A fermentation and aging apparatus and a method for controlling a fermentation and aging apparatus are provided. The fermentation and aging apparatus may include a tank in which a fluid, such as water may be accommodated, a fermentation container forming a space in which the fluid discharged from the tank may be accommodated, a pump disposed in a channel between the tank and the fermentation container to supply the fluid accommodated in the tank to the fermentation container, a flow rate control valve configured to control a flow rate of the fluid discharged from the tank, a heater configured to heat the fluid discharged from the tank, a temperature sensor configured to measure a temperature of the fluid passing through the heater, and a controller configured to control a degree of opening of the flow rate control valve based on the measured temperature.