At Droegkamp Furnace Company, Inc. customer satisfaction is our number one priority. Please contact us for all of your HVAC needs, no matter how big or small. 18 employees. Uses subs for electrical work. 24 hour service. Free estimates. Financing available. Sorry we do not work on oil furnaces or boilers. Also we are not a plumbing contractor.
"Went great"
Jessica F on July 2022
At Droegkamp Furnace Company, Inc. customer satisfaction is our number one priority. Please contact us for all of your HVAC needs, no matter how big or small. 18 employees. Uses subs for electrical work. 24 hour service. Free estimates. Financing available. Sorry we do not work on oil furnaces or boilers. Also we are not a plumbing contractor.
Burant Heating & Air Conditioning is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Robert was great at getting my boiler to fire up! He found a wire that was disconnected & capped. I think that this was done, when 1 of the other pros you have listed cleaned the boiler 3 months ago. Robert connected the wire and the boiler started!"
Grail C on December 2025
Burant Heating & Air Conditioning is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Robert was great at getting my boiler to fire up! He found a wire that was disconnected & capped. I think that this was done, when 1 of the other pros you have listed cleaned the boiler 3 months ago. Robert connected the wire and the boiler started!"
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Very helpful and informative, helped instruct on filter changing of humidifier as well."
Mary K on February 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Very helpful and informative, helped instruct on filter changing of humidifier as well."
Kettle Moraine Heating & Air Conditioning, LLC is a third-generation family-owned business that has been serving Southeastern Wisconsin for over 35 years. Our mission is to provide our customers with peace of mind and 5-star service. We specialize in air conditioning, furnaces, boilers, ductless mini-splits, solar, backup generators, radon mitigation, plumbing and electrical services. Additionally, we are the region’s premier installer of Lennox energy-efficient heating and cooling systems and Mitsubishi ductless mini-split systems. With an unwavering commitment to our customers, you can count on us to deliver the personalized care you deserve. • 24/7 Emergency Service • Tune-Ups/Maintenance Plans • 0% Financing
"This company is amazing! I would recommend them 10times over. The job was gone quickly and with such precision. They care about their customers and will go to lengths that most companies, nowadays, have forgotten. The owner himself is not afraid to work hard and do what needs to be done. Sherry was beyond helpful and supportive throughout the process. If you want the job done right, this is your company."
Nichole S on November 2022
Kettle Moraine Heating & Air Conditioning, LLC is a third-generation family-owned business that has been serving Southeastern Wisconsin for over 35 years. Our mission is to provide our customers with peace of mind and 5-star service. We specialize in air conditioning, furnaces, boilers, ductless mini-splits, solar, backup generators, radon mitigation, plumbing and electrical services. Additionally, we are the region’s premier installer of Lennox energy-efficient heating and cooling systems and Mitsubishi ductless mini-split systems. With an unwavering commitment to our customers, you can count on us to deliver the personalized care you deserve. • 24/7 Emergency Service • Tune-Ups/Maintenance Plans • 0% Financing
"This company is amazing! I would recommend them 10times over. The job was gone quickly and with such precision. They care about their customers and will go to lengths that most companies, nowadays, have forgotten. The owner himself is not afraid to work hard and do what needs to be done. Sherry was beyond helpful and supportive throughout the process. If you want the job done right, this is your company."
Welcome to ThermaTek Heating and Air. We are excited to exceed your expectations! As industry professionals, we will handle all your needs with the high-quality expertise and attention to detail your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us today for your free estimate!
"Jeremy explained completely why my current furnace should be replaced."
Bill L on December 2025
Welcome to ThermaTek Heating and Air. We are excited to exceed your expectations! As industry professionals, we will handle all your needs with the high-quality expertise and attention to detail your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us today for your free estimate!
"Jeremy explained completely why my current furnace should be replaced."
Here, at Napravnik Construction, LLC, we have expanded our business service area from the Chicago Western Suburbs North to Milwaukee metro area and pride ourselves with reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!
"Charles was on time and very respectful of our home. He did a great job and even though there was a hiccup where he had to run to Home Depot (due to a prior issue from a different handyman) he did not ask for anything except payment for the additional parts at cost. I would and will hire them going forward!! "
Michael H on December 2025
Here, at Napravnik Construction, LLC, we have expanded our business service area from the Chicago Western Suburbs North to Milwaukee metro area and pride ourselves with reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!
"Charles was on time and very respectful of our home. He did a great job and even though there was a hiccup where he had to run to Home Depot (due to a prior issue from a different handyman) he did not ask for anything except payment for the additional parts at cost. I would and will hire them going forward!! "
At Guardian Heating and Cooling, LLC we offer a full range of heating and cooling installations, all under one roof. Including, Furnace, A/C, Boilers, Hydronic Systems, Snow Melt Driveways and Walkways. We offer you, our valued customers, expertise and genuine care. We value you as a customer and want to prove to you our skill, integrity, and compassion as a heating and cooling service provider. If you you’re operating an inefficient heating or cooling system that breaks down a lot, it’s likely that it’s going to break down again. Let us help you select the best Heating and Air Conditioning solution for your home. We are dedicated to getting the job done right at the lowest possible price. Best Regards, Guardian Heating and Cooling LLC
"He was very knowledgeable. Shared information on costs and explained process very clearly."
