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Ladeanimation

Adiabat

An adiabatic system uses no heat transfer between system and environment, despite temperature difference. The insulation is perfect

Air-air heat pumps

Generates heat or cold from the energy contained in air to create the desired room temperature by means of cooling or heating air.

Air-water heat pump

Generates heat or cold from the energy contained in air to create the desired room or water temperature by means of cooling or heating water.

Anergy

Inconvertible part of primary energy

Annual expenditure factor

Reciprocal value of APF

Annual heating energy demand

Energy demand for hot water supply and heating to cover the demand for one year

Annual performance factor (APF)

Indicates the ratio of the produced and required energy of a heating system over a one-year period. In contrast to the COP, consideration is also given to the user behaviour, heated surface and hot water consumption (if serviced by heat pump)

Annual thermal heat demand

Energy demand in kWh for thermal heat to heat the entire living space for one year

Anode

Is used in the hot water tank as protection against corrosion

Anti-interference capacitor

Reduces interferences caused by the use of electronic equipment

Antifreeze

Prevents freezing of the working fluid in a heating system in case of low temperatures

Automatic vent

Ensures automatic air removal from heating system.

Auxiliary energy

Energy that must be supplied to the heat pump to keep it running