This drawing is the HVAC design plan of a hotel, which mainly includes the air-conditioning and ventilation design and construction instructions, the first floor air-conditioning plan, the first floor mezzanine air-conditioning plan, the second floor air-conditioning plan, the third floor air-conditioning plan, the fourth floor air-conditioning plan, the fifth floor air-conditioning plan, the first floor ventilation plan, the first floor mezzanine ventilation plan, the second floor ventilation plan Ventilation plan of the third floor