800 Sq Ft Heating & Cooling Cost in Connecticut (2026)

Recommended HVAC Capacity: 1.5 Tons (18,000 BTU)  |  Utility Rate: 24.3¢/kWh (Eversource / United Illuminating (PURA))

2026 Monthly & Annual Utility Breakdown (800 Sq Ft in Connecticut)

Recommended Equipment Size:1.5 Tons (18,000 BTU)
Connecticut Residential Electricity / Gas Rate:24.3¢/kWh  |  $1.85/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$470/yr ($39/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$440/yr Heat  |  $30/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$421/yr ($35/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$1,417/yr ($118/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$10,605
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🛠️ 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 800 sq ft Connecticut home.

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☀️ Offset 24.3¢/kWh

Connecticut Solar + Heat Pump Net-Zero Calculator

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

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Compare Other Home Sizes in Connecticut