The quietest high-efficiency furnace you can buy!

The Lennox SLP99V is a top-of-the-line, variable-capacity gas furnace known for its industry-leading energy efficiency, quiet operation, and precise temperature control. It is part of the Dave Lennox Signature Collection and is designed for homeowners who prioritize premium performance. 

Key features

  • Modulating heat output: The SLP99V can adjust its heating output in small, 1% increments to precisely match your home's heating needs, ensuring a consistent and even temperature.
  • 99% AFUE—can save you hundreds of dollars each year* With an Annual Fuel Utilization Efficiency (AFUE) rating of up to 99%, the SLP99V is one of the most efficient furnaces on the market, which can result in significant savings on your heating bills.
  • ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency
  • 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
  • Robust stainless steel secondary heat exchanger—allows the furnace to achieve high efficiency levels by capturing additional heat
  • iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to exchange information and make adjustments as needed to optimize performance**

Quiet Operation

  • Precise Comfort® Technology—delivers the ultimate in quiet, even, consistent heating throughout your home
  • Special sound-absorbing insulation—further reduces sound for quiet operation
  • Durable steel cabinet—made to last with an attractive, high-qulaity textured paint finish

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—controls furnace operation and works iComfort Wi-Fi® thermostat to ensure high reliability and efficiency
  • Warrant Your Way™—All Dave Lennox Signature® Collection models come with a 10-Year Limited Warranty on compressor and covered components. Furnace heat exchangers offer either 20-Year or Lifetime Limited Warranties.

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