DevenC 发表于 2013-12-26 12:49 * N" X9 g# V$ W. `* H1 x9 N) Uwhat happens if there is persistent condensation? 9 A' a9 a' p( zblinds and curtains are left open all the time, t ...
1 J6 @. o" F6 |. r" d& F" Ggood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.