Top rated
4.9
Mary Jo Mydlach
5 days ago
Tristan was a pleasure to deal with. Knowledgeable, answered all our questions and very patient. We will work with him. My son recommended him.
Response from the owner:Hi Mary Jo, we love gaining new customers through friends and family recommendations. We really appreciate you giving us a shot to handle your HVAC system. We look forward to helping you maintain your units in the future. Interstate Heating Co., Inc Oconomowoc | Hartland | Watertown | Repair
Michael Conway
5 days ago
MARTIN THOMAS
5 days ago
Great guy!!
Response from the owner:Hi Martin, Thanks for taking the time to leave us a review and thanks for understanding the importance of maintenance. We appreciate your business. Interstate Heating Co., Inc Waukesha | Delafield | Pewaukee | Maintenance
Doug Lackey
6 days ago
Very knowledgeable technician. Did complete and detailed inspection and maintenance.
Mark
1 week ago
Response from the owner:Hi Mark, thanks for your 5-star review. We appreciate your business and look forward to servicing your home again. Interstate Heating Co., Inc Sussex | Brookfield | Chenequa | Maintenance
randy roets
1 week ago
Anthony Salerno
1 week ago
Josh was great. He made the necessary repairs in a timely manner, he was neat, very through and professional, He's just a very nice young man. The entire staff was excellent, as well.
Justin Ponzi
1 week ago
Dylan is a pleasant and professional technician. He called he was on his way and arrived as he said. Interstate Heating also sent a text and email about his arrival; there is also a link provided to a real-time map. He went straight to work and performed a thorough inspection and testing of the furnace. I feel confident we will have a comfortable winter. If you have Dylan come to your house, you too should have a good experience. Dylan, thanks again.
J. B.
1 week ago
Josh is very professional & knowledgeable. A+ service every time!
Response from the owner:Hi J.B, thanks for your 5-star review. We're appreciative of your business and glad to hear Josh gave great service. Interstate Heating Co., Inc Sussex | Brookfield | Pewaukee | Maintenance
Peter Peterson
2 weeks ago
Tristan did an exceptional job. He was very thorough and conscientious. He communicated our need very clearly.
Response from the owner:Hi Pete, thanks for taking the time to leave us a review of your recent service visit. We appreciate your continued business and look forward to seeing you at the next maintenance check. Interstate Heating Co., Inc Pewaukee | Hartland | Sussex | Maintenance


“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.

“Tristan once again gave us excellent service. He was very informative, explaining what needed to be done and what he did. He even provided photos. We are very satisfied.”

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- Mike G.

“I called the morning after a holiday, and Matthew was very helpful in getting us the assistance we needed. Chris was able to arrive a bit early and quickly troubleshoot and identify the exact issues with both our boiler and furnace. He was polite, knowledgeable, efficient, and cleaned up thoroughly after completing the work.

Every time we’ve worked with Interstate Heating, they’ve been responsive and helpful—from the office staff to the technicians. I truly feel they are honest and have their customers’ best interests in mind.”

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- Karen B.

“Called in this morning and someone was in my house within hours. The issue was solved and no one tried to charge me or sell me something we didn’t need. Very grateful on this cold winter day for their quick response and Chris’s expertise.”

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- Ashley H.

“Dyaln and Tim came out and were prompt, efficent and answered all of my questions. All is working great. I reccomend Interstate to all my friends.”

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- Norm R.

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Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!