babalala001 发表于 2013-12-25 14:32 1 ]: d' t3 e$ `5 D f1 v" W同问。
) ^6 f: e. e1 U: T7 G* dThe window covering does not increase any insulating R-value, but prevent indoor air movement. Condensation is the major problem.
DevenC 发表于 2013-12-26 12:49 . ?3 n) M8 K& b2 ywhat happens if there is persistent condensation?: U: h2 \0 T) t
blinds and curtains are left open all the time, t ...
) |) E# ?0 ?% }, Kgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.