Heat exchanger zvakare inonzi muchina wekutamisa kupisa, ndicho chishandiso chinogona kutamisa kumwe kupisa kubva kumvura inopisa kuenda kumvura inotonhora.Ndiyo midziyo yakakosha yekuwana kupisa kwekuchinja uye kutamisa panguva yekugadzira.Ndiyo evaporator iyo mvura inotonhora inoyerera muchubhu uye refrigerant inobuda mugoko.Ndiyo imwe yemhando huru dzefiriji unit inotonhorera yechipiri refrigerant.Iyo inowanzo tora yakachinjika mhando, ine hunhu hwekushanda kupisa kupisa, compact chimiro, diki inogarwa nzvimbo uye nyore kuisirwa etc.