Birashoboka ko umaze imyaka myinshi ukoresha firigo kandi ukaba utazi kuyikoresha neza, uyumunsi urashobora kwiga gukoresha firigo neza muriyi ngingo ihuza ibitekerezo byimpuguke nyinshi.
1.Nubwo frigo nyinshi zifite ubushyuhe bwerekana, nibyiza ko ugumana ibipimo bya termometero kugirango ubone igitekerezo cyukuri cyubushyuhe bwimbere.
2. Ubushyuhe bwiza bwa firigo ya firigo ni dogere selisiyusi 0-4. Ubushyuhe bukabije burashobora kubika bagiteri zangiza ibiryo, mugihe ubushyuhe buke cyane bushobora gutuma amazi mubiryo akonja.