babalala001 发表于 2013-12-25 14:32 $ d. } I, n. ]% W3 s
同问。
4 `& f% I+ {; p3 R J. j9 [The 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 4 B8 r% Y: ~+ f! O" k( ]what happens if there is persistent condensation? . a2 M# s* W9 f# \ j# a+ Ablinds and curtains are left open all the time, t ...
0 U( G% o, ^: r. A) y; u& Ogood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.