| Infinity Series Central Air Conditioner | Performance Series Central Air Conditioner | |
| > Puron refrigerant | > Puron refrigerant | |
| > Up to 21 SEER | > Up to 15 SEER | |
| The Infinity central air conditioner is | When you want a reliable central air | |
| engineered to be the best, with our highest | conditioner with a great mix of cooling | |
| SEER rating (up to 21). When combined with | efficiency (up to 15.5 SEER) & quiet | |
| the advanced Infinity System, it is the most | operation (as low as 69 dB), you want our | |
| energy efficient heating & cooling system, | Performance unit. | |
| based on stringent ARI cost standards. |
| Comfort Series Central Air Conditioner |
| > Puron refrigerant & R-22 refrigerant systems |
| > Up to 15 SEER |
| Cut your central air conditioning utility bills with up |
| to a 15 SEER efficiency rating. It runs as quietly |
| as a dishwasher (as low as 74 dB), and it resists |
| the elements to run reliably for years with Carrier's |
| WeatherArmor louvered coil guard. |