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 was here for our usual fall Gas Furnace Maintenance inspection and answered many of our questions regarding our filters and the air quality in our home. Since we keep the furnace fan on continuously, there were questions about the Aprilaire control board. Some hints as to what number setting to use during the change of seasons in Wisconsin. He also offered information about our Air Quality and what we could do to take care of this situation. He was very professional, and we were very pleased with the exceptional service he provided.”

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'- Patricia S.

“The Interstate appointment was made promptly. The technician arrived on time and was very efficient in inspecting our furnace and air conditioner. We are very satisfied with the service performed.”

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'- Kathleen M.

“The crew from Interstate was top notch. From the moment they arrived (on time) and introduced themselves, to the moment they left, we were completely pleased with the work they completed. They left the work site as they found it, so there was no extra cleaning up needed after they left. I would highly recommend this company and the team that worked on our replacement furnace.”

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'- Cindy A.

“The team was fantastic from start to finish. Our air conditioner had a coolant leak and needed to be replaced, along with the furnace. They were able to schedule the installation right away and walked us through the process to make sure we were getting exactly what we needed. They were very friendly and did a wonderful job cleaning up after!”

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'- Jessica Z.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!