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SL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace

Model #: SL297NV
Series: Dave Lennox Signature® Collection

Highlights

  • Efficiency rating of 97.5% AFUE
  • Ultra-low NOx emissions
  • SilentComfort™ Technology and Sound Absorbing Insulation
  • Two-stage, variable-speed operation
  • Dual-fuel capability
  • Enhanced humidity control
  • Lifetime limited warranty on the heat exchanger and a 5-year limited warranty on all remaining covered components.
  • Features

    Overview

    Here are some of the top features of the SL297NV:

    Heating efficiency rating of 97.5% AFUE delivers exceptional comfort and energy savings all winter long*

    ENERGY STAR® certified which means the furnace meets or exceeds U.S. federal guidelines for energy efficiency.**

    Variable-speed motor provides a quiet, consistent flow of air for advanced comfort, efficiency and control

    Variable speed airflow prevents temperature swings and controls humidity levels for a more comfortable environment

    Low fan speed option efficiently controls humidity levels and provides continuous filtration for cleaner, healthier air

    iComfort-enabled technology helps maintain your home's temperature close to your ideal setting

    Energy Efficiency

    • Efficiency rating of 97.5% AFUE–Delivers exceptional comfort and energy savings all winter long*
    • ENERGY STAR® certified which means the furnace meets or exceeds U.S. federal guidelines for energy efficiency.**
    • Variable-speed motor–Helps you maintain consistent temperatures throughout your home, using as little fuel as possible
    • iComfort®-enabled technology–Allows you to adjust your heating for energy savings based on your family’s routine

    Quiet Operation

    • Variable-speed motor–Provides a quiet, consistent flow of air for advanced comfort, efficiency and control

    Home Comfort

    • Variable-speed airflow–Prevents temperature swings and controls humidity levels for a more comfortable environment
    • Two-stage heating–Operates at a more efficient low capacity most of the time, with extra capacity for cold mornings and chilly evenings
    • Low-fan-speed option–Efficiently controls humidity levels and provides continuous filtration for cleaner, healthier air
    • iComfort®-enabled technology–Helps maintain your home’s temperature close to your ideal setting

    Performance

    • Variable-speed fan–Provides just the right amount of air to heat, cool or clean the home’s air, minimizing daily energy use
    • Durable steel cabinet–Sleekly styled and made to last with a contoured design and high-quality paint finish

    Ratings

    AFUE: up to 97.5

    Warranty

    • Lifetime limited warranty on the heat exchanger 
    • 5-year limited warranty on all remaining covered components.

    Publications

    SL297NV Gas Furnace Homeowners Manual
    SL297NV Gas Furnace Product Brochure

    Certifications

    DualFuelEnergyStar

    *This chart depicts potential energy savings you can expect from the SL297NV furnace, versus older furnaces with lower efficiency ratings. Criteria used in this example are 2,000 full-load heating hours, with a 60,000 Btuh heating design load and $1.368 ccf for gas. Your actual savings may vary, depending on the weather patterns in your local area, local fuel rates and your individual lifestyle. ** Select models only. See your local Lennox Dealer for more information.