The link provided by another user indicates that the problem with AC units is improper disposal of HFCs contained within. "HFCs, the primary replacement, spare

The link provided by another user indicates that the problem with AC units is improper disposal of HFCs contained within. "HFCs, the primary replacement, spare the ozone layer, but have 1,000 to 9,000 times greater capacity to warm the atmosphere than carbon dioxide." https://www.drawdown.org/solutions/materials/refrigerant-management https://www.drawdown.org/solutions/materials/refrigerant-man...