Excellent
4.9
Diane Maniaci
9 hours ago
Another installer did shoddy work and our a/c unit developed a serious coolant leak. Our technician found and repaired the leak and serviced our system. He was friendly, helpful and prompt. A+
Jane Johnson
2 days ago
Very quick response and helpful technician. I always try to get some extra information about my HVC system and he answered all my questions.
Mary Dietrich
5 days ago
Joshua was very professional gave me very detailed information on what he was performing to my ACs. I highly recommend Joshua
Response from the owner:Hi Mary, thanks for taking the time to leave a review on Josh's recent visit to your home. We look forward to seeing you again. Interstate Heating Co., Inc Milwaukee | Brookfield | Wauwatosa | Maintenance
Julie Heyrman
6 days ago
The person answering the phone was friendly and helpful. Joe was out to our home promptly, addressed the issue, had good questions and came up with a solution. Thank you.
Response from the owner:Hi Julie, thank you for your review of Joe's visit to your home. Leaks can be worrying but we're happy to hear everything went well. Interstate Heating Co., Inc Sussex | Brookfield | Waukesha | Repair
Sue Stewart
1 week ago
We appreciated same day service on our air conditioner issue. Josh was knowledgeable, explaining our options, and not high pressure. Within an our our unit was up and running. We will definitely use Interstate Heating again!
Response from the owner:Hi Sue, thanks for taking the time to complete this review of Josh's visit to your home. We appreciate your business and your kind words. We look forward to seeing you again. Interstate Heating Co., Inc Sussex | Waukesha | Pewaukee | Repair
John and Cal were fantastic-very organized. Great people skills, tidy, systematic in everything they did beginning to end, their work seemed streamlined and impeccable, the clean-up thorough. Tom did a great job selling the process and product options, and expedited a quick installation and solution. The value proposition of a quality product seemed easy to accept when comparing g the choices. He spent time making certain I understood the details and how to explain to my husband who was working in Tennessee for the week.
Photo from customer reviewPhoto from customer review
Response from the owner:Hi Linda, Thank you for your awesome review of the techs! We are so happy we could get your install done so quickly for you. We're always a phone call away whenever you need us. Interstate Heating Co., Inc Sussex | Colgate | Menomonee Falls | Replacement
Jeff Guidinger
1 week ago
Response from the owner:Jeff, thanks for your review and for allowing us at Interstate Heating to figure out what was going on with your A/C. Dylan will have you up and running in no time. Interstate Heating Co., Inc Waukesha | Delafield | Pewaukee | Repair
Mary Clayton
1 week ago
Last weekend we had a horrible rainstorm. We got 4.8" of rain and lost power for 20 hours. When the power came on at 2:14am, exhausted we went to sleep. When we woke up the house was very warm and humid. I called Interstate Heating Sunday and left a message. Sure enough Monday bright and early we got a call. They sent a technician out same day. Josh quickly discovered it was the transformer in the furnace. It wasn't getting power. So the AC couldn't work. He fixed it so fast! We are back to normal and so greatful. Interstate has been our heating/ac for 24 yrs. Wonderful office staff, great service techs. Thank you Interstate!!
Response from the owner:Hi Mary, thank you for trusting us at Interstate Heating to get you back up and running. It's such great news that Josh got your repair done so quick for your home and got you back comfortable. We're always here when you need us. Interstate Heating Co., Inc Brookfield | Elm Grove | Wauwatosa | Repair
Steve Peters
1 week ago
Response from the owner:Steve, thanks for your 5-star review. We're happy that you were satisfied with Tristan's visit to your home. Interstate Heating Co., Inc Sussex | Colgate | Menomonee Falls | Repair


“Technician T. G. was professional, knowledgeable, and efficient.
He explained everything that he was doing, what the problem was, showed me the part that was not working and replaced it.
He further explained how to best manage cooling my house in the extreme heat, Wisconsin is having this summer.”
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- Jan B.

“Answered all my questions and reassured us that what we are doing to maintain the air conditioner and the
furnace is correct. He was very knowledgeable and added additional information if we needed more clarification.”

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- Patricia S.

“We heard a ticking noise in our furnace when the blower stopped running. It sounded like it was coming from the furnace. Dylan checked the furnace as well as a supplemental cooling duct we had installed previously for an upstairs room because it was too hot during the summer. He determined that the issue is the motor on the supplemental cooling duct that is wearing out. Once we turned off the blower for the upstairs room, the ticking noise stopped.”

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- Gregg and Judy C.

“Absolutley outstanding service from Eric O! Our daughters A/C unit went out one a very hot day and Interstate sent him out that afternoon. He diagnosed the problem and had the unit back up and running. We truly appreciated his kind expertise!”

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- Tina B.

“Dylan was very professional and knowledgeable in my yearly tune up of my AC system. He also helps with my annual maintenance of my furnace and I have the ultimate confidence in his work. He answers all my questions and concerns, job well done”

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- Chad S.

“Five days ago, I did a Google Review that I really didn't want to submit, because of a service call that left us questioning if our furnace was really repaired to the standard we've come to expect from Interstate Heating over the past 30 years. Turns out our worries were warranted as days later, we noticed water leaking from the unit. We called in and talked to Matt. He listened to our story and was able to send technician Chris Carne at the next available opening. We can't possibly say enough good things about the service that we received from Chris. He immediately found the problem, thoroughly explained how he would be making the repair, had the parts and tools with him and completed the work quickly with no extra charges or sales pitches. It's now been 2 days and the house is warm and the furnace is dry. Thanks to the great customer service by Matt and the outstanding work done by Chris, we now have renewed confidence in Interstate Heating that made us choose them 30 years ago. We will remain with Interstate as long as Matt and Chris continue their awesome service! Thank you so much!!!”

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- Jeff T.

“The team of Antonio Stanisch was very professional and courteous. They answered all my questions and walked me through the process. They also took all precautions to not damage any floors and left our place clean.”

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- Johannes S.

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