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HPWHs work like a refrigerator, but in reverse. While a refrigerator pushes heat from inside the unit out to the air around it, a HPWH uses fans and an evaporator to pull warmth from the surrounding air and transfers it to water in the storage tank. Because it uses the warm ambient air temperature to do most of the work, it is a very efficient way to heat water.
Considerations when determining if a HPWH is right for you:
*Source: Hotwatersolutionsnw.org, based on 10-year lifetime warranty
If you purchased a HPWH prior to June 1, 2018, or from a non-participating retailer, click here for details on qualifications and rebate form.