DevenC 发表于 2013-12-26 12:49 " m, ?+ M' R7 U5 a) A2 ~
what happens if there is persistent condensation?5 ?; u4 }. Y5 R, P
blinds and curtains are left open all the time, t ...
, C' E* [0 [7 H! e0 Vgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.