A refrigerated display case for maintaining food product at a desired temperature. The refrigerated display case includes a case, a product display area, and a refrigeration system. The case includes a plurality of interconnected structural components including a first structural component with first and second sides, a second structural component coupled to the first structural component on the first side with a tab and slot connection, and a third structural component coupled to the first structural component on the second side with a tab and slot connection. The product display area is defined at least in part by the plurality of interconnected structural components and is adapted to support and display the food product. The refrigeration system supplies refrigerated air to the product display area and is adapted to maintain the food product at the desired temperature.