United Heat Transfer Pvt. Ltd offers Compressed Air after Coolers. United Heat Transfer Pvt. Ltd has obtained ISO 9001:2008 certifications. Compressed Air after Coolers cool air discharged from air compressors via the heat exchanger. Compressed Air after Coolers reduces risk of fire [hot compressed air pipes can be a source of ignition]. This compressed air after coolers reduces compressed air moisture level. It increase system capacity and protect downstream equipment from excessive heat.