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Upgrade to a new cooling system if your current equipment is more than 12 years old. Older models often are oversized, noisier and inefficient.
The EPA phaseout continues for several years, but most new HVAC systems have a lifespan of 30 years or more. Plan ahead when purchasing high-efficiency cooling system. It is important to make sure your new HVAC system can use nonpolluting refrigerants.