Heat Pump Water Heaters

Topics:
Construction Services and Home Improvement,
Mechanical and Industrial
Tags:
NAHB Research Center,
Temperature
Source:
NAHB Research Center

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Overview: Heat pumps seemingly defy the laws of physics. They take heat from a low temperature source and, with efficiencies of 200 to 300 percent, raise its temperature. A heat pump works like a refrigerator in reverse. While refrigerators take heat from inside a box and dump that heat to a surrounding room, heat pump water heaters take heat from a room and dump that heat (at a higher temperature) in a tank to heat water. Heat pumps have traditionally been used for space conditioning, but are now also being used for electric water heating.

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