The Landmark® Rooftop System in Saint Charles 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. And with an optional MSAV® supply fan, the Landmark is up to 27% more efficient1. 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 system is offered in 2- to 25-ton gas/electric and electric/electric and 2- to 20-ton heat pump configurations. Some of its best 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 lessens humidity ENERGY STAR® recognition Interlink compressor offers better reliability and efficiency Environ™ coil system ensures reliable operation and reduces the time it takes to clean the condensing coil Isolated compressor compartment enables compressor operation to run normally and not disrupt airflow during performance checks From installation to repairs, Golden Seal Service Experts Heating & Air Conditioning in Saint Charles can take care of all your Landmark rooftop system needs. We have more experience and training than any other HVAC company, so whether you’re looking to upgrade your system or simply need some repair work, we’ve got you covered. Call 630-246-2698 to find out more. 1 Part load. IEER improvement. Comparing standard 10.9 IEER system to optional MSAV 13.8 IEER system.