Guryaha hawo-mareenka kuleylka kuleylka qaboojiyaha kuleylka waa hal nooc oo muhiim ah oo ka mid ah nidaamyada HVAC, oo bixiya xalal dhammaystiran oo kuleyliyaha, qaboojinta iyo sahayda biyaha kulul ee fayadhowrka ee labada qoys iyo sidoo kale guryaha ganacsiga ...