Need to hold hot food over 4 hours? Is it bitterly cold outside? With an energy-efficient heater built right into the door, the H-Series cart takes legendary Cambro transporter performance to the next level. Designed to keep food safe and hot for over 4 hours, in cold air temperatures and when frequent access for replenishment is needed, the Cambro H-Series heated cart keeps food safe and hot for as long as needed and recovers temperature within 3 minutes of opening. Stays cool to the touch even when plugged in. Uses less energy than 3 standard 100 watt light bulbs. Holds 8-4" deep food pans.