Historical
ANSI/ASHRAE 138-2013 (R2016)
Method of Testing for Rating Ceiling Panels for Sensible Heating and Cooling (ANSI Approved)
ASHRAE Standard 138 establishes uniform methods of laboratory testing for rating steady-state thermal performance of ceiling panels used in indoor spaces for sensible heating, sensible cooling, or both.
Content Provider
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]