1. ANSI/ASHRAE 15, 2016, Safety Standard for Refrigeration Systems, ASHRAE, Atlanta, US.
2. ANSI/ASHRAE 34, 2014, Designation and classification of Refrigerants, ASHRAE, Atlanta, US.
3. ANSI/ASHRAE 147, 2002, Reducing the release of Halogenated Refrigerants from Refrigeration and Air conditioning Equipment and Systems, ASHRAE, Atlanta, US.
4. AS/NZS 1677.1:1988, Australian/New Zealand Standard, Part-1: Refrigerating Systems –Refrigerant Classification.
5. Performance assessment of HC-290 as a drop-in substitute to HCFC-22 in a window air-conditioner;Devotta;Int. J. Refrig.,2005