❄️ Official Rankings
10 Best HVAC in Franklin, NH (September 2026)
We compared 10 hvac serving Franklin and Merrimack County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 3,864 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Rowell's Services. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 3,864
- Area code
- 603
#1
⭐ 4.8 · 3579 reviews
359 Tilton Rd, Northfield, NH 03276
#2
#3
#4
#5
#6
#7
⭐ 5.0 · 9 reviews
448 W Main St, Tilton, NH 03276
#8
⭐ 4.6 · 44 reviews
27 Hill Rd, Franklin, NH 03235
#9
⭐ 4.7 · 7 reviews
146 Webster Lake Rd, Franklin, NH 03235
#10
⭐ 4.8 · 5 reviews
45 Haggett Farm Rd, Northfield, NH 03276
HVAC listed here serve Franklin, Merrimack County, and nearby ZIP codes including 03235.