1,800 Sq Ft Heating & Cooling Cost in New Hampshire (2026)

Recommended HVAC Capacity: 3.0 Tons (36,000 BTU)  |  Utility Rate: 26.2¢/kWh (Eversource NH / Liberty Utilities)

2026 Monthly & Annual Utility Breakdown (1,800 Sq Ft in New Hampshire)

Recommended Equipment Size:3.0 Tons (36,000 BTU)
New Hampshire Residential Electricity / Gas Rate:26.2¢/kWh  |  $1.9/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$1,378/yr ($115/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$1,330/yr Heat  |  $49/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$1,167/yr ($97/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$4,209/yr ($351/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$38,865
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DIY Pre-Charged Ductless Mini-Split Kits

Avoid $3,500+ in ductwork labor. Calculate exact multi-zone mini-split BTU capacity for your 1,800 sq ft New Hampshire home.

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☀️ Offset 26.2¢/kWh

New Hampshire Solar + Heat Pump Net-Zero Calculator

See how an 80%–100% rooftop solar net-metering array eliminates annual electric heating and cooling bills in New Hampshire.

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Compare Other Home Sizes in New Hampshire