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

Recommended HVAC Capacity: 1.5 Tons (18,000 BTU)  |  Utility Rate: 34.7¢/kWh (PG&E / SCE / SDG&E (CPUC))

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

Recommended Equipment Size:1.5 Tons (18,000 BTU)
California Residential Electricity / Gas Rate:34.7¢/kWh  |  $2.15/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$316/yr ($26/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$231/yr Heat  |  $85/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$267/yr ($22/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$871/yr ($73/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$4,725
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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 California home.

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☀️ Offset 34.7¢/kWh

California Solar + Heat Pump Net-Zero Calculator

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

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Compare Other Home Sizes in California