Functional Block Diagram | Air handler- HVAC plan | | Ahu ...
Functional Block Diagram. This HVAC plan sample shows the air handler layout on the floor plan. "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 ...