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


“Came to my help quickly, Josh the technician gave my furnace a thorough check, and an honest opinion. Very satisfied with their work. Thanks!”
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'- Robert H.

“Eric came early (yay!) and quickly determined the problem was that my new air filter that was too restrictive, causing a short cycle and the associated heating problems that go along with it.
He replaced the filter and the problem was resolved.
They should all be this easy!”

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'- Tom M.

“Fantastic experience with Interstate Heating. Was referred to them by my dad who had spoken very highly of your guys’ service in home building projects. My wife and I had our furnace go out and your team was quick to come out, assess and quote the project, and install a new, efficient furnace. I am pretty unknowledgeable when it comes to these things, but your team helped me understand what was occurring and made great recommendations on a new product. In addition to doing a great job, the three individuals I dealt with were all very friendly. 5 stars!”

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'- Brian F.

“We just had your technicians here today to replace our furnace. Wonderful customer service along with quick installation. Thanks again”

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'- Jenny B.

“Technician was friendly, knowledgeable and described everything he did. Gave helpful feedback. Did a great job. I would not expect anything less from Interstate Heating.”

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'- John S.

“Dylan arrived in the allotted timeline and was polite and courteous. Made some minor adjustments on our furnace, and did all his checklist, I was very happy with him and the service he did

Jim N.”

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'- Jim N.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!