Lenoxx Electronics O23V quiet, efficient, comfortable heating, air quality, variable speed motor

Dave Lennox Signature® Collection O23V Oil Furnace

Innovation never felt so good.™

Variable speed operation assures comfort, efficiency and considerable noise reduction

Quality components ensure long-lasting reliability

Built to exacting standards with the highest-quality components, the Dave Lennox Signature® Collection O23V oil furnace is a superior way to keep your home warm and comfortable.

quiet, efficient, comfortable heating

Every innovation speaks to quality—from its innovative variable speed motor to its insulated steel cabinet. For those who refuse to compromise, the O23V oil furnace is the premium choice, inside and out.

Innovative variable speed motor

Uses variable speed technology to improve comfort and indoor



Efficiency rating Up to 83% AFUE (Annual Fuel Utilization Efficiency).

Warranty*

Limited lifetime warranty on the heat exchanger.

10-year limited warranty on all remaining covered components.

*Applies to residential applications only. See actual warranty certificate for details.

air quality

A variable speed motor moves at different speeds to precisely control the flow of air throughout your home. Better airflow control means a better balance of comfort.

When the variable speed motor increases speed, it does so smoothly and gradually. During summer months, this allows your air conditioner to remove moisture from the air for improved comfort and better indoor air quality.