❄️ Official Rankings
10 Best HVAC in Claremont, NH (August 2026)
We compared 10 hvac serving Claremont and Sullivan County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 390 customer reviews in all.
The 10 listed below hold an average rating of 4.7 out of 5, led by Fresh Air Solutions. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.7★
- Reviews analyzed
- 390
- Area code
- 603
SERVPRO of Windham & Windsor Counties
⭐ 4.8 · 51 reviews
20 Harvest Park Rd #2, Ascutney, VT 05030
Z - BLL Dryer Vent Cleaning Co Claremont, NH
⭐ 4.9 · 23 reviews
293 Hanover St, Claremont, NH 03743
ALL Weather HVAC
⭐ 4.7 · 33 reviews
429 Calavant Hill Rd, Charlestown, NH 03603
Still Dryer Vent Cleaning Services Claremont, NH
⭐ 4.8 · 11 reviews
302 Plains Rd, Claremont, NH 03743
SERVPRO of Claremont, Sunapee, Newfound Lake
⭐ 5.0 · 3 reviews
23 Lincoln Heights, Claremont, NH 03743
HVAC in Claremont — FAQs
How do I choose the best HVAC company in Claremont, NH?+
Compare local companies on verified reviews, confirm they service your equipment — furnace, heat pump, or central air — and check that they're licensed in New Hampshire. Fresh Air Solutions is among the top-rated options serving Claremont. Ask about emergency availability, since heating reliability matters through a Sullivan County winter.
How much does HVAC service or installation cost in Claremont?+
Costs depend on whether you need a repair, a tune-up, or a full system replacement, plus the size of your home, so Claremont contractors quote after an assessment. For installations especially, getting two or three quotes from top-rated local companies is worthwhile.
How often should I service my heating system in New Hampshire?+
Most HVAC professionals recommend an annual furnace or heat-pump tune-up before the New Hampshire winter and an air-conditioning check before summer. Regular maintenance keeps the system efficient and helps catch small issues before they become cold-weather failures.
What areas do Claremont HVAC companies serve?+
Claremont is in Sullivan County and uses the 603 area code with ZIP code 03743. Most companies listed here also serve nearby Sullivan County and Upper Valley towns, so confirm your location when scheduling.
HVAC listed here serve Claremont, Sullivan County, and nearby ZIP codes including 03743.