The Landmark® Rooftop System in Rochester The Landmark® Rooftop System: Greater Performance. More Flexibility.The Lennox® Landmark rooftop system boasts lots of impressive 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. Even more savings are available with this system’s Environ™ coil system, which uses up to 52% less refrigerant and weights up to 59% less. This equipment is offered in 2- to 25-ton gas/electric and electric/electric and 2- to 20-ton heat pump configurations. Some of its many attractive features include: Field-installed CO2 sensors to decrease CO2 and VOC levels Field- or factory-installed MERV 8 or 13 filters limit airborne particles Optional MSAV supply fan lessens humidity ENERGY STAR® certification Interlink compressor offers better reliability and efficiency Environ™ coil system ensures reliable operation and shortens the time it takes to clean the condensing coil Isolated compressor compartment permits compressor operation to run normally and not disrupt airflow in the middle of performance checks From installation to maintenance, Strogen's Service Experts Heating & Air Conditioning in Rochester can take care of all your Landmark rooftop system needs. After all, we’re the experts, so whether you’re looking to upgrade your system or only need a bit of repair work, we’ve got you covered. Call 603-923-4570 to learn more. 1 Part load. IEER improvement. Comparing standard 10.9 IEER system to optional MSAV 13.8 IEER system.