To achieve compliance with ASHRAE Standard 70-2006, testing facilities must adhere to strict environmental and mechanical configurations:
: Sound testing must occur in a qualified reverberation chamber calibrated using a Reference Sound Source (RSS).
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A widely used previous version was Standard 70-2006 (RA 2011). Accessing the Text
Adds displacement ventilation and underfloor air distribution (UFAD) Standardized catalog dimensions Expanded to handle hyper-targeted and modern micro-zones Instrumentation Older manual or mechanical measuring arrays To achieve compliance with ASHRAE Standard 70-2006, testing
While ASHRAE Standard 70-2006 is still widely referenced, it's essential to note that ASHRAE has published updated standards and guidelines related to indoor air quality:
When a manufacturer tests an air register or diffuser under ASHRAE Standard 70-2006, they are measuring several critical aerodynamic and acoustic properties: A. Isothermal Throw and Drop ashrae standard 702006 pdf updated
The standard officially defines three major categories of terminal air devices:
ASHRAE Standard 70-2006 was formally . A reaffirmation means the technical committee reviewed the document and determined the methodologies remained valid without requiring a full rewrite. The document is officially designated as ANSI/ASHRAE Standard 70-2006 (RA 2011) . Industry Transition to AHRI Standard 880/885
introduced significant technical updates to reflect modern HVAC technology: Accuris Standards Store Expanded Scope:
is the most current and active edition of the standard. The 2006 version underwent several "Reaffirmations" (RA)—meaning it was reviewed and found still valid without changes—in 2011 and 2021 before the 2023 revision was finalized. Latest Active Version: ASHRAE 70-2023 Previous Version: ANSI/ASHRAE 70-2006 (RA 2021). Accuris Standards Store Key Improvements in the 2023 Update The 2023 edition available at the ASHRAE Bookstore