United Heat Transfer Pvt. Ltd manufactures Air Cooled Heat Exchanger. United Heat Transfer Pvt. Ltd has been awarded ISO 9001:2008 certifications. Air Cooled Heat Exchanger is a device for rejecting heat from a hot fluid directly to ambient air. Air Cooled Heat Exchanger is commonly used in industrial applications where a reliable source of water is not available as a cooling medium. Even if water is available, in some cases, air cooled heat exchangers are favored for lower capital, operational & maintenance cost.