Heat Pump in Cold Weather: Low Limits, Defrost Mode and Backup Heat
Most standard heat pumps heat well down to about 25 to 30°F, and cold-climate models keep working far below 0°F. See how defrost and backup heat work.
Most standard heat pumps heat well down to about 25 to 30°F, and cold-climate models keep working far below 0°F. See how defrost and backup heat work.
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