The Landmark® Rooftop System in Austin The Landmark® Rooftop System: Greater Performance. More Flexibility.The Lennox® Landmark rooftop system boasts many outstanding 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. Saving increase further with this system’s Environ™ coil system, which uses up to 52% less refrigerant and has up to 59% less weight. 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 special features include: Field-installed CO2 sensors to lower CO2 and VOC levels Field- or factory-installed MERV 8 or 13 filters reduce airborne particles Optional MSAV supply fan helps control humidity ENERGY STAR® designation Interlink compressor enables better reliability and efficiency Environ™ coil system ensures reliable operation and decreases 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 routine service, Strand Brothers Service Experts Heating & Air Conditioning in Austin 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 simply need a bit of repair work, we’ve got you covered. Call 512-592-3072 to find out more. 1 Part load. IEER improvement. Comparing standard 10.9 IEER system to optional MSAV 13.8 IEER system.