Technical Explainers
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How Long Does a Geothermal Heat Pump Last? 25-Year Lifespan Reality
A residential geothermal heat pump lasts 20–25 years for the indoor heat pump unit and 50+ years for the buried ground loop. The loop typically outlasts two or three indoor…
by GeothermalFinder Editorial TeamMay 7 No comments -
Geothermal Heat Pump Sizing: How to Calculate the Right Tonnage
Geothermal heat pump sizing means matching the unit's BTU/hr capacity to your home's heating and cooling load. The common starting point is 1 ton (12,000 BTU/hr) per 400–600 sq ft…
by GeothermalFinder Editorial TeamMay 7 No comments -
How Cold Is It 6 Feet Underground? Soil Temperature & Geothermal Loops
How Cold Is It 6 Feet Underground? At 6 feet (1.8 m) underground, soil temperature stays roughly within ±5°F (3°C) of your local average annual air temperature year-round. In the…
by GeothermalFinder Editorial TeamMay 6 No comments -
Geothermal Heat Pump Maintenance: The Annual Homeowner Checklist (With Costs)
Geothermal heat pump systems are among the most efficient and durable heating and cooling technologies available to homeowners. Per the U.S. EPA's ENERGY STAR program, ground-source heat pumps (GSHPs) reduce…
by GeothermalFinder Editorial TeamApr 11 No comments -
Geothermal Site Assessment: Soil Testing, Lot Size, and What Installers Actually Check
Most US residential properties can accommodate a ground-source heat pump in some configuration, but the loop type, depth, and total cost depend on conditions that only a site visit can…
by GeothermalFinder Editorial TeamMar 28 No comments




