❄️ Official Rankings
10 Best HVAC in North Stamford, CT (August 2026)
We compared 10 hvac serving North Stamford and Western Connecticut Planning Region County, Connecticut, and ranked the top providers by verified reviews, ratings, and local reputation — 3,315 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Comfort Masters. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 3,315
- Area code
- 203
#1
#2
#3
Hellas Air Temp Inc
⭐ 4.8 · 591 reviews
52 Connecticut Ave, Norwalk, CT 06850
#4
Green Mechanicals Heating & Cooling LLC
⭐ 4.8 · 184 reviews
37 Highview Ave, Stamford, CT 06907
#5
Astacio Heating, Cooling, Plumbing & Electrical
⭐ 4.7 · 2100 reviews
70 Fort Point St, Norwalk, CT 06855
#6
Dominick's Heating and Cooling
⭐ 4.8 · 40 reviews
10 Iris Ct, Norwalk, CT 06854
#7
Dolce Heating & Cooling LLC
⭐ 5.0 · 14 reviews
70 Archer Ln, Stamford, CT 06905
#8
#9
C V Longo Heating & Air Conditioning
⭐ 5.0 · 7 reviews
7 Ryan St, Stamford, CT 06907
#10
Climate Care, LLC
⭐ 4.5 · 173 reviews
318 Strawberry Hill Ave, Norwalk, CT 06851