Inkomba yokusebenza yesihlungi somoya ikakhulukazi ibhekisela ekusebenzeni kahle kokususa uthuli, ukumelana, namandla okubamba uthuli.Ukusebenza kahle kokukhipha uthuli kungabalwa ngendlela elandelayo:
Ukusebenza kahle kokususa uthuli=(G2/G1)×100%
I-G1: Isilinganiso senani lothuli kusihlungi(g/h)
I-G2: Isilinganiso senani lothuli elingahlungwa(g/h)
Ukusebenza kahle kokukhipha uthuli nakho kuncike kusayizi wezinhlayiyana.Ukumelana kusho ingcindezi ehlukile.Ngokwesisekelo sokuqinisekisa ukucoleka kwesihlungi, ukucindezela okuncane kokuhluka kuzoba ngcono kakhulu.Ukumelana okukhulayo kuzogcina kubangele ukusetshenziswa kwamandla okukhulu.Ukumelana okukhulu kakhulu kuzodala ukudlidliza kwe-compressor yomoya.Ngakho-ke, kufanele ubeke esikhundleni sesici sokuhlunga lapho ukumelana nesihlungi kufinyelela noma kuseduze nokucindezela okuvunyelwe kwe-vacuum.Ukwengeza, umthamo wokubamba uthuli usho isilinganiso sothuli oluqoqiwe endaweni yeyunithi ngayinye.Futhi iyunithi yayo ingu-g/m2.