Home » Introductions Made Introductions Made April 22, 2009 Reprints No Comments Freon 13 was introduced for temperature refrigeration at –100°F (-73.33°C) and lower in the 1960s. It was intended for use with R-13 or R-22 in a cascade system. Did you enjoy this article? Click here to subscribe to The NEWS Magazine Related Articles An Open and Closed Case – An Introduction HARDI Coordinates Introduction of Bipartisan HVAC Expensing Bill A Brief Introduction to Building Information Modeling (BIM) York Makes A Colorful Introduction At Show You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.