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Decoded: Closing Air Vents at Home | HVAC Tips
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壁の通気口：取り外しますか？隙間風を減らしてエネルギーを節約します。
寝室やバスルームの空気の流れが悪い。#hvac #メンテナンス技術者 #noair
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家庭で避けるべき換気の間違い
