❄️ Official Rankings
10 Best HVAC in Waterbury, CT (October 2026)
We compared 10 hvac serving Waterbury and Naugatuck Valley Planning Region County, Connecticut, and ranked the top providers by verified reviews, ratings, and local reputation — 3,720 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Chernin HVAC & Refrigeration L.L.C.. Updated for October 2026.
- HVAC ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 3,720
- Area codes
- 203, 860
⭐ 4.9 · 440 reviews
1114 Middlebury Rd, Watertown, CT 06795
⭐ 4.9 · 277 reviews
240 Railroad Hill St, Waterbury, CT 06708
⭐ 4.8 · 1561 reviews
165 Railroad Hill St, Waterbury, CT 06708
⭐ 4.7 · 933 reviews
264 Sandbank Rd, Cheshire, CT 06410
⭐ 4.7 · 116 reviews
325 Sandbank Rd Ste B3, Cheshire, CT 06410
HVAC listed here serve Waterbury, Naugatuck Valley Planning Region County, and nearby ZIP codes including 06701, 06702, 06703, 06704, 06705, 06706, 06708, 06710, 06720, 06721, 06722, 06723 and more.