Signature Series: Lennox XC21

• Quietest, most efficient two-stage AC you can buy
• Up to 21.20 SEER
• SilentComfort fan motor with composite fan blades
• Sound levels as low as 69 dB
• iComfort-enabled
• Humiditrol compatible
• 10-Year Limited Warranty on compressor and covered components

Elite Series: Lennox EL16XC1

• High-efficiency single-stage
• Up to 17 SEER
• Sound levels as low as 71 dB
• ComfortSense® 7500 programmable thermostat compatible
• 10-Year Limited Warranty on compressor
• 10-Year Limited Warranty with product registration

Elite Series: Lennox EL18XCV

• Variable capacity cooling
• Up to 18.00 SEER
• Sound levels as low as 65 dB
• Humiditrol compatible
• 10-Year Limited Warranty on compressor and covered components
• 10-Year Limited Warranty with product registration

Merit Series: Lennox 13ACX

• Single-stage cooling
• Up to 13 SEER
• Sound levels as low as 76 dB
• 10 year warranty (with registration)

Merit Series: Lennox 16ACX

• Two-stage cooling
• Up to 18 SEER
• Sound levels as low as 75 dB
• 10 year warranty (with registration)