Heating & Air Conditioning / HVAC near Slinger

“Dan was very professional with installing a toilet, 3 faucets, shut off valves and a hot water heater. He did an excellent job and was sure that we knew how to operate each item. I also did an excellent job at clean up. I would give him ten stars.“

“Kyle was prompt, knowledgeable, and did great work! He took time to explain the process of installing my new water heater and left everything very tidy. Highly recommend Thielmann!“

“Johnathan W.
He was great took pictures of everything he did. Show me the pictures and explain them to me. He is very likeable person and honest. He cleans up after the tune up was done. He does care about his customers and there property. I hope we get him again.

Larry“

“Every visit we’ve had from Austin—including plumbing by Joe and heating/AC by Garrett has been outstanding! Their technicians are “over-achievers” and highly knowledgeable about what they do. To top it off, they are also very nice and can explain to us what they do in layman’s understanding. They come totally prepared for anything they might encounter, and notify us when they are on their way! We are very impressed with their teams❣️

We recently had a different Garrett out to repair our outdoor electrical outlet/setup for our water fountain. He will be back to replace our indoor fire alarms. Very nice guy!!“

“We had 2 different techs here for 2 different issues - 1 to install a new thermostat and to provide an annual inspection of our A/C unit, and 1 to install two toilets (supplied by us) and replace two outdoor water faucets. Both techs were highly professional and communicated very clearly with us throughout the process.

Prices seem high since this organization was bought out, but the techs provide the same high-quality work we have enjoyed for more than 30 years.“

“West, my tech was very good. He got straight to work and was done in minutes.We were back up and running.“

“Recently had a Armstrong furnace and air conditioner installed by Tony and the crew and they did a amazing job! I was very happy to support a long time family business. I could tell they wanted the best for us and had experience. Our new furnace runs much quieter and much better air circulation. It also has a great warranty that was better than I expected. I would highly recommend them to anyone who is looking for someone they can call and trust and have in their corner!“

“Absolutely recommend! Brion and his team are so nice. We had our AC go out on a 100° day and he was there the next morning to fix it. Thank you so much for your time and great customer service! We truly appreciate you!“

“Great service! Will be my to go to going forward for any heating an ac needs. I was having a problem with my boiler, identified and repaired the problem quickly.“

“Cannot say enough about Comfort Air and more specifically Bill Parikka. He was absolutely amazing and not only repaired our AC, but took the time to explain what he did. In addition, he also made some modifications that will help me better maintain the unit. I would use them again without hesitation for any HVAC or heating repairs I would need again. So nice to find an honest and caring contractor. If you ever need a repair or your unit goes down, Bill is the guy to call.Service: HVAC repair“

“Bob came out and explained my air exchanger system and did some troubleshooting for me. Very knowledgeable, gave me all the information I need to make a informed decision. Super guy to talk to and super company to do business with. Thank you Bob!“

“Three weeks ago, my wife and returned from a getaway only to find out that we were without heat. I called Clark, my HVAC expert for the last 25-30 years, and he promptly came over, assessed the problem and came up with a temporary fix to provide us with heat that night. He followed up the next day to complete a permanent fix and we were eternally grateful for his prompt and efficient service!

I have utilized CGS Heating and Clark Sherman for three decades now, for two furnace and central air replacements, servicing when needed and for periodic furnace and C/A tune-ups. Clark has always been very friendly, professional and honest. You can trust what he tells you and always provides service at a very reasonable price. I highly recommend him & would give him 10 stars if possible!“

“Great experience very professional they found out what my problem was thank you very much. :-)“

“I called 3 companies to get quotes for my A/C to be replaced because it was 35 years old and stopped working.1st place came out and told me my furnace was 22 years old and also needed to be replaced. They gave me 3 quotes, the cheapest being $12,900.2nd company we sent photos to and they quoted us $8,900 for A/C and Furnace.3rd company was Kettle Moraine. I asked to submit photos and get quote for A/C and Furnace. Guy told me Furnace is 5 years old and doesn't need to be replaced. He quoted me $4,700 for A/C and sheet metal work. I agreed. When quote came in it was $4,300. Woo-hoo!!!! When the techs came to install they found the motherboard on the Furnace was bad so they replaced that as well. I wasn't home but my wife had nothing bad to say so that's a good thing. With motherboard we were right around original quote which is way better than $12,900. I would absolutely recommend this company and use them again myself.“