Double Skin Air Handling Unit is hooked up with outdoor condensing units by using interconnecting copper piping and various valves to control the flow of refrigerant gas. The Air Handling Unit is available in various tonnages ranging from 1.5 TR to 34 TR in different combinations. The Air Handling Unit is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service. Double Skin Air Handling Unit is strong and rigid in construction and requires minimal maintenance.