LF24 and TUAGarage HeatersEasy, innovative solutions for making your garage more usable and comfortable

LF24 and TUA ◆ Up to 75,000 Btuh and Up to 81% Thermal Efficiency

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Comfort for Your Family

Getting in and out of the car is more comfortable when you have a garage heater. Plus, you

can avoid the carbon monoxide buildup that comes from letting your car idle to warm up.

Warmth for Your Pets

For pets kept in the garage on cold days, a garage heater provides a safer

and more reliable alternative to a portable space heater.

30,000 to 75,000 Btuh for almost any size garage or utility area

Low-profile cabinet design with a choice of configurations

Separated combustion heater available* for hard-to-heat applications where excessive dust, dirt, humidity or negative pressure is a concern

Shipped completely assembled with controls factory-installed and wired

Natural or propane gas**

Garage Heaters

EAsY, innovATivE soLUTions For mAking YoUr gArAgE morE UsABLE And ComForTABLE

© Lennox Industries Inc. 2014Visit us at www.lennox.com, or contact us at 1-800-9-LENNOX.

(30W46) Garage Heater 05/14 PC78562

Protection for Your Car

A warm garage puts an end to cold starts, which can wreak havoc on engine compo-

nents. A garage heater helps improve vehicle reliability by preventing cold/hard starts at low temperatures.

space for Your Projects

A garage heater helps keep winter from getting in

the way of home projects. It also allows you to store items that would otherwise freeze, like bottled sodas and potted plants.

AdvAnCEd FEATUrEs For EFFiCiEnCY And dUrABiLiTY

Low-profile Cabinet design with Hanging Brackets – Allows more overhead space for increased installation flexibility.

Aluminized, Tubular Heat Exchanger – Provides excellent heat transfer and enhanced durability.

direct-spark ignition – Improves unit operation and efficiency. No standing pilot flame.

self-diagnostic Board with LEd display – Improves troubleshooting efficiency and accuracy.

single-piece Burner Assembly – Easily removable for fast maintenance and service.

sidewall venting – Eliminates roof penetrations.

WArrAnTy***10-year limited warranty on heat exchanger.

5-year limited warranty on remaining covered components.

* Contact your Lennox dealer for information on the T-Class™ (TUA) separated combustion heaters.

** Optional conversion kit available for propane applications.

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

Model

gas Heating Performance Physical dataHeating CapacityInput Btuh (kW)

HeatingOutput Btuh (kW)

Temp. Rise °F (°C) Application† Dimensions

H x W x L (in.)Shipping Wt.

(lbs.)

LF24-30A 30,000 (8.8) 24,300 (7.1) 42 (6) 1 to 1-1/2 Car Garage 13 x 25 x 24 60

LF24-45A 45,000 (13.2) 36,500 (10.7) 45 (7) 2 to 2-1/2 Car Garage 13 x 25 x 24 63

LF24-60A 60,000 (17.6) 48,000 (14.1) 55 (13) 3 to 3-1/2 Car Garage 18 x 25 x 25 87

LF24-75A 75,000 (22.0) 60,000 (17.6) 60 (16) 4+ Car Garage 18 x 25 x 25 91

TUA045S 45,000 (13.2) 36,200 (10.6) 45 (7) 2 to 2-1/2 Car Garage 13 x 26 x 25 84

All models are 115 volts- 60 hertz-1 phase.†Sizing information is provided as an example only. Consult your local Lennox dealer for actual requirements.Note: Due to Lennox’ ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.