2026 Monthly & Annual Utility Breakdown (3,000 Sq Ft in Washington)
Recommended Equipment Size:4.5–5.0 Tons (60,000 BTU)
Washington Residential Electricity / Gas Rate:14¢/kWh | $1.38/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$859/yr ($72/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$826/yr Heat | $34/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$976/yr ($81/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$2,620/yr ($218/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$22,815
💰 Up to $2,600 Rebate
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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 4.5–5.0-Ton system (3,000 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 3,000 sq ft Washington home.
☀️ Offset 14¢/kWh
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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.