Excellent
4.9
Paul Schmid
3 days ago
Eric explained all issues with system and was very courteous. Would highly recommend 👌
Karen Branch
4 days ago
Prompt service and had the parts needed to work the AC again.
Response from the owner:Thank you for your feedback. We appreciate you taking the time to share your experience. We understand that pricing for maintenance can sometimes feel higher than expected. Our goal is to always provide reliable, high-quality service using skilled technicians and dependable materials to ensure long-term value and peace of mind. That said, we never want cost to feel like a surprise or barrier. We're always happy to walk through estimates in detail, discuss options and find solutions to best fit your needs and budget. We truly value your business and hope to have the opportunity to serve you again and provide an even better experience next time. Interstate Heating Co. Inc, Mequon | Germantown | Thiensville | Maintenance
Julie Offutt
5 days ago
Eric serviced our air conditioner; outstanding. Our system is significantly more efficient now that it's clean. Tristan was amazing. He advised me to close vents/redirect air to the rooms that needed more heat and to leave on the fan to protect our HVAC system: : : he did suggest adding a line to the basement to give more heat as well which we will likely do. He was an extremely knowledgeable, skilled and kind service man : thank you-Julianne
Excellent service. Knowledgeable and caring serviceman!!
Kath Swanson
7 days ago
Chris is an excellent technician. He is prompt, polite, competent, and explains the services and/ or fixes clearly.
Gary Webb
7 days ago
Eric was awesome, did a great job, quick, complete job, explained everything, all for a fair price.
He was very Thorough and explained everything. He was here last year and talked to Dennis. We will call on him when it needs to be replaced.
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, INSTALL | WAUKEHSA | GERMANTOWN | MAINTENANCE
David Allard
1 week ago
Laurie Kempke
1 week ago
The technician was polite and friendly. He explained the process and results. Would recommend to my friends.


“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.

“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.

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Call us at 262-246-4772!