SL297NV

Dave Lennox Signature® CollectionSL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace

First-in-class, lowest emission furnace on the market*

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

Publications

SL297NV Gas Furnace Homeowners Manual
Lennox Ultra-Low Emissions Gas Furnaces Brochure

Disclaimer

*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.

Certifications