Beginning in 2020, homeowners whose heating or cooling systems use R22 refrigerant will get a firsthand look at part of this phase-out process. As of January 1, 2020, U.S. consumers and retailers will no longer be allowed to produce, sell, or import R22 refrigerant, which could present complications for those with older HVAC systems. Learn more about the factors behind this phase-out and what homeowners can do to maintain their cooling systems going forward.