天气冷,湿度高 you have already answered your own question. It is a common phenomenon. " B" K3 S# X3 w' l: VAsk your builder, they will tell you what exactly run above and make that sound.
. W, k9 N! M; l3 H2 QWe have 类似水滴的声音 from the beginning and been this house for 3 years. 6 t! D6 C, I1 a, Y8 `, v7 z4 YNobody tells us what exactly that is. A city guy can't tell us anything about that. 6 c4 R2 g; Z5 F0 ^* f3 b+ K % a& [7 ]1 x7 J6 l) I2 aThe house is good so far, so we just leave it alone.