Offers secure PDFs and printed versions of Standard 70-2006 (RA 2011).
The vertical distance that the center of an air stream drops below the center of the outlet face at the end of the throw distance.
The standard covers several key aspects of HRV and ERV performance, including:
) is a calculated correction factor that accounts for the free area of the grille vs. the total face area. ashrae standard 702006 pdf updated
While Standard 70-2006 was released in 2006, it underwent several important status changes that HVAC professionals should be aware of when searching for the "updated" version.
The ASHRAE Standard 70-2006 PDF updated includes several changes and updates, including:
: The standard now specifies commercially available test instruments with higher accuracy requirements than previous versions. Realistic Test Conditions Offers secure PDFs and printed versions of Standard
ASHRAE Standard 70-2006 PDF Updated: Comprehensive Guide to Room Air Distribution Testing
While the core purpose remains the same, the 2023 edition is the most significant update to this standard in nearly two decades. The table below summarizes the key differences:
The standard specifies the dimensions and baffling of the supply plenum to ensure an even, non-turbulent approach velocity to the test device. the total face area
ASHRAE Standard 70-2006 has undergone the reaffirmation process. A standard retains its core 2006 technical framework but includes minor editorial updates, errata corrections, or reference updates approved in subsequent years (such as 2011, 2016, or later cycles).
ASHRAE Standard 70-2006, as updated by its 2021 reaffirmation, remains the cornerstone for testing air distribution hardware. For the most accurate, reliable, and modern data, professionals should always rely on the most recent published version available from ASHRAE.
The transition from the 2006 edition to the 2023 edition introduced several "long paper" worthy improvements in technical precision and scope: Expanded Device Coverage: