L; b; ]0 v! q2 H& `: k u4 ZThe 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, ?4 E( a: H% Z7 p6 p1 cwhat happens if there is persistent condensation? 6 p$ z5 t5 Q f( m. yblinds 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.