$ }- Z8 w8 N4 s) Y% G: Z* L9 ^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 % o- k; X6 _5 Y' Zwhat happens if there is persistent condensation? ; V. r& o0 K/ z6 @( bblinds and curtains are left open all the time, t ...
4 Q6 B8 N6 L m+ I) ]
good question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.