AHAT1-623, consists of a turbine capacity of 6,000 m3/h, a heat exchanger of 20kW and a cold power switch of 30kW. It has built-in drop eliminator and condensate drain. The inlet air is filtered by an interchangeable G4 class filter, and the inlet and recirculation air flow control is carried out by 800×800 and 600x600mm dumpers.