Indirect and direct process air heaters

Howden designs and manufactures Industrial Process Air Heaters (part of our ACI range) for various process applications with capacities ranging from as little as 0.5 MM BTU/HR to over 300 MM BTU/HR, in both 'Indirect fired' and 'Direct fired' formats.

ACI Process Air Heaters are completely packaged with burners and controls and offer the convenience of pre-wired and pre-piped assembly. All equipment is designed and built to CGA/IRI / NFPA/FM and other standards. Low NOx systems with Flue Gas Recirculation, Air-Fuel Staging or Steam Injection are also supplied on request.