DevenC 发表于 2013-12-26 12:49 z# _5 c; i! F/ P# R% \what happens if there is persistent condensation? & S( |% f4 g. B' \blinds and curtains are left open all the time, t ...
) d6 S$ w" D" X# u) e1 L, pgood question. it means your indoor humidity is too high. many reasons: cooking, air leakage, rh too high, or insulation problem around your windows.