DevenC 发表于 2013-12-26 12:49 9 V) |; K6 N% M8 lwhat happens if there is persistent condensation?$ u* U1 o% S" N" I
blinds and curtains are left open all the time, t ...
0 o* h( e8 V. j% x7 ?% I6 s1 wgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.