回複：我家有個也封口，天冷室內暖汽會從那裏往外包跑，燒壁爐不會增加多少熱能，等於燒錢

來源: 於 2012-01-05 09:59:27 [舊帖] [給我悄悄話] 本文已被閱讀：次

you are talking about the old style furnace, the new furnace will heat up your whole house with fan carry the hot air around