Technical Booklet F1 Conservation of Fuel and Power in Dwellings·Page 8·7(6)
Heat pump definition
Defines a heat pump as a machine, device or installation that transfers heat from natural surroundings to buildings by reversing the natural flow of heat, and may also transfer heat from buildings back to natural surroundings in reversible systems.
"Heat pump" means a machine, a device or installation that transfers heat from natural surroundings such as air, water or ground to buildings or industrial applications by reversing the natural flow of heat such that it flows from a lower to a higher temperature. (For reversible heat pumps, it may also move heat from the building to the natural surroundings.);
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