The Landmark® Rooftop System: Greater Performance. More Flexibility. The Lennox® Landmark rooftop system boasts more than 30 features. It’s available in both standard- and high-efficiency units, with a SEER rating of up to 13.0, a 14.5 IEER rating and an EER rating of up to 12.7. And with an optional MSAV® supply fan, the Landmark is up to 27% more efficient1. The savings continue with this system’s Environ™ coil system, which uses up to 52% less refrigerant and is up to 59% lighter. This system is available 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 reduce CO2 and VOC levels Field- or factory-installed MERV 8 or 13 filters reduce airborne particles Optional MSAV supply fan reduces humidity ENERGY STAR® certification Interlink compressor delivers 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 during performance checks From installation to maintenance, Service Experts Heating & Air Conditioning can take care of all your Landmark rooftop system needs. We’re the experts in this field, so whether you’re looking to purchase a new system or just need a little repair work, we’ve got you covered. Call 866-397-3787 to learn more. 1 Part load. IEER improvement. Comparing standard 10.9 IEER system to optional MSAV 13.8 IEER system.