4,000 Sq Ft Heating & Cooling Cost in Arizona (2026)

Recommended HVAC Capacity: Dual-Unit 6.0 Tons (72,000 BTU)  |  Utility Rate: 15.4¢/kWh (APS / Salt River Project (SRP))

2026 Monthly & Annual Utility Breakdown (4,000 Sq Ft in Arizona)

Recommended Equipment Size:Dual-Unit 6.0 Tons (72,000 BTU)
Arizona Residential Electricity / Gas Rate:15.4¢/kWh  |  $1.55/therm
Cold-Climate Heat Pump (15-Yr Lifespan):$837/yr ($70/mo)
Winter Heating vs. Summer Cooling Split (Heat Pump):$342/yr Heat  |  $494/yr AC
Natural Gas Furnace + Central AC (18-Yr Lifespan):$989/yr ($82/mo)
Electric Baseboard + Window AC (25-Yr Lifespan):$1,951/yr ($163/mo)
15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$13,110
Customize Insulation, Solar & View 20-Year Lifespan Graph →
🛠️ 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 4,000 sq ft Arizona home.

Size DIY Mini-Split Kit →
☀️ Offset 15.4¢/kWh

Arizona Solar + Heat Pump Net-Zero Calculator

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

Model Solar + Heat Pump ROI →

Compare Other Home Sizes in Arizona