Top rated
4.9
Dale Miller
23 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


“Interstate installed a new air conditioner 4 days after a technician was here to evaluate the problem. Installation went smoothly and there have not been any problems yet. The installers worked during the rain and did a great job of cleaning up afterward. Enjoying my new air conditioner!”

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'- Karen H.

“Our 6 year old central air system stopped producing cold air. We called at 8:00 AM on a Sunday and the technician arrived in an impressive 45 minutes. Fortunately all that was required was a new capacitor and we were back in business. Casey, the technician could not have been more pleasant or competent. Fast, terrific service. Thank you.”

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'- Tom L.

“Needed to replace a 26 year old air conditioner and was able to make that happen in 4 days! They also credited my initial service call to the total price of the unit which I was thankful for. My only wish was to have an actual brochure to compare replacement units, to actually see the features and the prices (I am old school in that regard!) rather than looking it up online. Many people my age are not as comfortable with that!”

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'- Karen H.

“Service was good and technician was knowledgeable, neat and on time. My wife an I felt the service charge was outrageous-$640 for 1.5 hours of labor. Before using your company again I will check with other service providers to compare pricing.”

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'- William T.

“Excellent communication, professional attitude, timely installation and meticulous cleanup. We would definitely request his service if needed in the future.”

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'- Steven S.

“Dylan. the technician, came to our home to do a yearly check of our air conditioning system. He was a true professional, courteous, and answered all our questions. We were very impressed with his knowledge. He didn't mind that my husband followed him around because he likes to be informed and understand what was happening and what Dylan was finding along the way. We will always request Dylan for any future needs we may have. Thank you.”

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'- Cynthia R.

“The technician showed up on time to service our A/C, furnace and Aprilaire. He was thorough and respectful. We’ve been a customer for many years and highly recommend Interstate Heating.”

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'- Neil A.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!