Lenoxx Electronics O23 User Manual

O23 Oil Furnace ◆ Up to 83% AFUE

LENNOX’ ELITE® SERIES

Home Comfort Systems

O23

Clean, quiet and comfortable home heating

Elite® Series O23 Oil Furnace

Efficient operation can result

™

in significant energy savings

Quality components ensure
long-lasting reliability

Simple, durable design
allows easy maintenance
and serviceability

Compact size fits easily in
almost any closet, crawlspace
or basement, leaving plenty
of room for add-on
air conditioning

Innovation never felt so good.

The Elite® Series O23 oil furnace offers a clean, quiet and economical way to

keep your home warm and comfortable. High-quality components like the

Beckett burner reliably deliver heat to every room—year after year, with little

maintenance required.

CLEAN, QUIET AND COMFORTABLE HEATING,
WITH EASY MAINTENANCE

Built to exacting standards, the O23 furnace not only keeps you cozy and

comfortable—it also keeps your energy costs at a minimum. With efficiency

ratings of up to 83%, the O23 produces more heat per fuel dollar, which

means you’ll stay warm for less.

EFFICIENCY RATING

Up to 83% AFUE (Annual

Fuel Utilization Efficiency).

WARRANTY*

Limited lifetime warranty
on the heat exchanger.

5-year limited warranty
on all remaining covered
components.

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

2

Efficient Can save you

money each year on your

utility bills.

The O23 furnace is designed to

deliver lasting value and energy

savings. With heating efficiencies

of up to 83% AFUE, the O23 can

drastically reduce your energy costs,

compared to older furnaces.

3-YEAR HEATING SAVINGS

$4000

$3500

$3000

$2500

$2000

0

AFUE

83% efficient O23 oil furnace vs.
55% and 65% equivalent AFUE units

This chart depicts potential energy savings you can
expect from the O23 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 will vary depending on the weather, local
fuel rates and your lifestyle.

Source: Energy Information Administration, U.S.
Department of Energy national average energy rates,
2005 forecast.

83%

vs. 55%

$4033

$2194

83%

vs. 65%