CGS Heating & Air Conditning
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CGS Heating & Air Conditning
All of our heating and air products are designed for the best quality, energy efficiency and reliability that you have come to expect from CGS Heating & Cooling. Let one of our expert installers help you choose the systems and products that work best for your home. CGS Heating & Cooling has been servicing businesses for decades.

We offer fast, dependable and reliable products and services for your commercial needs. Innovation is a key part of each unit we install. We also offer repair and maintenance for most all makes and models of commercial heating and air needs. Our air quality services are top notch to assure your home or business help you and those you care about to breathe easy.

Our commercial unit heating systems are designed and manufactured by leaders in the industry such as Reznor, Day & Night, S&P and more. Trust CGS Heating & Cooling with your business heating needs. CGS Heating & Cooling treats your home like it is our own. Our skilled installation experts offer a variety of heating choices for your home and comfort.
Services
Providing professional HVAC services to Southeastern Wisconsin businesses owners and homeowners since 1984, we've built our reputation on quality, honesty and integrity, and expertise. Since 1984, CGS Heating & Cooling has been a family-owned company dedicated to helping Southeastern Wisconsin business owners & homeowners enjoy safe, comfortable homes and businesses.
CGS Heating & Cooling is dedicated to providing top quality furnaces, heaters and air conditioning systems, water heaters and air quality systems along with unparalleled customer service. We offer a full range of both Commercial as well as Residential heating and air conditioning services for all of Southeastern Wisconsin.
Reviews (7)
Jaymee Harvey Willms
Jaymee Harvey Willms
Jun 30, 2020
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CGS Heating and Cooling is incredibly generous and supportive of our local community. Thank you CGS from Big Brothers Big Sisters for your support with Bowl for Kids' Sake 2020!
Brian Wencka
Brian Wencka
Dec 24, 2019
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Scheduled a meeting for Clark to come to my house on 6/29/19 to give an estimate for replacing out HVAC system. He never showed or called saying he could not make it. I called and texted him to see what happened but not response.
Joshua Juranitch
Joshua Juranitch
May 28, 2018
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Clark has the worst customer service or interpersonal skills I have ever seen.
Wendy Schoepke
Wendy Schoepke
Aug 31, 2017
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I have used CGS HVAC both when we lived in Milwaukee 20 years ago and now in our home in Erin WI. They are fantastic!. They installed a new furnace and central air for us in our Milwaukee home and they were the best bang for our buck when we reviewed all the quotes. We were also extremely pleased with the service, quality, professionalism and quick turn around time. We  called them last fall to get a quote for our central air in our Erin home (which has electric heat). We were elated to find out that he could install both a natural gas furnace (using the existing duct work) and replace our old
Jeremy Bisick
Jeremy Bisick
Aug 30, 2017
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Horrible service! Clark serviced our furnace and got the unit running. After it failed overnight, I called him the next day and he told me to monitor it as it came back on after I reset it. Once the resets didn't work, I called him back and kept getting excuses and blown off about coming back to fix the unit. Almost a week later and after numerous phone calls and time on my part he finally agrees to come out at noon. Shows up 3 hours late and asks my wife " how much heat do you need?, it seems warm in here." Not amused, she explains we've been running space heaters non stop since he couldn't fix
Mel Schuette
Mel Schuette
Jul 21, 2017
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Just wanted to thank you for working with us on getting our heater and air conditioning. We sincerely appreciate your expertise, hard work and honesty. We love our new units and I will definitely tell my friends how courteous, friendly and prompt you were when we needed you. Thank you again. Mel
Sara V.
Sara V.
Oct 22, 2013
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Highly recommended. These guys will make sure they fix the problem. They don't continue to charge you for service calls if they need to come back the next day. And they do come back the next day if it isn't 100% fixed. They are very nice and timely.
Will use them for years to come.