❄️ Official Rankings
10 Best HVAC in Lexington, MA (September 2026)
We compared 10 hvac serving Lexington and Middlesex County, Massachusetts, and ranked the top providers by verified reviews, ratings, and local reputation — 7,442 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Great Sky Solar. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 7,442
- Area codes
- 781, 617
⭐ 5.0 · 132 reviews
594 Marrett Rd Ste 16, Lexington, MA 02421
⭐ 5.0 · 113 reviews
28 College Farm Rd, Waltham, MA 02451
⭐ 4.9 · 900 reviews
4 Garfield Cir, Burlington, MA 01803
⭐ 5.0 · 80 reviews
329 Massachusetts Ave, Lexington, MA 02420
⭐ 4.9 · 100 reviews
131 Hartwell Ave #156, Lexington, MA 02421
⭐ 4.8 · 5036 reviews
12 Oakland Ave #4, Stoneham, MA 02180
⭐ 4.8 · 108 reviews
92 William St #3, Stoneham, MA 02180
HVAC listed here serve Lexington, Middlesex County, and nearby ZIP codes including 02173, 02420, 02421.