How it Works — Heat Pump Water Heaters (HPWHs)

How it Works — Heat Pump Water Heaters (HPWHs)

It's generally easier to move something than to make something. Putting that principle to use, HPWHs use electricity to move heat from one place to another instead of generating heat directly. To understand the concept of heat pumps, imagine a refrigerator working in reverse.

Advanced Water Heating Initiative - New Buildings Institute

How it Works — Heat Pump Water Heaters (HPWHs)

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