How does a HWHP work?

How does a HWHP work?

The heat pump is essentially a refrigerator in reverse. A refrigerator creates and distributes cool air, while expelling the waste heat into the atmosphere. A heat pump works in the opposite manner, by creating and distributing heat into the stored water and expelling cooled air into the atmosphere around it.
Since this process merely concentrates existing heat instead of having to create more, heat pumps reduce annual hot water energy requirements by 50-80% compared to electric-resistive home systems.
Thus, they are considered renewable systems and are eligible for STC rebates.  

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