Geothermal vs. Air Source Heat Pumps: Which Is Right for Your Home?
Quick answer: Air source heat pumps cost less upfront ($8,000–$18,000 installed) and are easier to retrofit, while geothermal (ground source) heat pumps cost more ($18,000–$45,000) but deliver higher, steadier efficiency, lower running costs, and a 25–50+ year lifespan. Geothermal wins on long-term value and cold-climate performance; air source wins on affordability and speed of installation. […]