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

QUALITY SERVICE

Hillestad, one of Madison’s most experienced and respected heating and cooling contractors, has earned the trust of thousands of families by helping them keep their homes safe and comfortable year round.

CHOOSING THE RIGHT EQUIPMENT

As manufacturers develop new products to keep us comfortable and conserve energy, Hillestad is right there to help you choose the right unit for your home. We not only help you conserve energy, but money as well. Some of our manufactures offer financing with unusually easy terms and a Hillestad representative can explain these terms to you. To learn more about our most popular furnaces and air conditioners, please visit our manufacturers page.

QUALITY SERVICE

Hillestad is known throughout southern Wisconsin as one of the most trusted and respected heating and cooling contractors. We take your business as seriously as our own. Hillestad will assist you from start to finish with expert design, planning and engineering all the way through to the completion of the project.

CHOOSING THE RIGHT EQUIPMENT

Apartment complexes to office buildings, churches to schools. Hillestad can handle any size job. We specialize in heating and cooling rooftop systems and boiler repair & replacement. HIllestad heating and cooling sells only products manufactured by the most trusted names in the industry. Products proven to be energy efficient, cost efficient and environmentally safe. Brands such as Bryant, Burnham, Carrier, Triangle Tube and Buderus.

QUALITY SERVICE

Hillestad, one of Madison’s most experienced and respected heating and cooling contractors, has earned the trust of thousands of families by helping them keep their homes safe and comfortable year round.

CHOOSING THE RIGHT EQUIPMENT

As manufacturers develop new products to keep us comfortable and conserve energy, Hillestad is right there to help you choose the right unit for your home. We not only help you conserve energy, but money as well. Some of our manufactures offer financing with unusually easy terms and a Hillestad representative can explain these terms to you. To learn more about our most popular furnaces and air conditioners, please visit our manufacturers page.

QUALITY SERVICE

Hillestad is known throughout southern Wisconsin as one of the most trusted and respected heating and cooling contractors. We take your business as seriously as our own. Hillestad will assist you from start to finish with expert design, planning and engineering all the way through to the completion of the project.

CHOOSING THE RIGHT EQUIPMENT

Apartment complexes to office buildings, churches to schools. Hillestad can handle any size job. We specialize in heating and cooling rooftop systems and boiler repair & replacement. HIllestad heating and cooling sells only products manufactured by the most trusted names in the industry. Products proven to be energy efficient, cost efficient and environmentally safe. Brands such as Bryant, Burnham, Carrier, Triangle Tube and Buderus.

OUR SERVICES

What We Do

AIR CONDITIONING

BOILER SYSTEMS

AIR QUALITY

REFRIGERATION

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Years in Service
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Experienced Technicians
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Happy Customers
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Completed Jobs

TESTIMONIALS

What People Say

Hillestad installed a new furnace and AC for me. Jeff was very fast in getting out to meet with me and give me a quote and they fit me into their schedule right away. I use Hillestad in my business and they are always very knowledgeable, prompt and very competent. They will do a good job for you I am sure.
Janet B
Great sales staff. Very informative. No high pressure sale. Responsive. Was on time. Great work. Super job all around. Done right the first time. Will recommend to everyone. Very pleased.
Jon A
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Need Emergency Heating, Ventilation or Air Conditioning Service?

We're Available 24 Hours a Day
CONTACT US

Need Emergency Heating, Air Conditioning or Electrical Service?

We're Available 24 Hours a Day
CONTACT US