Top rated
4.9
Dale Miller
19 hours ago
Here right away. Knowledgeable. Friendly. Thorough. Couldn't ask for more.
Sandra Feller
2 days ago
Friendly and great service!
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
7 days 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


“Josh did a great job pinpointing the issue with our geothermal system. He provided a workaround solution to keep the system running until the replacement part is available.”
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- Doug F.

“I had a gas furnace and air conditioner replaced in my home and it went very well. They were on time, removed the old units, installed the new equipment cleaned everything up and answered any questions I had.”

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'- Sue M.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!