Home » Trivia Quiz: April 23, 2001 Trivia Quiz: April 23, 2001 April 18, 2001 Cherie Preville Reprints No Comments In what year was Freon invented? a) 1922 b) 1925 c) 1928 d) 1931 Answer: c) 1928 Publication date: 04/23/2001 Did you enjoy this article? Click here to subscribe to The NEWS Magazine Recent Articles by Cherie Preville Today’s HVAC Instruction Bucks Tradition Deciphering the Value of Qualified Salesmen ESCOs Offer Energy Efficiency Without Inflated Upfront Costs Proper Energy Management Facilitates High-Performance Results TAB Analysis Critical for Building Efficiency Cherie Preville is Education and Products Editor. She can be contacted at 248-244-6496 or email@example.com. Related Articles Trivia Quiz: July 23, 2001 Trivia Quiz: April 2, 2001 Trivia Quiz: April 16, 2001 Trivia Quiz: April 9, 2001 Related Products Refrigeration Fundamentals for HVAC/R Technicians DVD Uncomplicating The Heat Pump: Refrigeration & Air Flow Systems DVD Building Information Modeling: Planning and Managing Construction Projects with 4D CAD and Simulations Layout for Duct Fittings Related Events Solar Heating Workshop HRAI Prairie Region 2013 Spring Meeting Meet the General Contractors Expo NAHB 2020 International Builders' Show Related Directories Refrigeration Sales Inc. Service Compressor Parts Inc. Air-Conditioning-Edmonton.ca Eggertsson Trading Inc. 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.