3,000 Sq Ft Heating & Cooling Cost in New Hampshire (2026)

Recommended HVAC Capacity: 4.5–5.0 Tons (60,000 BTU)  |  Utility Rate: 26.2¢/kWh (Eversource NH / Liberty Utilities)

2026 Monthly & Annual Utility Breakdown (3,000 Sq Ft in New Hampshire)

Recommended Equipment Size:4.5–5.0 Tons (60,000 BTU)
New Hampshire Residential Electricity / Gas Rate:26.2¢/kWh  |  $1.9/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$2,297/yr ($191/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$2,216/yr Heat  |  $81/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$1,945/yr ($162/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$7,016/yr ($585/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$67,185
Customize Insulation, Solar & View 20-Year Lifespan Graph →
🛠️ Save 45% on Install

DIY Pre-Charged Ductless Mini-Split Kits

Avoid $3,500+ in ductwork labor. Calculate exact multi-zone mini-split BTU capacity for your 3,000 sq ft New Hampshire home.

Size DIY Mini-Split Kit →
☀️ 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.

Model Solar + Heat Pump ROI →

Compare Other Home Sizes in New Hampshire