The Landmark® Rooftop System in Dallas The Landmark® Rooftop System: Greater Performance. More Flexibility.The Lennox® Landmark rooftop system boasts more than 30 features. Available in standard- and high efficiency units, the Landmark offers a SEER rating of up to 13.0, a 14.5 IEER rating and an EER rating of up to 12.7. When you add the optional MSAV® supply fan, you’ll see the Landmark’s efficiency increase by up to 27%1. The savings continue with this system’s Environ™ coil system, which uses up to 52% less refrigerant and has up to 59% less weight. The Landmark is offered in 2- to 25-ton gas/electric and electric/electric and 2- to 20-ton heat pump configurations. Some of its special features include: Field-installed CO2 sensors to decrease CO2 and VOC levels Field- or factory-installed MERV 8 or 13 filters cut back on airborne particles Optional MSAV supply fan reduces humidity ENERGY STAR® recognition Interlink compressor enables better reliability and efficiency Environ™ coil system ensures reliable operation and reduces the time it takes to clean the condensing coil Isolated compressor compartment allows compressor operation to run normally and not disrupt airflow throughout performance checks From installation to repairs, Levy & Son in Dallas can take care of all your Landmark rooftop system needs. After all, we’re the experts, so whether you’re looking to purchase a new system or only need some repair work, we’ve got you covered. Call 469-250-0932 to find out more. 1 Part load. IEER improvement. Comparing standard 10.9 IEER system to optional MSAV 13.8 IEER system.