天气冷,湿度高 you have already answered your own question. It is a common phenomenon.) k6 J% B8 C1 z# x' R( L
Ask your builder, they will tell you what exactly run above and make that sound.
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We have 类似水滴的声音 from the beginning and been this house for 3 years. . @* c9 Z3 _1 ?( ]) U% f+ }# W2 G$ qNobody tells us what exactly that is. A city guy can't tell us anything about that. 4 G+ T. J+ X2 [, p2 s9 F. B & O% G- h, W5 g+ Y ]- n/ q4 X. IThe house is good so far, so we just leave it alone.