preserve your home and any contents susceptible to cracking and warping due to low humidity levels. While balanced humidity exists between 40 and 60%, it's important to remember that outdoor temperature and other home factors will impact what relative humidity level is attainable and recommended for your house.
- [Air Balancing](https://www.americanweathermakers.com/air-quality/air-balancing/): Air balancing is the process of ensuring that the amount of air flowing through each duct is equal. When the air pressure is equal across all ducts, the system operates more efficiently and the indoor air quality is improved.
- [Air Filtration](https://www.americanweathermakers.com/air-quality/air-filtration/): Ensuring clean, healthy air in your Northbrook, IL home is crucial for your family's well-being. With increasing concerns about indoor air quality, having a reliable air filtration system is more important than ever. Our services are designed to address these needs, providing you with peace of mind and a healthier living environment.
- [Air Quality](https://www.americanweathermakers.com/air-quality/): Our Northbrook air quality experts are highly trained and skilled, and have been serving the Chicagoland area since 1949. Our services are completely focused on helping to improve your home's air quality or detecting potential HVAC issues that might have negative health impacts.
- [Heater Maintenance](https://www.americanweathermakers.com/heating/heater-maintenance/): Northbrook, IL, is a charming village known for its lush parks, high-quality schools, and a strong sense of community. With its picturesque landscapes and vibrant local events, Northbrook offers a welcoming environment for families and businesses alike. However, the cold winters here make it crucial to have a reliable heating system to keep your home warm and comfortable. Regular heater maintenance is essential to ensure your system operates efficiently and effectively throughout the season.
- [Heater Installation & Replacement](https://www.americanweathermakers.com/heating/heater-installation-replacement/): If your heater is starting to wear out, you can rely on the professionals at American Weathermakers to install a new one that is designed to meet your needs. We are proud to uphold a reputation for quality workmanship and top-tier customer service. Our technicians have extensive knowledge of the latest heating technology.
- [Heater Repair](https://www.americanweathermakers.com/heating/heater-repair/): Waiting until business hours to fix your heating system is never ideal. If your heater isn't working, you can't wait until the next business day to get it fixed. At American Weathermakers, we understand that you need your heating system fixed immediately. We are available 24 hours a day, seven days a week to help you.
- [Heating](https://www.americanweathermakers.com/heating/): If you are a homeowner looking for reliable furnace service Northbrook residents trust, our team is ready to handle your needs. We work with a wide variety of heating systems and keep up to date with Northbrook's changing climate demands, so your home stays cozy through frigid winters. As part of our customer-focused approach, we make sure your furnace and other equipment are maintained properly to help you avoid costly repairs down the line.
- [AC Maintenance](https://www.americanweathermakers.com/air-conditioning/ac-maintenance/): Keeping your air conditioning system in top shape is essential for comfort in Northbrook and the surrounding suburbs, where summers can be hot and humid. Regular air conditioning maintenance ensures your AC runs efficiently, preventing unexpected breakdowns and costly repairs. Regular check-ups also help maintain indoor air quality, as clean filters and ducts prevent contaminants from circulating through your home.
- [AC Installation & Replacement](https://www.americanweathermakers.com/air-conditioning/ac-installation-replacement/): The team at American Weathermakers prides itself on our ability to provide high-quality air conditioner installation and replacement services in Northbrook & the surrounding area. We provide free estimates, financing plans, same-day appointments, and warranties for our customers' convenience. Our team members are highly trained in handling all types of AC units from the most popular brands on the market.
- [AC Repair](https://www.americanweathermakers.com/air-conditioning/ac-repair/): If your air conditioner isn't working properly, American Weathermakers is here to assist. We are a family-owned and operated business that has been delivering professional AC repair in Northbrook and the surrounding area for many years.
- [Air Conditioning](https://www.americanweathermakers.com/air-conditioning/): As the temperatures rise, you may be looking for a way to keep your home or business cool for the summer. If your air conditioning system is showing signs of wear and tear, you need to get it repaired or replaced by the licensed and insured AC technicians at American Weathermakers. We offer AC repair, replacement, and maintenance services in Northbrook and the surrounding areas for all makes and models of equipment.
- [Home](https://www.americanweathermakers.com/): American Weathermakers is an employee-owned HVAC & Plumbing business that has been serving residential customers in Northbrook, IL, and Chicago's North Shore since 1949.
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