If there are two Irori fireplaces in a house; a family Irori fireplace, which makes a fire from wood, is used differently from a guest Irori fireplace, which makes a fire from charcoal.
囲炉裏が2つある場合、薪を燃料とした家族の囲炉裏と木炭を燃料とした客人用の囲炉裏とを使い分けることもあった。