Lokacin rani shine lokacin kololuwar lokacin amfani da wutar lantarki, kuma sauye-sauye ko ƙarancin wutar lantarki na iya haifar da chillers don haifar da ƙararrawa masu zafi, yana shafar aikin sanyaya su. Anan akwai cikakkun jagororin don warware batun yadda ya kamata na yawan ƙararrawar zafi mai zafi a cikin sanyi lokacin zafi mai zafi.