天气冷,湿度高 you have already answered your own question. It is a common phenomenon.& |* s' }$ P M9 V1 d9 ~6 N, Y; s
Ask your builder, they will tell you what exactly run above and make that sound.
& Y v5 a+ z* K1 \' R6 PWe have 类似水滴的声音 from the beginning and been this house for 3 years. ; W ^% Q' e8 q9 s- Z: e! a! y
Nobody tells us what exactly that is. A city guy can't tell us anything about that.0 p, w$ D9 v8 s8 B) ~. i( m
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The house is good so far, so we just leave it alone.