HVAC or (Heating Ventilation and Air Conditioner). is the air regulator that is usually found in the Clean Room system. Sandwich Panel or something else.
HVAC basically functions to maintain ambient air conditions to protect equipment, and personal comfort by regulating ventilation and air conditioning. HVAC stands for Heating, Ventilation, and Air Conditioning. This air conditioning system is an application of several branches of Mechanical Engineering, namely thermodynamics, fluid mechanics, and heat transfer.