HVAC Cost in Keene, NH in 2026
Most HVAC projects in Keene, NH cost between $5,000 and $16,000. The typical price is $9,000.
Keene prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections
HVAC contractors in Keene, NH
Businesses listed on Google near Keene, NH. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Bergeron Mechanical Systems
5.0(583 reviews)
216 Marlboro St Suite 3, Keene, NH 03431
Triumph Home Services
4.9(114 reviews)
428 Main St Ste 8, Keene, NH 03431
Keating Plumbing & Heating
4.4(150 reviews)
126 Main St, Marlborough, NH 03455
Kierce Heat Pumps and Mechanical LLC
5.0(44 reviews)
355 Fitzwilliam Rd, Richmond, NH 03470
Monadnock Plumbing, Heating and Air Conditioning LLC
5.0(38 reviews)
72 Water St, Marlborough, NH 03455
Brosseau Electric & Brosseau Ductless AC
5.0(32 reviews)
62 Birch Rd, Swanzey, NH 03446