6: Chill with Refrigerants
This Week in Sustainability Podcast

6: Chill with Refrigerants

2020-11-04
In which we discuss refrigeration, how it works (more or less), and the history of refrigerants, with their various advantages and disadvantages for the environment. Ammonia is toxic. Propane is flammable. Freons and hydrochlorofluorocarbons (HCFCs) destroy the ozone layer and contribute to global warming. Hydrofluorocarbons (HFCs) are also greenhouse gases, except for (HFO)-1234yf, which has a global warming potential (GWP) lower than carbon dioxide, but it is flammable and produces highly...
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