HVAC Services in Portage, WI
Looking for reliable HVAC services in Portage? As a local, family-rooted company, we’ve been serving Portage homes and businesses with expert heating, cooling and indoor air quality solutions since 1988.
Trusted Heating, Cooling and Indoor Air Quality Solutions in Portage, WI
When your home or business in Portage needs heating or cooling support, Hillestad Heating and Cooling Systems is here to help. Since 1988, we’ve delivered trusted HVAC care across Columbia County, from historic downtown Portage and the North Side to the Riverwalk. With fast response times and professional, friendly technicians, we’re proud to serve every corner of Portage.
From winter furnace repair to high-efficiency air conditioner installs on hot summer days, Hillestad Heating and Cooling has you covered. We’re your local HVAC partner, dedicated to keeping our community comfortable year-round.
Need HVAC Service in Portage?
Whether your system needs a quick fix or a full upgrade, Hillestad Heating and Cooling is here to help, fast, friendly and just down the road. Schedule your appointment online, or give us a call at (608) 742-7771 .
Request ServiceHVAC Services We Offer in Portage
No matter if you live down by the Wisconsin River in Historic Downtown or up by Silver Lake, we’ve got your comfort covered. Our services include:
Heating Services
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Furnace repair, replacement and installation
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Boiler service and maintenance
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Seasonal tune-ups
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Emergency heating repairs
Cooling Services
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A/C repair, maintenance and installation
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Ductless mini-split systems
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High-efficiency system upgrades
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Central air troubleshooting
Indoor Air Quality
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Whole-home air purification
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Humidifiers and dehumidifiers
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Ventilation solutions
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Filter replacement and upgrades
Commercial HVAC and Refrigeration
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Rooftop units and packaged systems
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Walk-in cooler and freezer service
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Boiler systems and gas piping
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Custom maintenance agreements
We service all major brands, and we’ll always provide honest recommendations tailored to your home or business.
Why Portage Homeowners and Businesses Trust Hillestad
Back in 1988, Hillestad was five hardworking HVAC pros in a garage, united by one mission: to offer better heating service with a personal touch. Decades later, that mission hasn’t changed.
Here’s why customers across southern Wisconsin continue to choose Hillestad Heating:
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Local and Family-Rooted: Proudly located in Lodi and supporting our surrounding communities since 1988.
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Experienced Technicians: Skilled, certified and constantly trained.
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Prompt and Professional: We show up on time and do it right the first time.
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Energy-Efficient Solutions: We’ll help you save money and stay warm.
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Clear and Honest Quotes: No pushy upsell. No surprises.
Need HVAC Service in Portage?
Whether your system needs a quick fix or a full upgrade, Hillestad Heating and Cooling is here to help, fast, friendly and just down the road. Schedule your appointment online, or give us a call at (608) 742-7771 .
Request ServiceMon-Fri: 7:00am - 4:30pm
24-hour emergency service
Call Us Today!
Contact Hillestad Heating and Cooling
We are committed to your comfort! That’s why we offer 24-hour, same-day service for urgent matters. For other inquiries or to speak with an expert regarding routine service, please reach out to our office.