Signature®	Signature®	Elite®	Elite®	Elite®	Elite®	Merit®	Merit®	Merit®
FEATURE	XC21	XC15	XC16	XC14	XC13	AC13	14ACX	13ACX	13ACD
Energy Efficiency	Up to 20.5 SEER	Up to 17.00 SEER	Up to 16.70 SEER	Up to 16.00 SEER	Up to 15.50 SEER	Up to 15.50 SEER	Up to 15.00 SEER	Up to 14.00 SEER	Up to 14.00 SEER
Sound Rating	As low as 69 dB	As low as 64 dB	As low as 74 dB	As low as 70dB	As low as 74 dB	As low as 74 dB	As low as 76 dB	As low as 76 dB	As low as 76 dB
Quiet Operation	SilentComfort™ Technology	SilentComfort™ Technology
Cabinet	SmartHinge™ Louvered Design	SmartHinge™ Louvered Design	SmartHinge™ Louvered Design	SmartHinge™ Louvered Design	SmartHinge™ Louvered Design	SmartHinge™ Louvered Design	Durable Cabinet	Durable Cabinet	Durable Cabinet
Environmentally Responsible	R410A	R410A	R410A	R410A	R410A		R410A	R410A
Energy Star® Qualified
On-board Diagnostics
Full Line of Scroll Compressor
Two-stage Operation
Compressor/Parts Warranty	10 year limited warranty on compressor and covered components	10 year limited warranty on compressor and covered components	10 year limited warranty on compressor, 5 year limited warranty on covered components	10 year limited warranty on compressor, 5 year limited warranty on covered components	10 year limited warranty on compressor, 5 year limited warranty on covered components	10 year limited warranty on compressor, 5 year limited warranty on covered components	5 Year Limited Warranty on compressor and covered components	5 Year Limited Warranty on compressor and covered components	5 year limited warranty on compressor and all remaining covered components