Kuzizira evaporator koyilo ndi oyenera refrigerants zosiyanasiyana monga R22, R134A, R32, R290, R407c, R410a etc. Mpweya woziziritsa wa evaporator koyilo, amatchedwanso evaporator pachimake, ndi mbali ya dongosolo limene refrigerant imatenga kutentha kuchokera mpweya mkati. kunyumba.Ndiko kuti, ndi kumene mpweya wozizira umachokera.Nthawi zambiri imakhala mkati mwa AHU.Zimagwira ntchito ndi koyilo ya condenser kuti amalize kusinthana kwa kutentha komwe kumatulutsa mpweya wabwino.