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Infinity Series™ | Performance Series™ | Comfort Series™ |
| Efficiency SEER | Up to 19 SEER | Up to 16 SEER | Up to 13 SEER |
| Efficiency HSPF | 9 HSPF | 8.6 HSPF | 7.7–8.3 HSPF |
| AFUE (when system includes a gas furnace) | 95% | 93% | 80% |
| Energy Star | YES | YES | Select Models |
| Puron™ Refrigerant | YES | YES | YES |
| ComfortHeat™ Technology with a patented control board to provide a nearly continuous flow of warmth for consistent indoor temperatures. | YES | YES | |
| Electronic Infinity Control™ allows you to control temperature, humidity, air quality and fan speed. | YES | Optional | |
| Two–Stage Compressor | YES | ||
| Variable–speed blower in the indoor unit to ensure consistent air flow and improve humidity control. | YES | YES | |
| Enhanced humidity control | YES | Available if using the Infinity Control™ | |
| Electronic ignition in the gas furnace to provide dependable operation and reduce gas consumption. | YES | YES | YES |
| Electronic self–diagnostic system that makes servicing quick and accurate. | YES | Available if using the Infinity Control™ | |
| Quiet level. Carrier's® exclusive Silencer System™ reduces noise from the outdoor unit to half of that produced by a typical air conditioning unit. | As low as 70 dB | As low as 68 dB | As low as 74 dB |