Mary K on May 2021
At Guardian Heating and Cooling, LLC we offer a full range of heating and cooling installations, all under one roof. Including, Furnace, A/C, Boilers, Hydronic Systems, Snow Melt Driveways and Walkways. We offer you, our valued customers, expertise and genuine care. We value you as a customer and want to prove to you our skill, integrity, and compassion as a heating and cooling service provider. If you you’re operating an inefficient heating or cooling system that breaks down a lot, it’s likely that it’s going to break down again. Let us help you select the best Heating and Air Conditioning solution for your home. We are dedicated to getting the job done right at the lowest possible price. Best Regards, Guardian Heating and Cooling LLC
"He was very knowledgeable. Shared information on costs and explained process very clearly."
JB Mechanical, LLC, is your premier choice for all of your HVAC needs in Beaver Dam, Wisconsin and surrounding areas. No project is too big or too small, so call today and let us put our experience to work for you!
"Prompt service, courteous technucians"
Sandra G on March 2023
JB Mechanical, LLC, is your premier choice for all of your HVAC needs in Beaver Dam, Wisconsin and surrounding areas. No project is too big or too small, so call today and let us put our experience to work for you!
We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"Can't say enough about how good Josh and his company is. He gave me an estimate on a heat exchanger for my furnance and a complete system replacement. We went with the heat exchanger replacement. He came out and diagnosed a bad thermostat too for no charge, which he allowed me to replace which saved me some money. The estimate included the furnance tune-up and heat exchanger replacement. The estimate is what I ended up paying. Very nice, honest guy!"
Dale S on November 2021
We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"Can't say enough about how good Josh and his company is. He gave me an estimate on a heat exchanger for my furnance and a complete system replacement. We went with the heat exchanger replacement. He came out and diagnosed a bad thermostat too for no charge, which he allowed me to replace which saved me some money. The estimate included the furnance tune-up and heat exchanger replacement. The estimate is what I ended up paying. Very nice, honest guy!"
Our team at One Hour Heating & Air Conditioning is proud to be recognized in Southeastern Wisconsin for our excellent customer service and high-quality work. We've developed strong relationships with our customers because we put their needs first. Whether you need to repair your air conditioner, improve the air quality in your home, install a new heater, we are here to help. We provide more than promises to our customers'we back up our work with a 100% satisfaction guarantee. If you contact our team, you can trust that we will get the job done right the first time.
"Submitted request at 8am. They were out working by 9am and the job was completed by 10:30. Haylee was kind and professional. Will be coming back if I need anything else. "
Paris L on August 2025
Our team at One Hour Heating & Air Conditioning is proud to be recognized in Southeastern Wisconsin for our excellent customer service and high-quality work. We've developed strong relationships with our customers because we put their needs first. Whether you need to repair your air conditioner, improve the air quality in your home, install a new heater, we are here to help. We provide more than promises to our customers'we back up our work with a 100% satisfaction guarantee. If you contact our team, you can trust that we will get the job done right the first time.
"Submitted request at 8am. They were out working by 9am and the job was completed by 10:30. Haylee was kind and professional. Will be coming back if I need anything else. "
Paris L on August 2025
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Heating and Air Conditioning questions, answered by experts
If your home has an existing forced-air heat system, you can add a central air conditioner to it. An HVAC technician can retrofit your forced-air heating system by installing an evaporator coil onto the furnace plenum, the box next to the furnace that draws in air. Once installed, the air conditioning coils use the furnace’s blower to circulate the air.
While it is possible to add Freon to your AC unit yourself, it is not recommended. In fact, the U.S. Environmental Protection Agency (EPA) prohibits the handling of Freon without a license. Freon is a dangerous gas that can cause irreversible damage to your AC or yourself if not installed correctly. It is worthwhile to hire a professional to add Freon to your AC.
A frosty expansion valve that isn't blowing out cool air is a sure sign that it’s time to replace it. It might also be time to replace the TXV valve if your AC unit switches off soon after turning on or if you have poor airflow in your home.
If the air coming from your AC unit is cool but never quite cold, there are a few reasons this might be happening. For starters, it could signal that your refrigerant levels are low. If there are no other indications of this particular issue, like hissing noises or frozen refrigerant lines, anything from dirty filters to damaged condenser or evaporator coils could be responsible for the problem.
While most air conditioners can last between 10 and 20 years, they will only last this long (or longer) if properly taken care of. Routine maintenance and inspections help keep your AC unit running in tip-top shape but understanding what factors will decrease its lifespan will also help keep your unit running cool.
Some things that shorten your AC’s lifespan include:
Extreme outdoor conditions, like high humidity or extensive salt spray
Improper installation
Extended run times, either by the unit being too small or the thermostat setting too low
Not performing required maintenance
The Brookfield, WI homeowners’ guide to heating and air conditioning services
From average costs to expert advice, get all the answers you need to get your job done.
Regularly replacing your HVAC filter regularly is vital for a healthy system.
Learn how much an HVAC filter replacement costs with this informative guide.
