A bed warmer apparatus including box-like housing member that has a pair of elongated side walls with a pair of short side walls therebetween. The pair of elongated side walls and the pair of short side walls are interconnected to a top wall. The top wall has a cylindrical coupler extending therefrom and defining an opening in the top wall. The housing member is sized for positioning around an air vent and receiving air therein to pass through the cylindrical coupler. Also, a fluted nozzle with a first end and a second end is provided. Lastly, an elongated flexible hose is included and has a first hose end coupled with the coupler and a second hose end coupled with the first end of the fluted nozzle.