( N* w# I7 u% U2 a: v% 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 / Z s! g. T+ J; m A0 z" f6 ~# T8 a
what happens if there is persistent condensation?2 k, C# p& D! T% m+ n) M% s1 X
blinds and curtains are left open all the time, t ...
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good question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.