Top rated
4.9
Dale Miller
23 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


“Jack was very courteous and asked if I had any questions regarding what he was doing. I didn’t appreciate the amount I was billed $155 when I was told when I made the appointment that it would be $99. Office person I made appointment with knew it was maintenance call . It was made maybe 3-4 weeks prior- if service call I would have wanted it as soon as possible.”

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'- Sue O.

“Jack was THE BEST!!! He was well versed at trouble shooting and problem solving. Should the need arise, I will be sure to ask for his assistance.”

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'- Bob W.

“Josh arrived on time and went right to work. He was able to diagnose the issue with my furnace and repair it quickly. He was personable and professional, and answered all of my questions. I was so thankful that it was a fairly easy fix, especially during this frigid weather. I would recommend Interstate Heating for any repair!”

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'- Dayna S.

“Our service technician, Jack, was prompt and arrived in a neat appearing uniform. He greeted us with a smile and handshake and chatted with us for a few moments about our furnace, and what service he was about to perform. He was police, quiet and diligent, and offered a full explanation of what service he performed. Jack was easy to understand and enjoyable to speak with. He is an excellent ambassador for his profession as well as for the company. We will definitely use Interstate Heating again and ask for Jack to be our service technician. Well done, Jack!”

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'- Doug L.

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Call us at 262-246-4772!