You can claim an uncapped 30% tax credit on the total cost of a qualified geothermal system, including installation, through December 31, 2032. This is part of the Residential Clean Energy Tax Credit .
Cheaper but require significant land area for trenches 4–6 feet deep.
Before buying, evaluate these technical and site-specific factors:
Unlike air-source heat pumps, geothermal units remain highly efficient even in temperatures well below zero because they rely on stable ground temperatures (approx. 50°F).
The indoor unit typically lasts 20–25 years , while the underground loop can last 50+ years .
