babalala001 发表于 2013-12-25 14:32 8 F' X$ S4 Q4 B! I6 A' @同问。
; i# U) r I. t! _% e: pThe 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 9 k2 a% z8 ~' t
what happens if there is persistent condensation? , k- U& P& y/ T. fblinds 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.