Code of design of heating ventilation and air conditioning 并列题名：Code of design of heating ventilation and air conditioning Code for Design of Heating Ventilation and Air Conditioning Digital design of refrigeration and air conditioning Design guide for evaporative ventilation and air conditioning system Heating ventilating & air conditioning Code of acceptance for construction quality of ventilation and air conditioning works Standard for construction quality of ventilation and air conditioning works Design code for heating ventilation and air conditioning of civil buildings Automotive heating and air conditioning