Tshepedišo ya go tsenya moya ya go tšhologa ga pelego e arotšwe ka go tsenya moya ka kgatelelo ye botse, go tsenya moya ka kgatelelo ye mpe, kgatelelo ya go lekana (goba kgatelelo ye nnyane ye botse) mokgwa wa go tsenya moya, le go tsenya moya ga tlhago. Positive-khatello ventilation le e lekanang-khatello (kapa micro-positive) ventilation mekgwa ya tshebetso sebetsa ho filtration dithulaganyo, ho na le hape mpe khatello ventilation bakeng sa mokgwa wa filtration tsamaiso, ventilation tlhaho sebediswa ka setso ikemetseng moaho moralo, hona joale sebjalebjale kolobe ntlo e se e sebelisitse, haholo-holo tsebisa tloaelehileng ka ho fetisisa mokhoa khatello e mpe ea pelehi tlhokomelo ka tsamaiso ea ventilation.
Tabeng ya non filterration khatello e mpe, ho ea ka litsela tse fapaneng tsa moea intake, empa hape arotsoe ka marulelo moea mokgwa wa, sekhahla tsidifatso marulelo ka mokgwa wa phefo, le marulelo gotee le longitudinal moea wa mokgwa wa kopanetsoeng ya seširo. The lehlabula ka ntle palo e kahodimodimo mocheso oa Northern Cold Region ka China ha e feta kapa hanyenyane ka holimo ho 30 tekanyo , ka amohela marulelo ka moea kapa sekhahla tsidifatso marulelo mokgwa wa moea; Lefelo le lengwe la themperetšha ya godimo ya selemo le swanetše go amogela kopanyo ya marulelo le phefo ya go ema thwii ya seširo, goba mokgwa wa phefo ya marulelo a go fodiša ya seširo (mokgwa wo o nyaka marulelo le siling ka nako ye e swanago o šomiša didirišwa tša go thibela phišo, le go ya ka lefelo go netefatša moya wo o lekanego ka lešakeng).
