Head-to-Head Lifespan & Operating Cost Comparison (2,000 Sq Ft in Guam)
Option A: Geothermal Ground-Source (25-Yr Unit / 50-Yr Loop)Install: $18,500 | Lifespan: 25 Yrs
Option A Annual & Monthly Utility Bill:$517/yr ($43/mo)
Option A 15-Year Total Cost (Install + 15 Yrs Bills):$26,255
Option B: Air-Source Heat Pump (15-Yr Lifespan)Install: $6,800 | Lifespan: 15 Yrs
Option B Annual & Monthly Utility Bill:$689/yr ($57/mo)
Option B 15-Year Total Cost (Install + 15 Yrs Bills):$17,135
Guam Tariff & Break-Even Threshold:34¢/kWh Elec | $2.9/therm Gas (Break-Even: 33.3¢/kWh)
15-Year Net Lifespan Verdict in Guam:Air-Source Heat Pump saves $9,120 over 15 years
💰 Up to $2,600 Rebate
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Compare 3 Local Guam HVAC Installer Quotes
Verify 2026 Federal 25C Tax Credit & Guam Power Authority (GPA) rebate eligibility and compare turnkey contractor pricing for a 3.0-Ton system (2,000 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 2,000 sq ft Guam home.
☀️ Offset 34¢/kWh
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Guam Solar + Heat Pump Net-Zero Calculator
See how an 80%–100% rooftop solar net-metering array eliminates annual electric heating and cooling bills in Guam.
Other HVAC System Matchups in Guam
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