Gas air-heater

The utility model relates to a gas heating apparatus, belonging to heating equipment. The utility model is composed of a furnace body, an internal furnace, a combustion head, a reflector and an air inlet pipe, wherein, the combustion head is arranged in the internal furnace which is a sealing element arranged in the furnace body; the front of the internal furnace is provided with a refractory glass door, and the back is provided with the reflector; space formed between the internal furnace and the furnace body is a furnace chamber; a fan is arranged in the furnace chamber; the furnace body is also a sealing element; a mesh enclosure which can be opened and closed is arranged above the front of the furnace body; the air inlet pipe is communicated with the internal furnace. The utility model has the advantages that the radiative mode of forced convection is adopted, heat is fed indoors at a highest speed, and the quality of room air can not be influenced.