Geothermal (COP 4.2) vs. Air-Source Heat Pump in District of Columbia (2026)

15-to-25 Year Equipment Lifespan & Utility Payback at 24¢/kWh (Pepco DC)

Head-to-Head Lifespan & Operating Cost Comparison (2,000 Sq Ft in District of Columbia)

Option A: Geothermal Ground-Source (25-Yr Unit / 50-Yr Loop)Install: $18,500 | Lifespan: 25 Yrs
Option A Annual & Monthly Utility Bill:$683/yr ($57/mo)
Option A 15-Year Total Cost (Install + 15 Yrs Bills):$28,745
Option B: Air-Source Heat Pump (15-Yr Lifespan)Install: $6,800 | Lifespan: 15 Yrs
Option B Annual & Monthly Utility Bill:$923/yr ($77/mo)
Option B 15-Year Total Cost (Install + 15 Yrs Bills):$20,645
District of Columbia Tariff & Break-Even Threshold:24¢/kWh Elec | $1.65/therm Gas (Break-Even: 19.0¢/kWh)
15-Year Net Lifespan Verdict in District of Columbia:Air-Source Heat Pump saves $8,100 over 15 years
Interactive Geothermal (COP 4.2) vs. Air-Source Heat Pump Graph in District of Columbia →
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DIY Pre-Charged Ductless Mini-Split Kits

Avoid $3,500+ in ductwork labor. Calculate exact multi-zone mini-split BTU capacity for your 2,000 sq ft District of Columbia home.

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District of Columbia Solar + Heat Pump Net-Zero Calculator

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

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