IECC Zone 6A (south); 6A-7 (north)

Mini Splits & Heat Pumps in New Hampshire

New Hampshire is cold and heating-dominant — Manchester winters see sustained stretches in the teens, northern NH (Berlin, Colebrook) can drop to -20°F. Summers are mild. Oil and propane heat are still common and make heat pump retrofits highly cost-effective.

Climate Zone
6A (south); 6A-7 (north)
Cooling Degree Days
300–600
Heating Degree Days
6,500–8,500
Dominant Load
heating

What Works in New Hampshire

Cold-climate heat pumps (-13°F rated) are the default. NHSaves offers rebates up to $10,000 for whole-home heat pump conversions, stackable with federal 25C. Displacing oil heat has the best payback math in New England.

MrCool Hyper Heat

New Hampshire Rebates & Incentives

NHSaves is the main utility incentive program. HEEHRA adds income-tier bonuses. Federal 25C stacks.

Major Utilities
  • Eversource
  • Unitil
  • Liberty Utilities
  • New Hampshire Electric Cooperative

New Hampshire Licensing & Install Rules

New Hampshire requires a gas fitter license for gas work; HVAC-only is less regulated. Homeowner DIY on primary residence is permitted.

Top New Hampshire Metro Areas

We ship to every ZIP in New Hampshire. Largest metros where we deliver most often:

Manchester, NH
Nashua, NH
Concord, NH
Derry, NH
Dover, NH

Recommended for New Hampshire Homes

Heat pumps and mini splits in our catalog that match Climate Zone 6A (south); 6A-7 (north) conditions.

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