Comfort without the guesswork.

Heating, cooling, and in-house custom ductwork for homes and businesses in the Flathead Valley and Gallatin Valley.

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Flathead Valley and Gallatin Valley homes with Montana mountain backdrop

Columbia Falls

NATE-certified teamverified technician credentials

Montana licensedbonded and insured

EPA 608 certifiedrefrigerant handling

Bozeman

NATE-certified teamverified technician credentials

Montana licensedbonded and insured

EPA 608 certifiedrefrigerant handling

Your heating and cooling system should keep your family comfortable without keeping you up at night. When something goes wrong, you want someone who picks up the phone, shows up on time, and tells you what's actually going on.

That's what Western Sky is here for. Our NATE-certified team serves the Flathead Valley from the fabrication shop on Highway 40 in Columbia Falls and the Gallatin Valley from our Bozeman location. We handle heating, cooling, and custom ductwork built in our own shop.

Here's how it works: you call or schedule online, we show up and walk you through your options with flat-rate pricing, and we take care of it. No guesswork. No surprises. Just a comfortable home and a team you can call next time.

Choose Your Market

Columbia Falls and the Flathead Valley

Same shop. Same team. Same phone. Heating, cooling, and custom ductwork from the fabrication shop on Highway 40 in Columbia Falls, serving Kalispell, Whitefish, Evergreen, Bigfork, and communities across the Flathead Valley.

Call (406) 296-3336

Bozeman and the Gallatin Valley

New to the valley. Not to the work. A NATE-certified team with 30+ years of combined Gallatin Valley experience, backed by the Columbia Falls fabrication shop. Serving Belgrade, Big Sky, Livingston, Manhattan, Three Forks, and communities across the Gallatin Valley.

Call (406) 229-8080

What we do

Heating

Furnace repair, replacement, and new system installation for your home or business. When your heat goes out, our team gets there the same day.

Cooling

Air conditioning service, repair, and installation. Stay comfortable through Montana's warm summers with a system sized and maintained for your home.

Ductwork

Custom ductwork designed and fabricated in our Columbia Falls shop. Better airflow, quieter operation, lower energy bills for your home.

Indoor Air Quality

Whole-home filtration, humidification, and ventilation systems. Cleaner, healthier air for your family, installed and maintained by our team.

Maintenance

Our Western Sky Preferred Customer plan ($149/year) includes two tune-ups, priority scheduling, and 10% off repair parts. Catch small problems before they turn into expensive emergencies.

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Why homeowners trust us

Your team across the Flathead and Gallatin valleys

NATE-certified technicians serving two valleys. In-house fabrication capability in Columbia Falls. Flat-rate pricing on every job. Two locations, same commitment to your comfort.