Chotenthetsera mpweya wa air duct flue ndi chipangizo chomwe chimagwiritsidwa ntchito mwapadera kutenthetsa ndi kuchitira mpweya wotulutsa mpweya. Nthawi zambiri imakhala ndi zinthu zotenthetsera, zida zowongolera ndi zipolopolo, ndi zina zambiri, ndipo zitha kugwiritsidwa ntchito kwambiri m'ng'anjo zosiyanasiyana zamafakitale, zotenthetsera, zopangira magetsi ndi malo ena omwe amafunikira kutulutsa mpweya wa flue. Mwa kutentha mpweya wa flue ku kutentha kwina, zinthu zovulaza monga chinyezi, sulfides, ndi nitrogen oxides mu gasi wa flue zingathe kuchotsedwa bwino kuti ayeretse mpweya ndi kuchepetsa kuipitsa.