Home » Growing Popularity Growing Popularity April 22, 2009 Reprints No Comments In 1964 home cooling begins to boom and the Air Conditioned World’s Fair opened in New York. Did you enjoy this article? Click here to subscribe to The NEWS Magazine Related Articles Heat Pump Popularity Keeps Growing Heat Pumps Riding a Wave of Popularity Most Popular Mobile Device? Too Obvious VRF, Hydronics Popular Options for Commercial Contractors 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.