Patent ID: 6431979
Filing Date: 2002-08-13
Classification: F24F

Abstract:
A wall curb for removably securing a wall mounted HVAC unit to the return air and supply air ducts emanating from a building comprising:a top secured approximately perpendicularly to two spaced apart parallel side walls, a back wall secured approximately perpendicularly to the two side walls and to the top, a front edge provided on both said two side walls and said top, a first partition provided between the side walls and extending from the back wall to said front edge, said first partition spaced apart from said top to form a supply air passageway with said top, said back wall, and said two side walls, said back wall provided with a supply air opening such that the supply air opening communicates with the supply air passageway and the supply air opening secures to a return air duct from within a building, the first partition forming a return air passageway with said back wall, and said two side walls, said back wall provided with a return air opening such that the return air opening communicates with the return air passageway and the return air opening secures to a return air duct from within a building, and means to removably secure a HVAC unit to said front edges, and means to secure said back wall to an exterior surface of a wall of a building at a location on the wall so that said back wall encompasses the return air and supply air ducts emanating from the building.