CARB Tightens HFC Limits For Cooling Equipment, But Eases Deadlines

The California air board is advancing a sweeping set of rules requiring manufacturers of refrigeration and air conditioning (A/C) systems to dramatically reduce the use of high global warming-potential (GWP) hydrofluorocarbons (HFCs), but it is also relaxing several key deadlines in response to industry opposition. “Chemical refrigerants are fast-acting super pollutants and the fastest growing source of climate gases in the world today,” California Air Resources Board (CARB) Chairwoman Mary Nichols said in a Dec. 10 press release. “And as...