Ashrae Standard 702006 Pdf Updated

As of March 2021, the standard was updated and approved by ASHRAE and the American National Standards Institute (ANSI).

If you are a manufacturer of diffusers, grilles, registers, or unit ventilators, Standard 70-2006 (or the updated 2023 version) defines the exact protocol you must follow to legally claim compliance or generate catalog performance data.

Below is a detailed breakdown of the standard, what the "updated" versions look like, and how to access the document legally.

Specifications for measuring the noise (sound power levels) generated by air flowing through devices like diffusers and grilles. ashrae standard 702006 pdf updated

: Methods for calculating test data have been clarified to ensure they apply effectively to the expanded range of available air devices. Comparison: 2006 vs. 2023 Version Standard 70-2006 (RA 2021) Standard 70-2023 Status Superseded Current / Active Primary Focus General air outlets and inlets Expanded to include modern tech like underfloor outlets Instruments 2006-era testing equipment High-accuracy modern instruments Page Count Read-Only Versions of ASHRAE Standards

Here is the historical timeline:

ASHRAE standards are "living documents." While the base standard was published in 2006, ASHRAE often releases subsequent to correct errors or clarify testing procedures. As of March 2021, the standard was updated

: Refined calculation methods to better represent how air devices perform in real-world applications. Accessing the Standard

ASHRAE operates on a rigid review cycle to ensure engineering benchmarks match modern market demands. Standard 70 follows a clear evolutionary timeline:

For professional use, ASHRAE standards are typically purchased as protected PDF files. Specifications for measuring the noise (sound power levels)

: Throw, drop, and the envelope of terminal velocities within a treated zone. Sound Generation : Sound power levels ( Lwcap L sub w

If you are looking for the most current version of the Method of Testing the Performance of Air Outlets and Air Inlets , please note that ASHRAE Standard 70-2006

However, a word of caution: