刚换FURNANCE 不久，地下室总有砰砰的声音，像是木头裂了似地

[修电脑]

声音时有时无，晚上严重，声音好像是从天花板里面传出来的。谁家有过这种经历，谁知道是什么原因，谢谢

 

[sdzhangtao]

管道的热涨冷缩.正常现象.

 

[ccc]

风道声音.

 

[mgao99]

It is your roof bean cause that noise, day is hot, night is freeze, that will make noisy.

 

[修电脑]

Thanks all for your input. So, in general, it is normal to have this noise, I don't need to worry, right?