
HVAC Installation & Repair in Great Falls, MT
Compare 26 hvac installation & repair contractors near you in Great Falls and surrounding area with an average rating of 4.6/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 24, 2026
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Other Businesses in This Area
Advanced Air L.L.C
5.0Gill's Heating & Cooling, Inc.
5.07 mo onlineGreat Falls Heating & Air Conditioning
5.0Trane - Heating & Cooling Services
5.0~33 years onlineFischer HVAC, Inc.
4.9Nelson Comfort Solutions
4.9PipeDown Plumbing, LLC
4.9HVAC & Refrigeration
4.8The Water Boyz LLC
4.8~2 years onlineDave's Sheet Metal Heating & Cooling
4.7Falls Mechanical Services LLC
4.713½+ years onlineAT Klemens
4.625+ years onlineFairway Comfort Systems
4.67 mo onlineKindred Plumbing and Heating, Inc.
4.65+ years onlineAll About You Plumbing and Heating
4.56+ years onlineB & B Heating & Air Conditioning
4.5Best Value Plumbing & Rooter
4.52+ years onlineBrennan Heating & Cooling Inc
4.521+ years onlineJerry's Radiator & AC Services
4.4Air Tech Heating and Cooling
4.3911 Plumbing and Heating
4.011½+ years onlineHVAC Installation & Repair in Nearby MT Cities
Other Services in Great Falls
HVAC Installation & Repair in Great Falls, MT
Great Falls MT HVAC installation has to handle MT climate (-30°F design temps), older homes with aging gas furnaces, and NorthWestern Energy/Montana-Dakota Utilities TOU rates. Heat pumps gaining traction. Manual J load calcs paired with high-efficiency variable-speed equipment cut bills 25-40%. NeedInstall connects you with Great Falls HVAC contractors who size by Manual J, handle NorthWestern rebates, and properly seal/insulate ducts.
Great Falls HVAC installs run $7,500-$16,000 for cold-climate heat pumps, $5,500-$11,000 for split systems. MT requires a state HVAC license. Permits ($95-$225). NorthWestern rebates ($300-$1,500). 30% federal ITC.
Frequently Asked Questions
- Heat pump in MT?
- Cold-climate heat pumps work to -15°F at 70-80%.
- NorthWestern rebate?
- $300-$1,500 for high-efficiency upgrades.
- What size?
- Manual J critical.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Great Falls and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.