To provide a storage house capable of suitably reducing oxygen concentration, and a refrigerator using the same.SOLUTION: Provided is a storage house 10A comprising: a storage chamber 12 storing food products; and an oxygen reduction part 20A reducing the oxygen of the storage chamber 12, in which the oxygen reduction part 20A includes: a hydrogen generation part 30 of generating hydrogen by electrochemical reaction; a water tank 50 of feeding raw material to the hydrogen generation part 30; and an oxygen reaction part 40 of reacting the hydrogen generated in the hydrogen generation part 30 with the oxygen in the air in the storage chamber 12.SELECTED DRAWING: Figure 3【課題】適切に酸素濃度を低減できる貯蔵庫およびそれを用いた冷蔵庫を提供する。【解決手段】食品を貯蔵する貯蔵室12と、この貯蔵室12の酸素を減じる減酸素部20Aと、を有する貯蔵庫10Aにおいて、減酸素部20Aは、電気化学反応により水素を生成する水素生成部30と、水素生成部30に原料を供給する水タンク50と、水素生成部30において生成された水素と貯蔵室12内の空気中の酸素とを反応させる酸素反応部40と、を備える。【選択図】図3