Patent ID: 7316119

Claim:
A vehicle comprising: an interior area including a driver compartment and a sleeper compartment; a first apparatus adapted to provide occupant comfort air at least in the driver compartment the first apparatus including a first apparatus fan; a ground-engaging wheel; a power source adapted to power the first apparatus and the ground-engaging wheel when the power source is operating; a second apparatus adapted to provide occupant comfort air at least in the sleeper compartment, the second apparatus including a first heat transfer device, a second heat transfer device and a second apparatus fan adapted to facilitate air flow with respect to the first and second heat transfer devices to provide conditioned air at least in the sleeper compartment, wherein the first and second heat transfer devices are either both adapted to heat or both adapted to cool the sleeper compartment; and a control mechanism adapted to permit operation of the second heat transfer device and prevent operation of the first heat transfer device when the power source is operating and adapted to permit operation of the first heat transfer device and prevent operation of the second heat transfer device when the power source is not operating.