Asking for help to fix the problem with the ventilation system at home, making strange noise

Shouhui Zhao 10: 44 am (10 minutes ago) to post, (info fjernet)7 Hei, i've got trouble with the ventilation system in my room. It has been making a lot of strange noises recently. i live in Michael63, 5057, Bergen, Can you help me fix the trouble as soon as you can? Thanks and await your soonest response. Shouhui znao