Hoʻolālā ʻia ka pahu alumini acoustic ea alumini no ka ʻōnaehana ea hou a i ʻole ʻōnaehana HVAC, i hoʻopili ʻia ma ka hopena o ka lumi.No ka mea, hiki i kēia acoustic air duct ke hoʻohaʻahaʻa loa i ka walaʻau mechanical i hana ʻia e nā mea hoʻoulu, nā mea pā a i ʻole nā ea ea a me ka leo makani i hana ʻia e ke kahe o ka ea i ka pipeline;I hiki i nā lumi ke noho mālie a ʻoluʻolu i ka wā e paʻa ai ka ʻōnaehana ea hou a i ʻole ʻōnaehana HVAC.Pono ka ʻea acoustic ea no kēia mau ʻōnaehana.