Operating costs of using the steam jet refrigeration system to cool the temperature of water in air conditioning system are lower than the refrigerative compressor.

• 用蒸汽喷射制冷设备作为空气调节系统的冷源,不论在基建费用及经常运转费用方面均较氨冷冻机来得经济,因此近年来它已渐为有关工业部门所重视。