LF24 Garage Heaters

10-year limited warranty on heat exchanger
5-year limited warranty on remaining covered components

* Sizing application is provided as an example only. Consult your local Lennox dealer for actual requirements
** Optional conversion kit available for propane applications.


•<strong> Comfort</strong>
Keeps your garage or workshop comfortable—regardless of outside weather conditions
Provides warmth for a 1 car up to a 4+ car garage application*
Protects your vehicles from engine wear; improves vehicle life, fuel economy and reliability
Provides warmth for pets and plants kept in the garage
•<strong> Efficiency</strong>
30,000 to 75,000 capacity for almost any size garage or utility area
Uses natural or propane gas**
Up to 80% thermal efficiency
Direct spark ignition improves unit operation and efficiency
• <strong>Easy Installation</strong>
Compact cabinet design with hanging brackets–low profile for low ceiling applications, allowing more overhead clearance and installation flexibility
Sidewall venting eliminates roof penetrations
Single-piece burner assembly easily removes for maintenance and service
Quick, easy installation by a Lennox® dealer/installer
• <strong>Reliability</strong>
Uniform heat distribution with a tubular heat exchanger and other advanced components


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