Top 10 Ac Installation in Great Falls, MT
Quick Answer
Top: Northern Heating & Cooling (4.9), Falls Mechanical Services LLC (4.7), Gill's Heating & Cooling, Inc. (5)
AC Installation in Great Falls, MT: What to Know Before You Buy
A new AC system is a major investment. The right installer in Great Falls, MT will properly size the unit for your home, handle permits, and back the work with a solid warranty. Undersized or poorly installed systems waste energy and fail early.
💡 Quick Tips:
- Get a Manual J load calculation — not just a rule-of-thumb sizing
- Ask about SEER2 ratings and expected monthly energy costs
- Confirm the warranty covers both equipment and labor
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Northern Heating & Cooling
2501 17th St NE, Black Eagle, MT 59414, USA
Licensed & InsuredTop Rated
Services: Ac Installation
2
Kindred Plumbing and Heating, Inc.
1019 8th Ave N, Great Falls, MT 59401, USA
Licensed & InsuredTop Rated
Services: Ac Installation
3
Gill's Heating & Cooling, Inc.
315 4th St S, Great Falls, MT 59405, USA
Licensed & InsuredTop Rated
Services: Ac Installation
Sponsored
4
Falls Mechanical Services LLC
600 2nd St S, Great Falls, MT 59405, USA
Licensed & Insured
Services: Ac Installation
5
All About You Plumbing and Heating
3405 8th Ave N, Great Falls, MT 59401, USA
Licensed & Insured
Services: Ac Installation
6
AT Klemens
814 12th St N, Great Falls, MT 59401, USA
Services: Ac Installation
7
Brennan Heating & Cooling Inc
815 21st St NW, Great Falls, MT 59404, USA
Services: Ac Installation
Sponsored
8
MacDonald Heating & Cooling
156 Wilson Butte Rd, Great Falls, MT 59405, USA
Services: Ac Installation
9
Great Falls Heating & Air Conditioning
1306 15th St S, Great Falls, MT 59405, USA
Services: Ac Installation
10
B & B Heating & Air Conditioning
415 Vaughn Rd, Great Falls, MT 59404, USA
Services: Ac Installation
How We Ranked These Great Falls Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Great Falls market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
Best ac installation in Great Falls?
Top: Northern Heating & Cooling (4.9), Falls Mechanical Services LLC (4.7), Gill's Heating & Cooling, Inc. (5).