❄️ Official Rankings
10 Best HVAC in Hartford, VT (September 2026)
We compared 10 hvac serving Hartford and Windsor County, Vermont, and ranked the top providers by verified reviews, ratings, and local reputation — 1,966 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Jerm’s Plumbing, Heating, Air & Electric. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 1,966
- Area codes
- 802, 603
Jerm’s Plumbing, Heating, Air & Electric
⭐ 5.0 · 1531 reviews
16 Airpark Rd, West Lebanon, NH 03784
Triumph Home Services
⭐ 4.9 · 159 reviews
3 S Main St Unit 2, West Lebanon, NH 03784
COVER Home Repair and Store
⭐ 4.6 · 125 reviews
158 S Main St, White River Junction, VT 05001
Kingfisher Heat Pumps | Kingfisher Energy
⭐ 4.8 · 20 reviews
53 S Main St Ste 106, Hanover, NH 03755
Fogg's Lumber & Hardware
⭐ 4.6 · 92 reviews
301 US-5 South, Norwich, VT 05055
Cota & Cota
⭐ 4.5 · 28 reviews
8 Barnes Ave, White River Junction, VT 05001
Alliance Mechanical
⭐ 5.0 · 2 reviews
11 Interchange Dr, West Lebanon, NH 03784
HVAC listed here serve Hartford, Windsor County, and nearby ZIP codes including 05047, 05084.