Heated sanitary sandwich bin with air curtains

A sanitary sandwich bin for maintaining elevated temperatures therewithin without excessive desiccation of sandwiches kept therein and providing front and rear alway-open service openings, comprising a housing, said housing including a front wall, a rear wall, a thermally insulated top, a pair of side walls and a floor, said front and rear walls each defining an always-open service opening substantially across the width of the bin through which sandwiches may be inserted and from which they may be withdrawn in first-in-first-out order, and guide means for guiding rows of sandwiches from the rear service opening to the front service opening, front blowers and rear blowers having an intake side and a discharge side, a rear air discharge nozzle across the width of the rear service opening for discharging an air curtain across the rear service opening, a front air discharge nozzle across the width of the front service opening for discharging an air curtain across the front service opening, separate duct means communicating the discharge of each of said front and rear blowers with its respective front and rear nozzles, electric heaters in said front and rear ducts for heating the air to be discharged through said nozzles, and air-return chambers defined by said housing for receiving air from the air curtains and communicating with the intake side of said blowers.