Dave Lennox Signature® Collection SLO185V Oil Furnace

Variable speed means superior comfort



Here are some of the top features of the SLO185V:

Efficiency rating of 85% AFUE can save you over hundreds of dollars each year* compared to older furnaces.

Variable Speed Motor quietly controls flow of air for added humidity control, indoor air quality and comfort.

SilentComfort™ technology delivers the ultimate in quiet, consistent heating.

High-Efficiency Beckett Burner delivers super-efficient combustion for greater fuel economy.


Quiet Operation

  • Variable speed operation—assures comfort, efficiency and considerable noise reduction
  • SilentComfort™ technology—ensures quiet operation
  • Innovative combustion chamber—constructed from alumina-silica ceramic fiber, provides quiet operation and high efficiency


Energy Efficiency

  • Efficiency ratings of 85% AFUE
  • Heavy-gauge steel heat exchanger—allows air to glide evenly over its smooth surface for maximum heating efficiency


Reliable Performance

  • High-Efficiency Beckett Burner—delivers super-efficient combustion for greater fuel economy
  • Heavy-duty fuel pump—provides quiet, reliable operation with fast shutoff of oil flow
  • Lifetime Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components


Product Brochure

Lennox SLO185V Oil Furnace



*This chart depicts potential energy savings you can expect from the SLO185V furnace, versus older furnaces with lower efficiency ratings. Criteria used in this example are 2,000 full-load heating hours, with a 85,000 Btuh heating design load and $1.90 per gallon for oil. Your actual savings may vary, depending on the weather patterns in your local area, local fuel rates and your individual lifestyle.