A system for providing heating, cooling, and hot water within a vehicle, comprising: a water tank configured to hold water; a refrigeration system thermally-coupled to water tank via a heat exchanger, the refrigeration system comprising: a compressor configured to compress a refrigerant; a plurality of coils comprising: an interior coil for thermally coupling the refrigerant to an interior of the vehicle; and an exterior coil for thermally coupling the refrigerant to an exterior of the vehicle; a plurality of valves configured to selectively enable refrigerant flow through respective coils of the plurality of coils and the heat exchanger, wherein the plurality of valves comprises a first four-way valve selectively fluidly coupling the compressor, the interior coil, and a second four-way valve; and the second four-way valve selectively fluidly coupling the first four-way valve, the compressor, the exterior coil, and the heat exchanger; and a plurality of refrigerant lines selectively fluidly coupling the compressor, the plurality of coils, the heat exchanger, and the plurality of valves; and a controller communicatively coupled to the plurality of valves and configured to operate the system in a plurality of modes, comprising: a cooling and hot water mode for concurrently cooling the interior of the vehicle and heating water within the water tank; a heating and hot water mode for concurrently heating the interior of the vehicle and heating water within the water tank; a cooling mode for cooling an interior of the vehicle without heating the water; a heating mode for heating an interior of the vehicle without heating the water; and a hot water mode for heating water within the water tank without heating or cooling the interior of the vehicle. a water tank configured to hold water; a refrigeration system thermally-coupled to water tank via a heat exchanger, the refrigeration system comprising: a compressor configured to compress a refrigerant; a plurality of coils comprising: an interior coil for thermally coupling the refrigerant to an interior of the vehicle; and an exterior coil for thermally coupling the refrigerant to an exterior of the vehicle; a plurality of valves configured to selectively enable refrigerant flow through respective coils of the plurality of coils and the heat exchanger, wherein the plurality of valves comprises a first four-way valve selectively fluidly coupling the compressor, the interior coil, and a second four-way valve; and the second four-way valve selectively fluidly coupling the first four-way valve, the compressor, the exterior coil, and the heat exchanger; and a plurality of refrigerant lines selectively fluidly coupling the compressor, the plurality of coils, the heat exchanger, and the plurality of valves; and a compressor configured to compress a refrigerant; a plurality of coils comprising: an interior coil for thermally coupling the refrigerant to an interior of the vehicle; and an exterior coil for thermally coupling the refrigerant to an exterior of the vehicle; an interior coil for thermally coupling the refrigerant to an interior of the vehicle; and an exterior coil for thermally coupling the refrigerant to an exterior of the vehicle; a plurality of valves configured to selectively enable refrigerant flow through respective coils of the plurality of coils and the heat exchanger, wherein the plurality of valves comprises a first four-way valve selectively fluidly coupling the compressor, the interior coil, and a second four-way valve; and the second four-way valve selectively fluidly coupling the first four-way valve, the compressor, the exterior coil, and the heat exchanger; and a first four-way valve selectively fluidly coupling the compressor, the interior coil, and a second four-way valve; and the second four-way valve selectively fluidly coupling the first four-way valve, the compressor, the exterior coil, and the heat exchanger; and a plurality of refrigerant lines selectively fluidly coupling the compressor, the plurality of coils, the heat exchanger, and the plurality of valves; and a controller communicatively coupled to the plurality of valves and configured to operate the system in a plurality of modes, comprising: a cooling and hot water mode for concurrently cooling the interior of the vehicle and heating water within the water tank; a heating and hot water mode for concurrently heating the interior of the vehicle and heating water within the water tank; a cooling mode for cooling an interior of the vehicle without heating the water; a heating mode for heating an interior of the vehicle without heating the water; and a hot water mode for heating water within the water tank without heating or cooling the interior of the vehicle. a cooling and hot water mode for concurrently cooling the interior of the vehicle and heating water within the water tank; a heating and hot water mode for concurrently heating the interior of the vehicle and heating water within the water tank; a cooling mode for cooling an interior of the vehicle without heating the water; a heating mode for heating an interior of the vehicle without heating the water; and a hot water mode for heating water within the water tank without heating or cooling the interior of the vehicle.