ENERGY OPTIMIZATION

Model L rooftop units deliver the lowest total cost of ownership through variable-speed components and intelligent operation.
Energy-saving efficiency ratings of up to 22.5 SEER, 23.3 IEER, and 15.0 EER are among the highest in the industry.
Optimized humidity control with enhanced dehumidification and optional Humiditrol™+ reduces energy usage over traditional hot-gas reheat systems.
Qualifies for rebate programs, delivering even more ways to save money.

ENGINEERED INTELLIGENCE

The Lennox® CORE Control System delivers connected service, open integration, reliable performance, and efficiency optimization to empower all parts of your organization.
Mobile App interface provides intuitive guided setup, reports, and parameter adjustment to optimize unit operation.
Open integration and control with standard BACnet IP & MS/TP, LONTalk, thermostats, and all-new wireless sensors allow freedom of choice and custom monitoring and control.
Diagnostics and sensor system monitors component performance, tracks capacity and efficiency, and alerts when necessary, enabling smart asset management.

Advanced technologies deliver premium comfort and indoor air quality in a wide range of applications.
Humiditrol™+, Lennox’s new modulating hot gas reheat dehumidification system, provides energy-efficient dehumidification for superior indoor air quality and year-round comfort.
UVC germicidal lights and high-MERV filter options provide indoor air quality solutions for comfortable air in diverse climate zones.
Modulating compressors and fans optimize efficiency and comfort to meet space demands in both single-zone and multi-zone VAV applications.

Model L rooftop units maximize the efficiency of maintenance and service operations, reducing operational costs and minimizing downtime.
The mobile app interface, Lennox CORE Service App, integrates diagnostic, test, and troubleshooting functionalities, reducing install times over traditional built-in interfaces.
DirectPlus™ blower standard up to 12.5 tons eliminates traditional belt-drive maintenance and costs.
The Simple Service System offers tool-less filter access, slide-out blower, isolated compressor compartment, and accessible gas compartment, which further reduces service time.

Model L units feature a lead variable-speed compressor and variable-speed blower to maintain a constant discharge air and room temperature to efficiently deliver complete comfort.
Humiditrol+ is a modulating hot-gas reheat dehumidification system that can vary the sensible and latent capacity of the Model L unit to better match the dehumidification demand of the space.
Model L units are enabled with enhanced dehumidification (EDH) mode, which is designed to provide additional dehumidification when both cooling and dehumidification demands are present.
3-12.5-ton Model L units are equipped with a direct-drive, variable-speed blower that eliminates maintenance and service costs associated with traditional belt-drive motors.

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