Decorative Only
« All furnaces
Dave Lennox Signature® Collection

slp99v

Variable-Capacity Gas Furnace

The quietest and most efficient furnace you can buy

Lennox SLP99V Variable-Capacity Gas Furnace
Price Guide
$$$$
Efficiency Rating (AFUE)
up to 99
Energy Star®
ENERGY STAR logo ENERGY STAR® Qualified
Warranty

Dave Lennox Signature® Collection models come with a 10-Year Limited Warranty on covered components. Furnace heat exchangers offer either 20-Year or Lifetime Limited Warranties. For more information, visit www.Lennox.com/WarrantyYourWay.

View Full Product Specifications

Heating Savings

Features

Decorative Only

The Ultimate Side of Perfect Air

Not only is the SLP99V gas furnace part of the Dave Lennox Signature® Collection, it’s part of the Ultimate Comfort System™. Which combines the best of everything Lennox has to offer to create an unprecedented whole-home comfort system that seamlessly and intelligently works together to stay finely tuned to your home and deliver consistently clean, perfect air.

Learn more on the Ultimate Comfort System™

The Ultimate Side of Perfect Air
Decorative Only
Illustration of Consistently Perfect

Consistently Perfect

Consistently Perfect

Precise Comfort® technology allows the furnace to keep the temperature held exactly where you want it. Heat is even throughout your home, with no cold spots. If it sounds perfect, it’s because it is.
Decorative Only
Decorative Only

Smarter Together

With the help of the Lennox S40 Smart Thermostat ultra smart thermostat, the SLP99V gas furnace unlocks a world of connectivity. It stays finely tuned to your home by using sensors to react, diagnose, and troubleshoot—all while remaining in constant contact with your dealer to ensure proactive responses. Geofencing technology ensures your air turns on and off as you come and go. And the system even responds to the outdoor environment to adjust operation to account for factors like pollen and outdoor air quality.

Decorative Only

Beyond Quiet

Even with all of its impressive power, this furnace is the quietest you can buy and has been engineered to run at variable speed to drastically minimize the sound of air kicking on or off inside the home.

Decorative Only
  • * Based on sound pressure levels during steady-state, high-fire and low-fire operation of Lennox® SLP99UH070XV36B as of March 2020 at mid-point temperature rise and minimum external static pressure when set up per Section 4.4.4 of AHRI 260-2012. Based on AFUE efficiency rating of Lennox SLP99UH090XV60C and leading competitive units listed in AHRI directory as of December 2019. Efficiency ratings established per test standard ANSI/ASHRAE 103-1993.