Top rated
4.9
Mark Treadaway
4 hours ago
Efficient, polite, and professional. You’ve got a very good employee working for you.
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, HVAC | BROOKFIELD | DELAFIELD | MAINTENANCE
John Sauer
2 days ago
I am very happy with the promptness of repair done to my furnace. Chris was professional, knowledgeable and professionalism. Great job Interstate
rosemary wait
2 days ago
Very good service
Harry Aghjian
3 days ago
Great service tech, JOSH solved the issue and did further checks to ensure we would have a great future with our Heating season!
Response from the owner:Thanks so much Harry for a great review! We pride ourselves at Interstate Heating on having smart technicians who can get your issues solved quickly and efficiently. INTERSTATE HEATING CO. INC, BROOKFIELD | MILWAUKEE | PEWAUKEE | REPAIR
M B
3 days ago
Furnace installation. From the first phone call everyone I dealt with was kind, professional, and helpful .would recommend them to anyone !
Response from the owner:Hi MB, thank you so much for taking the time to leave us a review for your install. Needing new equipment can be a stressful time so were glad to hear your experience was a great one. Interstate Heating Co., Inc Oak Creek | Cudahy | Greendale | Replacement
Mark Rinehart
7 days ago
Interstate is a top-knotch service company. Fast and efficient diagnose and fix.
Response from the owner:Hi Mark, thanks for taking the time to leave us a review. We appreciate your business and kind words. Interstate Heating Co., Inc Sussex | Brookfield | Pewaukee | Repair
Jodie Palmisano
7 days ago
Response from the owner:Jodie, thank you for allowing us at Interstate Heating to get your furnace back up and running. We are so glad Joe was able to get it figured out & repaired before the cold weather hit. Interstate Heating Co., Inc Wales | Waukesha | Hartland | Repair
Mary Jo Mydlach
2 weeks 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
2 weeks ago
Response from the owner:Hi Michael, thanks for your 5-star review. We appreciate your business and for trusting us to manage your HVAC system over the years. Interstate Heating Co., Inc Hartland | Pewaukee | Sussex | Maintenance


“Josh is the best. No one works harder. Our house is old and there have been multiple add-on HVAC units along the way. It is complicated and we've had numerous issues along the way. He is great about informing us what is going on and working to resolve any problem.”
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- Bryan H.

“Jake was out early and got our unit repaired on one of the hottest days of the year. He recommended a replacement unit as ours is over 30 years old. He'll be back to replace.”

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- Mike B.

“Eric does the semi-annual maintenance on our furnace. He is always on time and gets the job done professionally and thoroughly. He’s always happy to explain what he’s done on each visit and give us tips on what we need to do to help our furnace run at maximum efficiency.
Eric brings years of experience to the job and it shows in the high quality of his work.”

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- Sheila B.

“Josh did an awesome job finding out what the problem was with our equipment. Very thorough when trying to find out what was wrong with our system.
Ordered the parts and repaired the system. Very knowledgeable, Respectful and professional. Answered all of my questions and gave me some helpful hints regarding our units. I was very pleased with Josh and Jake. I would definitely request these technicians for future work.”

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- Barb E.

“The two service technician, Tristan and Besto performed a seasonal service check-out before summer usage. They were excellent and provided me key information about my air-condition unit, filter, and brought to my attention the two vents in the storage room that we were not even aware of since we just moved into the home in late December. I'll be sure to use them again if anything would go wrong and/or for regular service maintenance and request the same two technicians.”

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- Scott C.

“Great overall experience. Appreciated the text reminders and notice that tech was on his way. Chris took the time to explain the issue in detail.”

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- Cheryl K.

“Josh did a great job pinpointing the issue with our geothermal system. He provided a workaround solution to keep the system running until the replacement part is available.”

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- Doug F.

Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!