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


“Eric O was timely polite & explained the repairs required in layman’s terms. Thank you for your time right before Labor Day”

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'- Kathleen G.

“Wow….. I made a call this morning in this disastrous heat and the service technician was prompt and repaired the system and looked at my other system and repaired that also I'm excited…..
I definitely would recommend interstate heating and cooling again and again”

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'- James O.

“Called at 7:30 am On a Sunday. I noticed A/C wasn’t working later the day before. Tech told me how to enter trouble code area on my thermostat. Read the codes to him. He came over on a Sunday and found the starting capacitor failed. Replaced it and system is running again. 11 year old Carrier A/C unit.”

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'- Paul H.

“Josh is a fantastic service tech! Knows what he’s doing, explains issues clearly, works efficiently and cares about customer satisfaction.”

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'- Chris H.

“Josh is a fantastic service tech! Knows what he’s doing, explains issues clearly, works efficiently, and cares about customer satisfaction.”

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'- Chris H.

“Josh is a fantastic service tech! Knows what he’s doing, explains issues clearly, works efficiently and cares about customer satisfaction.”

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'- Chris H.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!