❄️ Official Rankings
10 Best HVAC in Norwalk, CT (October 2026)
We compared 10 hvac serving Norwalk and Western Connecticut Planning Region County, Connecticut, and ranked the top providers by verified reviews, ratings, and local reputation — 4,408 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Gault Energy & Home Solutions Gault Stone & Landscape Supplies. Updated for October 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 4,408
- Area code
- 203
⭐ 4.9 · 1464 reviews
11 Ferry Ln W, Westport, CT 06880
⭐ 4.9 · 101 reviews
15 Cross St #209, Norwalk, CT 06851
⭐ 4.8 · 591 reviews
52 Connecticut Ave, Norwalk, CT 06850
⭐ 4.7 · 2100 reviews
70 Fort Point St, Norwalk, CT 06855
⭐ 5.0 · 24 reviews
304 Main Ave #229, Norwalk, CT 06851
⭐ 5.0 · 23 reviews
54 Wilton Ave unit 2, Norwalk, CT 06851
⭐ 5.0 · 23 reviews
25 Van Zant St Ste 1a-1, Norwalk, CT 06855
⭐ 4.8 · 40 reviews
10 Iris Ct, Norwalk, CT 06854
⭐ 5.0 · 13 reviews
16 Commerce St #3, Norwalk, CT 06850
HVAC listed here serve Norwalk, Western Connecticut Planning Region County, and nearby ZIP codes including 06850, 06851, 06852, 06853, 06854, 06855, 06856, 06857, 06858, 06859, 06860.