❄️ Official Rankings
10 Best HVAC in Waltham, MA (November 2026)
We compared 10 hvac serving Waltham and Middlesex County, Massachusetts, and ranked the top providers by verified reviews, ratings, and local reputation — 2,948 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Colt Home Services. Updated for November 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 2,948
- Area codes
- 781, 617
#1
#2
⭐ 5.0 · 186 reviews
17 Prospect St Ave, Waltham, MA 02453
#3
⭐ 5.0 · 111 reviews
28 College Farm Rd, Waltham, MA 02451
#4
⭐ 4.8 · 1911 reviews
586 Pleasant St #4, Watertown, MA 02472
#5
⭐ 4.8 · 170 reviews
53 Williams St, Waltham, MA 02453
#6
#7
⭐ 4.8 · 128 reviews
90b River St, Waltham, MA 02453
#8
#9
#10
HVAC listed here serve Waltham, Middlesex County, and nearby ZIP codes including 02154, 02254, 02451, 02452, 02453, 02454, 02455.