Their sole intent is to control air high-quality, temperature and humidity and then circulate that air during the process. AHU’s generally use ductwork to press the air they create through the facility. 2nd, suitable ventilation dilutes airborne contaminants and may lessen the chance of sicknesses spreading among the area's occupants. https://allbookmarking.com/story18426155/an-unbiased-view-of-ac-pdu