Cold and Hard Facts Refrigerants Q & A- Feb 8, 2024 Q: What does HFC stand for? A: Hydrofluorocarbons, or HFCs, are high global warming potential substances developed as replacements for ozone-depleting substances (ODS) in the refrigeration and air conditioning, aerosols, fire suppression, and foam blowing sectors. Learn more about Canada’s refrigerant transition here. Back to Newsletters