SOUTHEAST WISCONSIN’S HVAC EXPERTS
ESTABLISHED IN 1962
OUR STORY
Continuing a Tradition of Exceptional Heating and Cooling Services
What began in a garage in 1962—with Gordy and John Cole’s commitment to offering honest, high quality HVAC service—continues today at Interstate Heating Co. in Sussex. We’ve grown to offer the latest heating, cooling, and air quality products, and our service area now covers all of southeastern Wisconsin.
We are three generations strong and still follow the most basic rule of business: we treat our customers the way we want to be treated.
WHAT OUR CUSTOMERS ARE SAYING
“2025-03-17 BxB Media Test”
“My existing unit was old and loud. They provided good service and they have great reviews. Summer is getting hot and I needed an efficient way to cool.”
“The technicians were very personable while being professional. They explained what was being done and were clearly very knowledgeable, immediately instilling confidence in me. They worked very efficiently. I also liked this company’s procedures, which included e-mails and telephone calls on arrival and en route, and including names and pictures of the techs who were coming.
I definitely recommend this company!”
CURRENT OFFERINGS
10% OFF
On Any Full HVAC System Replacement
PROUDLY PARTNERED WITH
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