Chlorodifluoromethane, commonly known as R-22, is a chemical compound used for refrigeration purposes. Although numerous home cooling systems contain this gaseous substance, R-22 reliance is currently being phased out in the United States due to its hazardous environmental impact. Therefore, it's important to note if your HVAC unit might exacerbate the issue.
This post originally appeared on the Artic Air blog. Reprinted with permission.