Geothermal (COP 4.2) vs. Air-Source Heat Pump in Rhode Island (2026)

15-to-25 Year Equipment Lifespan & Utility Payback at 30.1¢/kWh (Rhode Island Energy)

Head-to-Head Lifespan & Operating Cost Comparison (2,000 Sq Ft in Rhode Island)

Option A: Geothermal Ground-Source (25-Yr Unit / 50-Yr Loop)Install: $18,500 | Lifespan: 25 Yrs
Option A Annual & Monthly Utility Bill:$1,076/yr ($90/mo)
Option A 15-Year Total Cost (Install + 15 Yrs Bills):$34,640
Option B: Air-Source Heat Pump (15-Yr Lifespan)Install: $6,800 | Lifespan: 15 Yrs
Option B Annual & Monthly Utility Bill:$1,456/yr ($121/mo)
Option B 15-Year Total Cost (Install + 15 Yrs Bills):$28,640
Rhode Island Tariff & Break-Even Threshold:30.1¢/kWh Elec | $1.98/therm Gas (Break-Even: 22.8¢/kWh)
15-Year Net Lifespan Verdict in Rhode Island:Air-Source Heat Pump saves $6,000 over 15 years
Interactive Geothermal (COP 4.2) vs. Air-Source Heat Pump Graph in Rhode Island →
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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 Rhode Island home.

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☀️ Offset 30.1¢/kWh

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