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.


“Had our semi annual furnace & a/c inspection on 4/16. Unfortunately old unit was ready to be replaced-repairs wouldn’t be worthwhile accounting for age of unit. Decided on replacement for entire system. Install was smooth and without any hiccups. Installation technicians were professional and informative, cleaned up space well after install was complete.”

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'- Thomas H.

“I highly recommend Interstate Heating. Grant was personable and knowledgeable. Installer's were efficient and cleaned up after themselves. I got several estimates and Interstate came in with the lowest price for a new furnace. I have no regrets!”

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'- craig k.

“Jason and Ryan did an excellent job installing our new Carrier furnace! Both were extremely knowledgeable about the product and it's performance confidently answering my questions.
Ryan even returned late Friday afternoon to correct a small water leak in a plastic drainage hose. That effort was above and beyond. We were very satisfied with the installation and the unit in general.”

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'- Hugh W.

“We have an annual service contract for our furnace and air conditioner, and this was our first experience with Casey. He is professional, courteous, and thorough. He was a little early for our appointment, which was great. Casey explained what he did with the air conditioner and added refrigerant, with our okay, since it was a little low, although he said it wasn’t an immediate necessity. He also reminded us to be sure to change our furnace filter in the near future. We are very satisfied with Casey’s work. Our goal is to keep our air conditioner and furnace in peak condition, and Casey, as well as the previous Interstate Heating servicemen, have met our expectations. Keep up the good work. Thank you.”

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'- Gregg and Judy C.

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Call us at 262-246-4772!