Heat Pumps in Portsmouth, NH

Portsmouth, New Hampshire homeowners switching from oil & propane to a heat pump can save approximately $1,950 per year on heating costs. The local utility, Eversource Energy (NH), charges $0.20/kWh for residential electricity. A heat pump replaces both your furnace and air conditioner, providing year-round heating and cooling at a fraction of the cost.

Cold winters with design temps of -5°F to -10°F in northern areas. Cold-climate heat pumps (ENERGY STAR Cold Climate certified) are essential. Only R-32 or R-454B refrigerant systems qualify for NHSaves rebates in 2026. Cold-climate heat pumps (ccASHP) are essential for Portsmouth — standard models lose significant capacity below 20°F. We recommend Mitsubishi Hyper-Heat and Fujitsu Halcyon XLTH for this area.

The NHSaves rebate covers up to $1,250 of installation costs. Eversource Energy (NH) adds another $2,500 utility rebate on top. The federal 25C heat pump tax credit expired at the end of 2025, making these state and utility incentives more important than ever.

NuWatt Energy installs heat pumps directly in Portsmouth — no subcontractors. We handle the full process: sizing assessment, equipment selection, installation, and all NHSaves rebate applications. Pair with solar to reduce your heat pump operating costs to near zero.