Top rated
4.9
Dale Miller
20 hours ago
Here right away. Knowledgeable. Friendly. Thorough. Couldn't ask for more.
Response from the owner:Hi Dale, thanks for your 5-star review of Josh's visit to your home. We're glad to hear that his service was to your standards. Interstate Heating Co., Inc Muskego | Waukesha | Mukwonago | Maintenance
Sandra Feller
2 days ago
Friendly and great service!
Response from the owner:Sandy, thank you for your kind words. We're happy we could get that unit replaced before the cold weather hits. We are always a phone call away. Interstate Heating Co., Inc Waukesha | Pewaukee | Sussex | Replacement
Andy Murphy
3 days ago
On time, knowledgeable and efficient.
Paul Schreiber
4 days ago
Great job.
Mark Kaminski
6 days ago
Tristan did an outstanding job! As usual, I have always been satisfied with the service we received from Interstate.
Paul Miller
1 week ago
Technician arrived on time. He was courteous, professional, and check system thoroughly. Turns out thermostat was off.
Response from the owner:Thanks, Gordon, for leaving a 5-star review. We appreciate your business and we're glad it wasn't a more serious issue. Interstate Heating Co., Inc Oconomowoc | Pewaukee | Hartland | Repair
Carla Cross
1 week ago
Customer service friendly and helpful scheduling services. Communicates via text and email on the status of repair person. Repair person works efficiently and provides training on new equipment installed.
Mark Treadaway
2 weeks ago
Efficient, polite, and professional. You’ve got a very good employee working for you.
Response from the owner:Thank you so much for the 5-star review! We truly appreciate your support and are glad to hear you had a great experience with our team. INTERSTATE HEATING CO. INC, HVAC | BROOKFIELD | DELAFIELD | MAINTENANCE
Martin Wisland
2 weeks ago
Response from the owner:Hi Martin, thanks for taking the time to leave a review for your maintenance visit. Kudos to you for keeping up on your preventative maintenance annually! Interstate Heating Co., Inc Menomonee Falls | Brookfield | Colgate | Maintenance


“Ethan L was very knowledgeable and did a great job repairing our air conditioner. Thanks Ethan for getting our unit up and running so quickly!”
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'- KAREN L.

“The Technician, Eric, was excellent. He was very efficient and knowledgeable and explained everything very well. I'd always want him for any return service.”

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'- Scott Larson L.

“Scheduling appointment was efficient and technician promptly diagnosed issue with our air conditioner. We are looking forward to staying cool in our house this summer. Thanks for the great service Interstate Heating Company!”

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'- David C.

“Chris is very thorough and explains what's good or needs attention with my air conditioner or furnace.
Also, always pleasant. Very pleased with the maintenance provided to keep my furnace/air conditioner
going for as long as possible.”

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'- Sharon K.

“I just wanted to say that Ethan Lipske was amazing. He found the problem with our AC unit quickly and spent the time to check everything else out too. He made sure he wore the booties inside our house and was the ultimate professional. I would recommend Ethan and your company to anyone.

Thank you Ethan!”

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'- Jeff R.

“Chris Carne came out in response to our call about an AC unit that wasn't working properly. He was extremely personable and professional, and quickly diagnosed and fixed the issue. I'm glad I called a hometown expert, and would recommend Interstate to anyone who needs HVAC service.”

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'- Mike V.

“I called due to my air conditioner not working. I received a quick response and the service technician, Ethan was excellent. I was extremely happy!”

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'- Pam W.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!