DevenC 发表于 2013-12-26 12:49 $ I A8 r% a! ywhat happens if there is persistent condensation? % h- T. g2 F. pblinds 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.