• Study & Design Room Ventilation, Re-circulation, with variety type & appropriate of fan unit & air conditional capacity. 
• Study and propose compatible or suitable air treatment units for HVAC room such as activated carbon for V.O.C treatment before exhaust to building or recirculate back with fresh air intake.

Job references:

• Air Conditioning duct system, Exhaust and ventilation system, Car park exhaust & smoke spill system.
• Modification of air conditioning duct at Paint shop, & fume extraction refurbishment, humidifier and static control system at paint shop raise-up platform, servicing of fan, and ducting.
• Roof Ventilation, clean room and exhaust system.