A hot air producing system produces and stores hot air, and applies the stored hot air to a human body. The system includes a heating apparatus to heat the air, a temperature setting gauge to allow a user to set a desired temperature, a pressure gauge to measure a pressure of the air in the container, a pump to pump the hot air, a fill connection, an expandable container for receiving and storing the hot air, with a valve to connect to the fill connection such that the expandable container can receive the hot air, an adjustable flow release mechanism to allow a user to adjust an amount of flow of hot air out of the expandable container, and a flexible hose connected to the adjustable flow release mechanism, with a nozzle to direct the hot air to a portion of the human body.