Heat pump
device · 1856 · Industrial Revolution
Moves heat from cold to warm at the cost of work.
What it is made of
- Compressor — has part. A compressor.
Principles and materials it uses
- Vapour-compression cycle — uses. The same cycle as in a refrigerator.
- Copper — is made of. The heat exchanger tubes are copper.
- Thermodynamics — uses. A heat pump moves heat from cold to warm by spending work — by the laws of thermodynamics.
Where it is used
- Tumble dryer — is part of. Heat-pump models.
- Energy-efficient house — is used in. Heating.
- Air conditioner — is used in. An air conditioner is a heat pump that carries heat out of the room.
Things built in a similar way
- Refrigerator — works like. A heat pump is a refrigerator that heats the house.