The History and Future of Refrigerants w/ Chuck Allgood

HVAC School - For Techs, By Techs · Jan 25, 2022 · 44m

Chuck Allgood with Chemours joins the podcast to cover the history of refrigerants and discuss what the future might hold.

In the late 1800s, before Freon, the only refrigerants that were used were industrial chemicals like ammonia, CO2, and sulfur dioxide. DuPont stepped in to provide a better refrigerant for industrial refrigeration (which then spurred the rise of domestic refrigeration), so they created a non-toxic, non-flammable chemical called Freon-12 (CFC R-12) in 1928.

However, in the 1970s-1980s, it was discovered that R-12 and other CFCs depleted the ozone layer due to the chlorine…