Wisconsin Oven is proud to offer their E-Pack™ Oven upgrade. This optional energy-efficient package, which includes thicker wall panels, high-efficiency motors, a door limit switch and other energy-saving items, will reduce operating costs, which saves thousands of dollars! Not only will the E-Pack reduce operating costs, your return on investment will be measured in months, not years! A typical payback for the initial investment is in the range of 9-15 months.