Excellent
4.9
Jim Fritz
12 hours ago
B Finegold
4 days ago
Great experience today. A/C problem diagnosed, part was on board. Chris fixed unit and A/C works great. Chris checked that my part was under warranty. Price was competitive but service often outweighs the price. Thank you Chris and Interstate
He was very thorough and fixed the problem in a timely manner. He also left the area beautifully clean when he was done. He was also very professional.
Great service from the young men. Good group of guys. Very friendly and skillful.
Michael Ribar
4 days ago
Great service and communication! Thanks!
Jeff Rusinow
6 days ago
Very professional, did a very good job explaining the situation, took care of things quickly.
David Linsky
1 week ago
Good communication and didn't try to upsell. Performed requested maintainence and sent photos of work performed.
Response from the owner:David, thanks for your 5-star review and thanks for trusting Interstate Heating to handle your maintenance needs. Interstate Heating Co., Inc Greenfield | Franklin | Milwaukee | Maintenance
Michael Dover
1 week ago
Their technician Chris was punctual, friendly, and professional while he diagnosed my furnace issue and performed annual maintenance. Would recommend him to everyone.
Kim Frohna
1 week ago


“Interstate heating CO addressed my furnace problem very efficiently. They worked quickly to send a tech, get the required parts and have it replaced. Josh L did an excellent job. He was knowledgeable and efficient.”

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'- Vidya A.

“One of our thermostats stopped working. We called Interstate Heating and they quickly set up an appointment the very next day. The service man was extremely pleasant and he fixed the issue within an hour. We are grateful for Interstate Heating’s excellent service and quality! They truly respect the customer!”

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'- Mike D.

“Excellent experience … from review of current system, quote process and installation. My election for an install date for both furnaces coincided with an outdoor temperature of minus 4 degrees. All went very smoothly and the house barely cooled at all. A total of 4 installers and an electrician worked the job, and when they left there was nothing left behind for us the pick up.
Recommend Interstate highly, and I’ve been told I’m a tough guy to please.”

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'- Bart M.

“Completely happy they were able to get and install a new furnace same day. We went from no heat to new heat from a new Armstrong furnace!”

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'- Jeff L.

“Problem:furnace shutting off before achieving desired temperature.
Technician spent 30 minutes trying to repeat the problem but couldn’t. He set blower speed up a small amount to keep furnace from overheating.hopefully this solved the issue”

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'- Bob P.

“Dylan arrived as scheduled and found the problem quickly. He checked everything else and changed the filter for me . Interstate has been our go to since 1992, wouldn’t call anyone else. Excellent service!”

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'- Theresa S.

“Josh was very nice and professional. I appreciated that he responded to the service call later in the evening. I would recommend Interstate Heating.”

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'- Kim W.

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