Air Diffusion Agencies (ADA) is a renowned Australian manufacturer of state of the art accessories and technologies to provide you with a comprehensive range of components for your heating, ventilating, and/or air-conditioning (HVAC) system.

We are the leading Australian supplier of quality air conditioning equipment and refrigeration components to the industry, and a holder of several patented products. We offer a complete range of products including air diffusers, flexible ducting, fittings, ductboard, sheetmetal,  pair coil, zoning equipment, combustion heating components, spare parts and units.

We are a proudly 100% Australian family owned and managed company that is market driven by our valuable customers to design and provide innovative products that will meet your needs today, and in the future.

We really are your one stop air conditioning trade centre, put us to the test today!