I-pre-cooler yokudla iyisisetshenziswa esipholisa ngokushesha izinga lokushisa esimweni se-vacuum.Kuthatha imizuzu eyi-10-15 kuphela ukuthi i-vacuum pre-cooler ipholise ukudla okuphekiwe ku-95 degrees Celsius ekamelweni lokushisa.Amakhasimende angasetha izinga lokushisa eliqondiwe ngokwawo esikrinini esithintwayo.
Ama-cooler e-vacuum okudla asetshenziswa kakhulu emabhikawozi, ezindaweni ezilungisa ukudla, nasemakhishini amaphakathi.