DevenC 发表于 2013-12-26 12:49 3 F& ~* C& L$ A! N- K2 |# l
what happens if there is persistent condensation?6 j( x- i: {9 } j7 ^) w$ N
blinds and curtains are left open all the time, t ...
; O' J% o% e" Cgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.