Cold Dryer ke khutsufatso ea mochini o omisang serame, se omisitsoeng se batang ke kenyelletso ea theknoloji e ncha, ke ea sistimi ea moea ea likarolo tsa kalafo ea mohloli oa moea.Mocheso o fapanyetsanoa pakeng tsa sehatsetsi le Moea o Hatelitsoeng ho fokotsa mocheso oa moea o Hatelitsoeng ho ea boemong ba phoka ho tloha ho 2 ho isa ho 10 °C.Ho ea ka molao-motheo oa leqhoa le Dehumidification, mocheso oa moea o hatelitsoeng o fapanyetsanoa ka evaporator, e hatelitsoeng Air condenses metsi a gaseous ho metsi a metsi, a tsoang mochine ka mochine o arolang metsi a khase.Mocheso o fapanyetsanoa pakeng tsa sehatsetsi le Moea o Hatelitsoeng ho fokotsa mocheso oa moea o Hatelitsoeng ho fihlela mocheso oa phoka o pakeng tsa 2 °C le 10 °C.