Lennox O23 Oil Furnace

Lennox O23


Here are some of the top features of the O23:

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

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

Quiet Operation

  • Insulated blower compartment—minimizes operating sounds
  • Innovative combustion chamber—constructed from alumina-silica ceramic fiber, provides quiet operation and high efficiency

Energy Efficiency

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

Reliable Performance

  • Beckett AFII 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
  • 5-Year Limited Warranty on covered components