Well if your old 75k has been sufficient then the new 96% 75k sh

来源: borisg 于 2014-01-13 12:49:14 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (150 bytes)

To have one exceeds the need is actually not better, because the furnace runs shorter and more frequent cycles. This will reduce the life of the unit.

请您先登陆，再发跟帖！