Variable-Capacity Gas Furnace

Lennox SLP99V

lennox SLP99V variable capacity gas furnace

Incredibly quiet & efficient gas furnace

Energy Star Qualified

With up to 99% AFUE, the Lennox SLP99V can save you hundreds of dollars in utility costs each year. Designated as one of the Most Efficient ENERGY STAR certified products in 2020, this gas furnace prevents greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the EPA.

AFUE Rating: Up to 99
Stages of Heating: Modulating
Motor: Variable Speed

Product Features

  • Up to 99 AFUE
  • ENERGY STAR® Certified
  • Modulating heating stages
  • SilentComfort™ Technology
  • Fully insulated cabinet
  • Variable speed motor
  • Enhanced humidity control
  • Compatible with air filter and humidifier
  • Ultra-low continuous fan
  • Dual-fuel capable
  • SureLight® Silicon Nitride Ignitor
  • 10-Year Limited Warranty on covered components
  • Limited Lifetime Warranty on heat exchanger

How Much Can You Save on Heating?

60 AFUE vs 99 AFUE Gas Furnace

Save 38% per Year*

*Based on US National Average

5-Year Savings


10-Year Savings


15-Year Savings


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