Features

Quiet Operation

• SilentComfort™ technology - delivers the ultimate in quiet, consistent heating - up to nine times quieter than competitive models1
• 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 fan speed, 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
• Secondary heat exchanger - allows the furnace to achieve high efficiency levels by capturing additional heat
• 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 on all models, all positions - 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
• This product qualifies for a tax credit under the American Recovery and Reinvestment Act.*

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

* Not all system combinations apply. Verify actual system efficiency at www.ahridirectory.org and consult your tax expert before claiming energy efficiency tax credits.