Expanded, the Landmark® line of rooftop units now includes high-efficiency models which can reach up to 12.7 EER and, with optional MSAV® (multistage air volume) supply fan technology, up to 14.5 IEER. The addition of the Environ™ Coil System on all 7.5-25-ton gas/electric and electric/electric units provides increased reliability and sustainability, while the BACnet option ensures seamless integration with the most popular building automation system protocol, said the company. The factory- or field-installed BACnet option is equipped with a BACnet Testing Laboratories-listed device that ensures seamless integration with BACnet systems. The Landmark unit’s flexible design offers more than 100 field-customizable options and over 30 features designed to reduce installation and service time. Landmark units are available in 2-25-ton standard-efficiency and 7.5-25-ton high-efficiency gas/electric and electric/electric configurations, and 2-20-ton heat pump configurations, with efficiency ratings up to 13 SEER, 12.7 EER, and 14.5 IEER.