Quiet Operation

• SilentComfort™ technology - Delivers the ultimate in quiet, consistent heating
• Variable Speed Blower Motor - Ramps up and down slowly so there's no sudden, noisy blast of air at start-up
• Fully Insulated Cabinet -Patented noise-reducing construction further minimizes operating sound to an industry leading low level

Home Comfort

• Precise Comfort™ technology - Automatically adjusts heat and airflow capacity in increments as small as 1% for the ultimate in temperature control
• AirFlex™ technology - Offers custom settings which can be selected to meet each home's specific year-round comfort requirements
• Zoning - Compatible Design - Works with Lennox' Harmony III™ zoning system to deliver the right amount of comfort for up to four zones
• Variable Speed Blower Motor - Provides a quiet, consistent flow of air for enhanced temperature and humidity control
• Variable-Capacity Operation -Goes beyond typical low and high two-stage operation, varying output from 40% to 100%

Energy Efficiency

• Efficiency rating of 95% AFUE - Can save you hundreds of dollars each year, compared to standard furnaces
• Energy Star® qualified – Meets or exceeds EPA guidelines for energy efficiency
• Variable Speed Inducer - Automatically adjusts to match the system requirements, maintaining balanced combustion and efficiency
• Dual-fuel Capability — can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.

Reliable Performance

• Duralok Plus® Heat Exchanger - Made of patented ArmorTuf™ steel to ensure high reliability and efficiency
• SureLight® Igniter - Silicone nitride construction ensures long product life and reliable operation
• SureLight® Control Board - Direct-readout diagnostics allow simple, quick troubleshooting
• Limited Lifetime Warranty on heat exchanger
• 10-Year Limited Warranty on covered components