Geothermal vs. Air-Source Heat Pump: Which Is Right for Your Home in 2026?

Side-by-side comparison of geothermal vs. air-source heat pumps for U.S. homes. Costs, efficiency, climate performance, lifespan, ROI—everything you need to decide. Geothermal vs. Air-Source: Quick Comparison Table Factor Geothermal (GSHP) Air-Source (ASHP) Typical installed cost $18,000–$45,000 $9,000–$20,000 Efficiency (COP) 4.0–5.2 3.0–3.5 (modern cold-climate) Cooling efficiency (EER/SEER2) EER 30+ SEER2 16–22 Cold-climate performance Unchanged (loop is […]
Geothermal Heat Pumps: The Complete 2026 Guide for U.S. Homeowners

What Is a Geothermal Heat Pump? A geothermal heat pump—also called a ground-source heat pump (GSHP)—is a high-efficiency heating and cooling system that transfers heat between your home and the earth. Unlike furnaces, which burn fuel to create heat, or air conditioners, which dump heat into hot outdoor air, a geothermal system simply moves heat […]