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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 8 H' [8 J/ I, B0 lwhat happens if there is persistent condensation? 4 _. g* G/ M2 W z" ublinds and curtains are left open all the time, t ...
0 L$ D7 D2 \5 Wgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.