Energy-saving air-conditioning water heater

The utility model belongs to the technical field of water heater equipment, and particularly belongs to an energy-saving air conditioner hot water system. A first valve is arranged on a first pipeline connected between a compressor and an evaporator. A capillary tube I and a one-way valve I are connected in parallel to a pipeline II connected between the evaporator and the water tank; a third valve is arranged on a third pipeline connecting the compressor and the water tank; a fourth pipeline is connected to the air conditioner on a second pipeline from the first capillary tube and the first one-way valve which are connected in parallel to the water tank, and a second capillary tube and a second one-way valve are arranged on the fourth pipeline in parallel. The pipeline I between the valve I and the evaporator is connected with a pipeline V to the liquid storage tank, and a valve II is arranged on the pipeline V; the air conditioner is connected to a fifth pipeline between the second valve and the liquid stor