An apparatus for disinfecting forced air systems, having a main member including an inner surface configured for receiving the forced air systems. The main member includes a plurality of apertures disposed along the inner surface. The apparatus has at least one temperature controller and at least one air source to the controller for heated blowing air. The apertures are in communication with at least the air source, and UV light from the light source and air from the air source can at least partially pass through the inner surface.