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SLO183V Oil Furnace

Dave Lennox Signature® Collection

SLO183V Oil Furnace

Variable speed for superior comfort

The SLO183V furnace works at different speeds to maximize comfort, while minimizing sound levels and energy costs. Quality components inside and out give you the assurance of long-lasting performance.


Here are some of the top features of the SLO183V:

vs. 65% AFUE vs. 55% AFUE

Efficiency rating of up to 83% AFUE can save you over hundreds of dollars each year* compared to older furnaces.

Variable-speed motor provides a quiet and consistent flow of air for an ideal balance of temperature and humidity in your home.

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

Beckett burner delivers super-efficient combustion for greater fuel economy.


Features and Benefits

Energy Efficiency

  • Efficiency ratings of up to 83% AFUE
  • Heavy-gauge steel heat exchanger—allows air to glide evenly over its smooth surface for maximum heating efficiency

Quiet Operation

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

Reliable Performance

  • Beckett burner—delivers super-efficient combustion for greater fuel economy
  • Heavy-duty fuel pump—provides quiet, reliable operation with fast shutoff of oil flow

Warranty and Specs

Warranty and Specs

  • Lifetime Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components


*This chart depicts potential energy savings you can expect from the SL0183V furnace, versus older furnaces with lower efficiency ratings. Criteria used in this example are 2,000 full-load heating hours, with a 80,000 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.

Recognitions and Certifications

AHRI Certified C ETL Listed U.S. (C) Intertek

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