Thermostatic hot air apparatus

The utility model relates to a thermostatic hot air apparatus, which mainly comprises a thermostatic oven, an electrical bar, a hot air chamber, an air inlet and outlet of the hot air chamber, a control thermocouple, a thermostatic switch, etc.; wherein, heat transfer oil is arranged in the thermostatic oven, the hot air chamber, a heat transfer oil inlet pipe and an oil return pipe; the electrical bar inserted in the heat transfer oil is arranged at the top of the thermostatic oven or other proper positions; the hot air chamber is provided with a plurality of ventilating pipes; the control thermocouple arranged at the air outlet of the hot air chamber is connected with the thermostatic switch and the electrical bar through an electric wire. The constant temperature hot air can be provided with different temperatures; the utility model has simple structure, and can be used for various places.