What to know about R-22 Refrigerant in Massachusetts
If you rely on an air conditioning unit that uses R-22 refrigerant, an ozone-depleting substance (ODS), you should know that as of January 1, 2020, production and import of R-22 refrigerant is illegal in the United States. While continuing use of your air conditioner or heat pump system using R-22 refrigerant is allowed, it does