Wuri da muhallin iskar da ke fitar da iska a cikin ma'ajiyar sanyi zai shafi aikinsa. Gabaɗaya, fanka kusa da ƙofar ajiyar sanyi yana da saurin kamuwa da sanyi. Domin yanayinta yana bakin kofa ne, sai iskar zafi ke fita a wajen kofar idan an bude kofar, idan ta ci karo da fanka, sai taso da sanyi, ko ma kankara. Duk da cewa fan na iya yin zafi da sanyi ta atomatik a lokaci-lokaci, idan ana buɗe ƙofar akai-akai, lokacin buɗewa ya yi tsayi sosai, kuma lokaci da adadin shigar iska mai zafi yana da tsayi, tasirin daskarewa na fan ba shi da kyau. Saboda lokacin daskarewa na fan ba zai iya yin tsayi da yawa ba, in ba haka ba za a rage lokacin sanyi sosai, tasirin firiji ba zai yi kyau ba, kuma ba za a iya tabbatar da zafin jiki na ajiya ba. A wasu ma’ajiyar sanyi, saboda yawan kofofi, mitar budewa ya yi yawa, lokaci ya yi yawa, babu matakan kariya a kofar, sannan kuma babu bangon bango a cikin kofar, ta yadda sanyi da iska mai zafi ke tafiya tsakanin ciki da waje ana musayar kai tsaye, kuma na’urar sanyaya da ke kusa da kofar za ta fuskanci matsaloli masu tsanani. Matsalar sanyi.