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


“Excellent service from start to finish!!!! From scheduling, staying in touch about arrival, coming out quickly to service, and quickly and successfully fixing. Chris was a great service guy! Very professional and personable. Office staff is great too! Thank you!”
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'- Lorraine C.

“Your technician, Eric O., identified and replaced the failed part promptly. I also appreciated the prompt response of less than a day to my call for assistance.”

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'- Brent L.

“Casey was great! Arrived on time, with text notification. Upon arrival did a check of the system and provided a thorough explanation of what the potential causes were. Then, I went to the outdoor unit to investigate and, thankfully, found no serious issues. Also checked the main unit in the basement and found no issues.

Great visit!”

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'- Tom A.

“Eric was very helpful in all he did and worked hard the entire time he was here. We had an appointment to go to and he even worked it out so that both my husband and I could go together. Much appreciated.”

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'- Marilyn W.

“Our Technician Chris was prompt and diagnosed and fixed the problem with our ac very efficiently. He was informative, courteous and friendly. Great customer service.”

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'- Jeanette J.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!