Top rated
4.9
Dale Miller
22 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


“As he has done for the last 4 years, the new furnace has been installed. A GREAT & professional service. I will call for him next year. Thank you for the service.”

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'- Floyd G.

“Called, and had technician (Dylan Scherer) arrive that same afternoon.
He was courteous, friendly and knowledgeable on the service request.

We had Interstate install both our Air Conditioning unit, and Furnace.
Both the Installation and now the service were handled quickly and efficiently.
Dylan did a great job!”

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'- Patrick K.

“This company was fantastic! I called the company they sent someone out for an estimate the next day. And my central air was installed within a week of my initial call. They were very nice and cleaned up well after they were done. The price was also lower than the other companies I called. Would definitely recommend them!”

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'- Donna D.

“Friendly customer service experience when calling. We needed a service call for our AC not working. Thankfully, there was an opening same day and our service tech, Josh, was very kind and explained the problem and how it was going to be repaired.”

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'- Lyn M.

“We were very satisfied with the prompt response and service from Interstate, and especially Eric who came to our house and replaced the capacitor in our air condition compressor. He was very personable and courteous and he seemed to know what to look for and quickly replaced the capacitor. We would highly recommend him and Interstate to our relatives, friends and associates.”

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'- Joseph K.

“Two service technicians came on time and replaced the secondary heat exchanger in little over two hours. They were efficient and courteous. I have had Interstate do maintenance on my furnace and A/C for over 13 years. They are fair and upfront with pricing and any component failures. I would and have recommended them to my friends.”

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'- Robert W.

“Our tech, Chris, was very thorough with checking our heating/cooling system. He also answered my questions regarding maintenance I should do between service.”

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'- Pat B.

“Knowledgeable, efficient, knew what he was doing, systematic approach to diagnose solution. Kept me informed on what and why he was checking certain things.”

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'- Carl C.

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Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!