2026 Monthly & Annual Utility Breakdown (800 Sq Ft in Washington)
Recommended Equipment Size:1.5 Tons (18,000 BTU)
Washington Residential Electricity / Gas Rate:14¢/kWh | $1.38/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$229/yr ($19/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$220/yr Heat | $9/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$260/yr ($22/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$699/yr ($58/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$3,450
💰 Up to $2,600 Rebate
Compare WA Installer Quotes →
Compare 3 Local Washington HVAC Installer Quotes
Verify 2026 Federal 25C Tax Credit & Puget Sound Energy / Seattle City Light 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 Washington home.
☀️ Offset 14¢/kWh
Model Solar + Heat Pump ROI →
Washington Solar + Heat Pump Net-Zero Calculator
See how an 80%–100% rooftop solar net-metering array eliminates annual electric heating and cooling bills in Washington.