Chowotchera chotenthetsera ndi gawo la makina otenthetsera omwe amachititsa kuyendetsa mpweya kudzera mu ductwork kuti agawire mpweya wotentha mumlengalenga. Nthawi zambiri imapezeka m'ng'anjo, mapampu otentha, kapena mayunitsi otenthetsera mpweya. Chowotcha chotenthetsera chimakhala ndi mota, ma fan, ndi nyumba. Makina otenthetsera akayatsidwa, mota imayamba ndikuzungulira ma fan, ndikupanga mphamvu yokoka yomwe imakokera mpweya mu dongosolo. Mpweya umatenthedwa ndi chinthu chotenthetsera kapena chosinthira kutentha ndikukankhira kunja kudzera munjira kuti mutenthetse malo omwe mukufuna.
Ndiwokhazikika pogwira ntchito movutikira ndi ntchito ya S1, shaft yachitsulo chosapanga dzimbiri, komanso chithandizo chamtundu wa anodizing chokhala ndi maola 1000 omwe amafunikira moyo wautali.