DevenC 发表于 2013-12-26 12:49 L: n+ C( H+ C* M9 k! Z
what happens if there is persistent condensation? 8 ?5 F m) s1 i6 E4 B( sblinds and curtains are left open all the time, t ...
8 o- w" v1 B% M( i- R9 {good question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.