Air Handling Units

An air handler, or air handling unit (often abbreviated to AHU), is a device used to condition and circulate air as part of a heating, ventilating, and air-conditioning (HVAC) system. An air handler is usually a large metal box containing a blower, heating or cooling elements, filter racks or chambers, sound attenuators, and dampers.

Air handlers usually connect to a ductwork ventilation system that distributes the conditioned air through the building and returns it to the AHU. Sometimes AHUs discharge (supply) and admit (return) air directly to and from the space served without ductwork. Small air handling units generally include an air filter, coil and blower. However a large air handling unit that conditions 100% outside air (with no recirculated air) is otherwise known as a makeup air unit (MAU). An air handling filter that is designed for outdoor use, typically on roofs is known as a packaged unit (PU) or rooftop unit (RTU).

A quality air handling unit can prevent energy waste and facilitate the comfort of house or building occupants. Fans are the main air handling equipment used in households. They consume about 7% of the energy consumed by a building that uses conditioned air. Fans can be used in conjunction with air handlers to chill water (otherwise referred to as Chillers), or integrated into packaged equipment such as rooftop units.

When you’re searching for an air handling unit, ensure your unit delivers custom performance and flexibility, component and material choices, sophisticated manufacturing and the ability to customise to meet your requirements.