NOTE: All documents linked from this page are in 
PDF-format .
Interpretation 15-2013-1 – March 5, 2015 (Refers to the requirements presented in ANSI/ASHRAE Standard 15-2013, Sections 7.3.2.2 and 7.3.2.3, regarding plenums and ductwork in the calculation of volume for refrigerant concentration limit (RCL).)
Interpretation 15-2013-2 – June 26, 2016 (Refers to the requirements presented in ANSI/ASHRAE Standard 15-2013, Section 7.5.3, regarding Exception 3, definition of “portable-unit systems”.)
Interpretation 15-2013-3 – June 26, 2016 (Refers to the requirements presented in ANSI/ASHRAE Standard 15-2013, Section 7.2, regarding refrigerant concentration calculations.)
Interpretation 15-2013-4 – January 29, 2017 (Refers to the requirements presented in ANSI/ASHRAE Standard 15-2013, Section 7.2, regarding refrigerant concentration calculations.)
Interpretation 15-2013-5 – March 20, 2018 (Refers to the requirements presented in ANSI/ASHRAE Standard 15-2013, Sections 7.5.1.2 and 7.5.3, regarding R290, an A3 refrigerant, in vending machines.)