by humidification; by dehumidification

Introduced: September 1968

Last revised: January 2006

Full Title

Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems > characterised by the treatment of the air otherwise than by heating and cooling > by humidification; by dehumidification

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: HEATING; RANGES; VENTILATING
Subclass:: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING

Related Keywords

air-conditioning including HUMIDIFYINGMOISTENING in air conditioning systems

2 direct subcodes

Child Classifications

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F24F 3/147 with both heat and humidity transfer between supplied and exhausted air
F24F 3/153 with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature