Home appliances, like air conditioners and refrigerators, sometimes cool down with freon. Freon is a trademark name, but also the commonly used name for certain types of chemical refrigerant. In 2020, ...

A refrigerant used in home air conditioners is going away. The most common air-conditioning coolant for decades was R-22, referred to as Freon. Production of it ends this year. It is being replaced by ...