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Lennox T Series® RTU (GTA).
Packaged Rooftop Unit
True performance backed by rugged durability.
Energy Efficiency
Standard and high efficiency available in 3- to 25-ton, up to 13 SEER, up to 11.0 EER and 11.4 IPLV. 3- to 5-ton models meet ASHRAE 90.1-2004 regulations and NAECA regulations. 6- to 25-ton models meet ASHRAE 90.1-2004 regulations. Energy Star®-qualified.
Application solutions for efficient operation
Easy-Access Panels – remove easily for quick access to the compressor, refrigerant components and electrical controls. Full-Perimeter Base Rail – provides greater structural integrity so the unit is easier to handle when rigging and transporting. Isolated Compressor Compartment – allows performance check during normal compressor operation without disrupting airflow. Fork Slots on Three Sides – easy to pick up and transport units from almost any angle. Slide-Out Blower Deck – improves service access for blower and motor.
Quick, easy installation and maintenance
Easy-Access Panels – remove easily for quick access to the compressor, refrigerant components and electrical controls. Full-Perimeter Base Rail – provides greater structural integrity so the unit is easier to handle when rigging and transporting. Isolated Compressor Compartment – allows performance check during normal compressor operation without disrupting airflow. Fork Slots on Three Sides – easy to pick up and transport units from almost any angle. Slide-Out Blower Deck – improves service access for blower and motor.
Reliable performance
Corrosion-Resistant Cabinet – G-90 galvanized steel cabinet under a two-layer surface protects against rust and corrosion. Multiple Compressor Circuits – allow the unit to provide efficient heating and cooling. Independent Motor Mount – allows for easy, efficient access without removing top panel. Direct Spark Ignition – electronic ignition eliminates standing pilot and enhances efficiency (packaged gas/electric model only). Pre-defined Supply Fan Motor/Drive Combinations – make selecting components to meet static and airflow requirements quick and easy. Thermostatic Expansion Valves – provide peak cooling performance across the entire application range.
Warranty
15-Year Limited Warranty on stainless steel gas heat exchanger. 10-Year Limited Warranty on aluminized gas heat exchanger. 5-Year Limited Warranty on compressor. 1-Year Limited Warranty on covered components.

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