Restaurants, or facilities with commercial kitchens, feature are one of the highest energy consumers of buildings ? using approximately 250,000 Btu/sq.ft. This is roughly 2.5 times more energy per square foot than other commercial buildings. There are currently 6 ENERGY STAR qualified products for Commercial Kitchens: Commercial Dishwashers Commercial Fryers Commercial Griddles Commercial Hot Food Holding Cabinets Commercial Ice Machines Commercial Ovens Commercial Solid Door Refrigerators & Freezers Commercial Steam Cookers Commercial Laboratory Grade Refrigerators and Freezers is a new product under development.