Defines laboratory methods of testing air outlets and air inlets used to terminate ducted and unducted systems for distribution and return of building air. Includes the specifications for test instruments, facilities, installations, and procedures and methods of calculation for determining aerodynamic performance and sound generation of air outlets and air inlets. The test methods in this standard apply to both isothermal and non-isothermal conditions. Dual units of measurement.
ANSI/ASHRAE 70-2023 history
1970ANSI/ASHRAE 70-2023 Method of Testing the Performance of Air Outlets and Air Inlets