❄️ Official Rankings
10 Best HVAC in Helena Valley Southeast, MT (August 2026)
We compared 8 hvac serving Helena Valley Southeast and Lewis and Clark County, Montana, and ranked the top providers by verified reviews, ratings, and local reputation — 303 customer reviews in all.
The 8 listed below hold an average rating of 4.6 out of 5, led by Jak's Heating and Air. Updated for August 2026.
- HVAC ranked
- 8
- Average rating
- 4.6★
- Reviews analyzed
- 303
- Area code
- 406
#1
#2
#3
#4
Tri-County Mechanical & Electrical
⭐ 4.5 · 8 reviews
3139 Bozeman Ave, Helena, MT 59601
#5
LONG Building Technologies
⭐ 5.0 · 1 reviews
2285 Deerfield Ln, Helena, MT 59601
#6
#7
#8