Serving Dane, Columbia & Eastern Sauk Counties including the Wisconsin Dells & Lake Wisconsin Areas

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Tin Wall

about us

Hillestad heating was a start-up company in 1988.

Five dedicated, hard working guys, with different expertise in all different aspects of HVAC joined forces.

With a plan that took over a year to develop (as business picked up & grew) the group finally had enough business to sustain and employ all of them. Like most businesses they worked out of personal vans, and garages. For the first year Terry Hillestad’s garage was the main shop. Eventually they had enough business to open an official office, in downtown Lodi, that was in the basement of a dental office.

In 1991, Hillestad bought vacant land in an industrial park to build the first official office and sheet metal shop.


“Very pleased with their professionalism. Great customer service and quick turnaround on answering questions and scheduling. I highly recommend!.”

Andi Simmons


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(608) 231-3888




Lodi (608) 592-4035
Baraboo (608) 356-4550
Sauk City (608) 643-8788
Madison (608) 231-3888
WI Dells (608) 253-4101
Portage (608) 742-7771

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