Features

Quiet Operation

• The most efficient and quietest furnace you can buy
• 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
• Variable-capacity operation—goes beyond typical low and high two-stage operation, varying output from 35% to 100%

Energy Efficiency

• Efficiency rating of up to 98.2% AFUE —can save you over $800 dollars each year*, compared to standard furnaces
• ENERGY STAR® qualified - meets or exceeds EPA guidelines for energy efficiency
• Self-calibrating variable speed inducer—automatically adjusts to match the system requirements, ensuring cleaner combustion and efficient operation
• Stainless Steel secondary heat exchanger—has a robust, time-tested design that captures waste heat, allowing the furnace to achieve industry-leading efficiency levels
• 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.