2026 Monthly & Annual Utility Breakdown (800 Sq Ft in Montana)
Recommended Equipment Size:1.5 Tons (18,000 BTU)
Montana Residential Electricity / Gas Rate:13.5¢/kWh | $1.15/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$344/yr ($29/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$335/yr Heat | $10/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$339/yr ($28/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$1,054/yr ($88/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$7,050
💰 Up to $2,600 Rebate
Compare MT Installer Quotes →
Compare 3 Local Montana HVAC Installer Quotes
Verify 2026 Federal 25C Tax Credit & NorthWestern Energy rebate eligibility and compare turnkey contractor pricing for a 1.5-Ton system (800 sq ft).
🛠️ Save 45% on Install
Size DIY Mini-Split Kit →
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 Montana home.
☀️ Offset 13.5¢/kWh
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Montana Solar + Heat Pump Net-Zero Calculator
See how an 80%–100% rooftop solar net-metering array eliminates annual electric heating and cooling bills in Montana.