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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).
Before buying, evaluate these technical and site-specific factors:
Geothermal works best with existing air duct systems. If your home uses radiators (hydronic), you may need specialized models.
Best for small yards; pipes go 100–400 feet deep.
Cheaper but require significant land area for trenches 4–6 feet deep.
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).
Before buying, evaluate these technical and site-specific factors:
Geothermal works best with existing air duct systems. If your home uses radiators (hydronic), you may need specialized models.
Best for small yards; pipes go 100–400 feet deep.
Cheaper but require significant land area for trenches 4–6 feet deep.
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