天气冷,湿度高 you have already answered your own question. It is a common phenomenon.0 ?& _% Z3 E" _* W
Ask your builder, they will tell you what exactly run above and make that sound.
7 V2 r& q0 g# `# d( w$ G: DWe have 类似水滴的声音 from the beginning and been this house for 3 years. v; ~# l$ o2 G; I& k
Nobody tells us what exactly that is. A city guy can't tell us anything about that. & R5 b$ c% D1 Z! l; ?# Z6 E 2 [" M/ j$ K0 j2 N! oThe house is good so far, so we just leave it alone.