A radiant heating assembly including a burner for heating a heat exchanger and a reflector generally disposed about the heat exchanger. The reflector comprising a base defining a first air chamber. The reflector may also comprise one or more wings removably coupled to the base. The wings may be configured to define a second air chamber. The radiant heating assembly may also comprise an air circulation pump configured to draw air through the air chamber of the base and/or wing and provide the air to the burner to improve the efficiency of the combustion process.