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Rheem Water Heating Products
For best heat pump operation, the temperature in your region should average 40 degrees or above. Choose a warm installation site like an attic, garage or basement. Because a heat pump tends to cool the area where they are located, any type of air-source heat pump works more efficiently in a warm location. The heat pump will need 1,000 cubic feet of air space around it (approx. 10x10x10 ft. room).