Excellent
4.9
Diane Maniaci
15 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


“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.

“Interstate installed my HVAC system in a new construction condo. After living in it for 16 months, I realized I hadn't replaced my filters. I called to have the system checked. Eric found my Aprilaire Humidifier wasn't working because of funky wiring and the filter was not installed correctly.”

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'- Janine A.

“Interstate was absolutely wonderful to work with. They answered any and all questions that I had. (And I had a lot of questions) They gave me information on when the work would take place and had my Carrier Infinity furnace/ AC unit in very quickly. The installation crew was also very knowledgeable and polite. They also helped me with paperwork for a rebate as well. Please note that Carrier is the way to go….. My old Carrier AC unit was 38 years old and STILL working!!!
I was in construction for 37 years and can tell good contractor people. Interstate was fantastic to do business with!”

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'- Gregg B.

“Total Care Package — AC Maintenance & Gas Leak Repair
Dylan is very friendly and knowledgeable. He was able to complete the AC maintenance, re-check the gas leak, and repair the gas pipe where the gas leak was with no problems. Thanks Dylan!”

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'- Bobbi H.

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Call us at 262-246-4772!