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

Recommended HVAC Capacity: 1.5 Tons (18,000 BTU)  |  Utility Rate: 14.2¢/kWh (Entergy Mississippi / MS Power)

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

Recommended Equipment Size:1.5 Tons (18,000 BTU)
Mississippi Residential Electricity / Gas Rate:14.2¢/kWh  |  $1.42/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$158/yr ($13/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$104/yr Heat  |  $54/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$184/yr ($15/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$419/yr ($35/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$315
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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 Mississippi home.

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☀️ Offset 14.2¢/kWh

Mississippi Solar + Heat Pump Net-Zero Calculator

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

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Compare Other Home Sizes in Mississippi