Infinity® Series Central Air Conditioner Puron® refrigerant Up to 21 SEER Ultra Efficient Air Conditioner Built for Total Home Comfort The Infinity Series central air conditioner is engineered to be the best, with our highest SEER rating (up to 21). When combined with the advanced Infinity System, it is our most energy-efficient heating and cooling system, based on stringent ARI cost standards.
	Performance™ Series Central Air Conditioner Puron refrigerant Up to 16.5 SEER   Energy Efficient and Quiet: Reliably Keeps Home Cool When you want a reliable central air conditioner with a great mix of cooling efficiency (up to 18 SEER) and quiet operation (as low as 67 dB), you want our Performance unit.
	Performance Series Compact Air Conditioner Ultra Compact Puron refrigerant Up to 15 SEER Compact Unit Fits Tight Spaces For Many Installation Options The small footprint of the Compact Central Air Conditioner lets you install it as close as six inches away from your home, or place it on a roof or deck. And we engineered it with the advanced efficiency you expect, with up to 15 SEER rating.
	Comfort Series Central Air Conditioner Puron refrigerant and, R-22 refrigerant systems Up to 16 SEER Economical Cooling Comfort: Reliable, Quiet and Efficient Cut your central air conditioning utility bills with up to a 16 SEER efficiency rating. It runs quietly as a dishwasher (as low as 73 dB). And it resists the elements to run reliably for years with Carrier's WeatherArmor™ louvered coil guard.
	BASE Models Puron refrigerant and, R-22 refrigerant systems Up to 15 SEER Economical Cooling Comfort: Reliable, Quiet and Efficient This low-cost, energy-efficient Base air conditioner provides economical comfort and reliability.