
Standard efficiency units (580F036-060, 073, 091,103,121,151, and 180-300) that meet ASHRAE 90.1-04 minimum energy efficiency requirements are also available. High efficiency units (581B036-150 and 581A155-300) well exceed ASHRAE 90.1-04 energy efficiency requirements and must comply with Energy Star high efficiency requirements. Gas heating with electric cooling rooftops offer: • Pre-painted galvanized steel cabinet for long life and quality appearance • Commercial strength base rails with buil