天气冷,湿度高 you have already answered your own question. It is a common phenomenon.( F+ G! R* }6 C1 i1 d- K. C
Ask your builder, they will tell you what exactly run above and make that sound.
! L* ^1 B: I# y% K; q
We have 类似水滴的声音 from the beginning and been this house for 3 years. , q/ |1 C6 Y9 H; P9 sNobody tells us what exactly that is. A city guy can't tell us anything about that. 8 ]" }4 p. @% d3 F7 Y! Y6 `( A5 N" e/ V- Z9 C2 p) F
The house is good so far, so we just leave it alone.