Performance characteristics of a dual-evaporator heat pump system for effective dehumidifying and heating of a cabin in electric vehicles

•A dual-evaporator heat pump is introduced for dehumidifying and heating the cabin.•Performances of the AC, HP, and DHP systems are measured at various conditions.•The HP and DHP systems showed superior performance to the conventional AC system.•The DHP showed higher performance than the HP at low indoor air temperatures.