babalala001 发表于 2013-12-25 14:32 - m, G6 V8 K K3 x# E: p3 h同问。
9 I* }# Y1 A5 a7 ]1 n ~# p5 ~' aThe 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, {9 y- \' ]what happens if there is persistent condensation? 8 r1 H: f8 V9 i1 vblinds and curtains are left open all the time, t ...
( f9 k) ^1 R; g6 P. q6 Pgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.