Should I purchase a new air-conditioning system or heat pump with R-22 or with an alternative, ozone-friendly refrigerant?

When deciding to purchase new equipment, homeowners need to consider several key factors, such as energy efficiency, performance, reliability, cost, and the ozone-friendly options that are available. After 2020, the servicing of R-22-based systems will rely on recycled or stockpiled refrigerants. For the next 10 to 15 years, R-22 should continue to be available for all systems that require it for servicing. Consumers should be aware that the price of R-22 might increase as supplies decrease beginning in 2010. EPA's ozone web site provides a comprehensive overview of what consumers should know about refrigerants when purchasing an A/C system or heat pump.  more