Excellent
4.9
TOM KANTER
3 hours ago
Excellant KNOWLEDGABLE AND FRIENDLY
Tom Gannon
2 hours ago
Eric does a great job. He is extremely knowledgeable and is an excellent communicator.
Larry Dodd
2 hours ago
Joe is a fantastic tech. Did all the diagnostic and repair in a timely way and explained exactly what the issue was for me. Clean , friendly, professional.
Dean Maytag
4 hours ago
Excellent, the tech, Dylan, was very helpful and knowledgeable. Mask and booties much appreciated
Response from the owner:Thank you for sharing your experience! At Interstate Heating Co. Inc, we’re proud to provide trusted heating and cooling solutions across the [Milwaukee area]. INTERSTATE HEATING CO. INC, WHITEFISH BAY | HARTLAND | REPLACEMENT | MAINTENANCE
katie rinka
22 hours ago
I always can count on Interstate to address any issue and fix it correctly. I make a call and they respond as quickly as they can. Super friendly service and very knowledgeable. Front office is amazing as well!
Jim Pipkorn
1 day ago
Fast, friendly service!
john seipel
1 day ago
Eric was really great and on task and got things fixed and found and fixed the cause as well…precious these days and really appreciated!!
Response from the owner:Amazing! That's what we strive for here at At Interstate Heating Co. Inc, Thank you for sharing your experience. We’re proud to provide trusted heating and cooling solutions across the [Milwaukee area]. INTERSTATE HEATING CO. INC, HVAC | PEWAUKEE | REPLACEMENT | MAINTENANCE
Lesley Burkard
2 days ago
Great service - very knowledgeable and offered multiple options to us to help fix the issue. Joe was great.
Jim Rabe
2 days ago
Brian Watkins
2 days ago
Always professional always timely and appreciate the work and the peace of mind - thank you!


“We just had your technicians here today to replace our furnace. Wonderful customer service along with quick installation. Thanks again”
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'- Jenny B.

“Technician was friendly, knowledgeable and described everything he did. Gave helpful feedback. Did a great job. I would not expect anything less from Interstate Heating.”

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'- John S.

“Dylan arrived in the allotted timeline and was polite and courteous. Made some minor adjustments on our furnace, and did all his checklist, I was very happy with him and the service he did

Jim N.”

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'- Jim N.

“My remodeled barn I use for an office was 43degrees when I went out to work at 6:45 AM. I called Interstate at start of business at 7:30 AM. Their technician Eric Osterman arrived before 10:00 AM and the furnace was back on line in around an hour. Eric was a total professional and took care of everything. Overall I was extremely satisfied by the friendly, professional support.”

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'- Jerry W.

“Superior service on so many levels!
First of all, I was dissatisfied with the company that installed my furnace (in 2018) but needed someone to address an issue that recently arose. I chose Interstate based on the recommendation of a friend and, after was said and done, I was not disappointed.
The first service call revealed that the furnace was, internally, really dirty. Yes, I do regularly clean the furnace filters, but the camera showed that more was REALLY needed. The first serviceman did an amazing job righting this problem, but warned me that replacement might be needed if the furnace cleaning didn’t remedy the issue.
Well, the problem continued so, the following week, I called again. To make a long story short, called at 8 AM . . . serviceman arrived at Noon . . . replaced faulty part . . . and was out the door by 1:00. No service charge, on the second visit, and part had a 50% discount because of furnace warranty. GREAT SERVICE!!!
I did learn something, from this adventure, and that is duct cleaning may have prevented this.
I already have made an appointment, for that service. (I asked Interstate if they could recommend anyone and they supplied me with the name of someone they found reliable.)
VERY HAPPY WITH INTERSTATE’S SERVICE!!”

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'- Claire M.

“Interstate heating CO addressed my furnace problem very efficiently. They worked quickly to send a tech, get the required parts and have it replaced. Josh L did an excellent job. He was knowledgeable and efficient.”

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'- Vidya A.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!