Low zazzabi high zafi defrosting dakin sanye take da refrigeration tsarin, dumama tsarin, humidification tsarin da wurare dabam dabam tsarin.Ka'idar aiki ita ce amfani da ƙarancin zafin jiki da iska mai zafi don busa samfuran daidai gwargwado.Ana sarrafa zafin jiki na narke, zafi da lokaci a cikin matakai ta hanyar tsarin kula da PLC, wanda ke sa samfuran su narke a ƙarƙashin yanayi tare da zafin jiki da zafi.Ƙarƙashin zafin jiki mai zafi mai zafi ana amfani da shi musamman don shafe naman daskararre.Idan aka kwatanta da sauran hanyoyin narke, ƙananan ɗakin narkewar zafin jiki yana da ƙarin gurɓataccen giciye da ƙarancin asarar ruwa.