The Landmark® Rooftop System in Grand Island The Landmark® Rooftop System: Greater Performance. More Flexibility.The Lennox® Landmark rooftop system boasts many outstanding 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. Even more savings are available with this system’s Environ™ coil system, which uses up to 52% less refrigerant and is up to 59% lighter. 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 many attractive features include: Field-installed CO2 sensors to decrease 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 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 enables compressor operation to run normally and not disrupt airflow during performance checks From installation to routine service, McElroy Service Experts Heating & Air Conditioning in Grand Island 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 buy a new system or simply need some repair work, we’ve got you covered. Call 308-210-4398 to set up your free consultation. 1 Part load. IEER improvement. Comparing standard 10.9 IEER system to optional MSAV 13.8 IEER system.