Hydrofluorocarbons (HFCs) were developed as alternatives to ozone-depleting chemicals, which were banned under a global 1987 agreement known as the Montreal Protocol. The deal banned the use of chlorofluorocarbons (CFCs), which were gradually replaced by HFCs. hydrofluorocarbons are mainly used in air conditioning, industrial chillers and fridges and can also be found in some aerosol propellants and fire protection fluids. What is the best alternative to Hydrofluorocarbons ?

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