babalala001 发表于 2013-12-25 14:32 - d' R/ u8 e* A2 k; w9 Q0 Z
同问。
; H. X( S9 x4 N7 G( G" X J" JThe 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 : u! X( Q4 b6 r; Z4 j7 h( [% A* {what happens if there is persistent condensation?( [, p' k) {" K3 c! f4 P
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.