❄️ Official Rankings
10 Best HVAC in Hampstead, NH (September 2026)
We compared 10 hvac serving Hampstead and Rockingham County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 2,325 customer reviews in all.
The 10 listed below hold an average rating of 5.0 out of 5, led by Big Al's Services. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 5.0★
- Reviews analyzed
- 2,325
- Area codes
- 603, 978
⭐ 5.0 · 871 reviews
22 Danville Rd, Plaistow, NH 03865
⭐ 5.0 · 232 reviews
13 Lake Ave, Hampstead, NH 03841
⭐ 5.0 · 111 reviews
49 Walker Rd, Danville, NH 03819
⭐ 5.0 · 53 reviews
26 Ermer Rd #1e, Salem, NH 03079
⭐ 5.0 · 52 reviews
9 Stonewall Terrace, Atkinson, NH 03811
⭐ 4.9 · 55 reviews
14 Westwood Dr, Hampstead, NH 03841
⭐ 4.9 · 54 reviews
315 Kent Farm Rd Unit 1, Hampstead, NH 03841
⭐ 4.7 · 772 reviews
13 Hall Farm Rd, Atkinson, NH 03811
HVAC listed here serve Hampstead, Rockingham County, and nearby ZIP codes including 03826, 03841.