Green Armitage is a new market-rate residential project with first floor commercial space and eight, 1,200- to 1,300-sf residential units. Project developer The Sanders Company is stressing energy efficiency in the five-story building, which is designed to exceed the 2006 International Energy Conservation Code (IECC) requirements by 80%. The building's prefabricated steel-studded wall system (from ELFI Wall System, Burr Ridge, Ill.) features steel studs covered with expanded polystyrene foam, and will provide much of the building's energy savings. Other eco-friendly measures include a high-efficiency furnace, instantaneous water heaters, and heat-recovery ventilators. Swiss Design Group will provide architectural services for the building, which is expected to obtain a LEED Silver certification.