The Carter-Hoffmann 120-volt insulated warming cabinet Carter-Hoffmann constructed of lightweight, durable aluminum and, thanks to its casters, slides easily under counters. This model features a single door made of single-pane tempered glass and is ideal for keeping food at the right temperature for extended periods. It has a removable forced-air heating unit mounted at the bottom, and the control is operated manually via a dial. Its maximum temperature is 190 degrees Fahrenheit.