A refrigerator that may include a cabinet to define a storage space, a door to open and close the storage space, a dispenser provided in the door to dispense hot water, a hot water tank through which water flows so as to heat water introduced into the door, a heater provided in the door to heat the hot water tank, a water inflow passage through which water is supplied to the hot water tank, a water discharge passage guiding hot water discharged from the hot water tank to the dispenser, a flow rate sensor provided in the water inflow passage to measure a flow rate of water flowing through the water inflow passage, a water inflow valve provided in the water inflow passage to adjust a flow of water in the water inflow passage, a water discharge valve provided in the water outlet passage, an input provided in the door to input a temperature of the hot water to be dispensed and a hot water dispensing command, and a controller to control the water inflow valve and the water discharge valve.