Cikakken zafi musayar Features
Cikakken musayar zafi yana amfani da iska mai fitarwa da iska mai tsabta don musayar zafi da ruwa don sake dawo da makamashi. Lokacin da hunturu gudu, a cikin gida exhaust da aka tace bayan sa'an nan kuma ta hanyar zafi dawo da dawo da karamin, da zafi da ruwa abun ciki ya karu, a lokacin da karamin ya juya tsabtace fan bayan tuntuɓar da waje m iska, da karamin ya saki zafi da ruwa zuwa low zafi m iska, sa iska dumama da zafi. Sakamakon aiki ya kai kashi 70 zuwa 90%. Akasin haka, a lokacin bazara, rage zafi da zafi ta hanyar musayar zafi don rage amfani da makamashi ta hanyar musayar zafi.
Jagorar Zaɓi

Lokacin ƙayyade sabon adadin iska da ake buƙata a cikin ɗaki: Ya kamata a yi la'akari da shi daidai da girman sararin samaniya da yawan ma'aikatan gida. Bisa ga teburin da ke sama bayanan da aka ba da shawara bisa ga "sabon yawan iska da kowane mutum ke buƙata" da "yawan sababbin iska a cikin ɗakin" don lissafin sabon ƙimar iska, ɗaukar mafi girman ƙimar biyu, a matsayin tushen zaɓin kayan aiki. Wani kwamfuta dakin yankin S = 50 (m2), net tsayi h = 3 (m), ma'aikata n = 12 (mutane), idan da kowane mutum bukatar sabon iska yawan lissafi, dauki kowane mutum bukatar sabon iska yawan q = 50 (m3 / h), to, sabon iska yawan
Q1 = n · q = 12 × 50 = 600 (m3 / h).
Idan an lissafa yawan sabbin iska a cikin ɗakin, ɗauki yawan sabbin iska a cikin ɗakin p = 4.5 (sau / h).
Sabon iska yawan Q2 = p · s · h = 4.5 × 50 × 3 = 675 (m3 / h).
Saboda Q2 > Q1, dauki Q2 (watau 675m3 / h) a matsayin na'urar zabin sigogi bayanai