Selectively controlled air conditioner outlet system of a vehicl

Space heating system utilizing engine exhaust heat

Supplementary heater for open vehicles

System and method of heat distribution in engine powered craft

System for controlling climate within a vehicle

System for heating interior spaces of engine-driven vehicles

System for heating the operators cabin of a machine powered by a

System for heating the service cabin of a machine

System for heating the service cabin of a machine operated by an

System for heating the service cabin of a motor vehicle

System for heating vehicular operator space and engine fuel, and

System for preheating a water-cooled vehicle engine and for heat

System for supplying motor vehicle diesel engines with fuel