天气冷,湿度高 you have already answered your own question. It is a common phenomenon. ! ?/ r$ D! b& [, P! cAsk your builder, they will tell you what exactly run above and make that sound.
+ j- b7 g; C: g/ E5 s8 ]$ p/ QWe have 类似水滴的声音 from the beginning and been this house for 3 years. 6 n9 F* V; U- C5 q! ?: U: VNobody tells us what exactly that is. A city guy can't tell us anything about that.. k4 `! i. X- w5 h0 P" c
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The house is good so far, so we just leave it alone.