Why R22 is Becoming Harder to Find
Which is easier to say: difluorochloromethane or HCFC-22? Your central air conditioning system, window air conditioners, heat pumps, ductless air conditioners and dehumidifiers all use the chemical HCFC-22 as a refrigerant. The industry shorthand for HCFC-22 is R22, and supplies of it are...
