Does anyone have an > 공지사항

I've never thought about it that way, but... I heard that <a href=https://oknaopt.by/osteklenie-balkona-teplimi-plastikovimi-oknami/><font color=#1C1C1C>high-quality windows can significantly affect the noise in the apartment</font></a>. Do you think it's worth investing in PVC windows? And where is the best place to buy them?