The only way to eliminate the noise is to isolate the ducts and pipes from the wood framing. - This is true again!!
Siyaasada Kaliya ee Lagaga Bixi karo Saboolnimada iyo Abaaraha Soo Noq-noqda !! iyamaa Garaabis leh Beeraleyda iyo Raacatada Xoolaha ee Rafaadsan !!