❄️ Official Rankings
10 Best HVAC in Helena, MT (August 2026)
We compared 10 hvac serving Helena and Lewis and Clark County, Montana, and ranked the top providers by verified reviews, ratings, and local reputation — 1,608 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by American Sheet Metal. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,608
- Area code
- 406
American Sheet Metal
⭐ 5.0 · 346 reviews
1526 Hauser Blvd, Helena, MT 59601
All Season Heating & Air Conditioning
⭐ 4.9 · 813 reviews
1110 Stanley St, Helena, MT 59601
Superior Heating and Cooling
⭐ 4.9 · 155 reviews
1145 Hahn Rd, Helena, MT 59602
Intermountain Heating and Air Conditioning
⭐ 4.6 · 124 reviews
1750 E Lyndale Ave, Helena, MT 59601
Sleeping Giant Mechanical
⭐ 5.0 · 5 reviews
1403 N Cooke St, Helena, MT 59601
Tri-County Mechanical & Electrical
⭐ 4.5 · 8 reviews
3139 Bozeman Ave, Helena, MT 59601
HVAC listed here serve Helena, Lewis and Clark County, and nearby ZIP codes including 59601, 59602, 59604, 59620, 59623, 59624, 59625, 59626, 59635.