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Heat pump
A heat pump is a system that can both cool, heat, and dehumidify air in a room, depending on the demand.
Heat recovery
A great part of energy consumption in a ventilation system goes to heating outside air.
Heat rejection
Heat rejection is the excess heat from a cooling system which is removed by the condenser/cooling tower.
Heat requirement
A building’s heat requirement need is calculated based on its estimated heat exchange with the surroundings and the building’s users.
Heat transfer fins
Fins are used on all air coolers, dry coolers, evaporators and condensers that transfer energy from a liquid media to air or from air to liquid.
Heating surface
The heating surface can be an integrated part of the AHU, or be placed directly in the air intake duct.
HFC (Hydrofluorocarbon)
HFC as a refrigerant does not contribute to the breakdown of the ozone layer, but contributes to the greenhouse effect.
Hot water
Domestic hot water denotes the hot water that is used in a home for showering, washing, etc.
Hot water circulation
Domestic hot water in pipes will cool due to heat loss when there has not been a withdrawal for quite some time.
Hot water exchanger
A hot water exchanger is used in production of domestic hot water.