DevenC 发表于 2013-12-26 12:49 5 X8 A: c8 [5 d- c, Ewhat happens if there is persistent condensation?) d, A0 |' X' k9 p1 O
blinds and curtains are left open all the time, t ...
* t" u8 D- W% E2 M# cgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.