Combination valance and conditioned air admission and return ducts

Claim 1

An improved air treatment system for a dwelling comprising: an air diffusion chamber associated with the ceiling and having at least a portion thereof in a position of close proximity to an outer wall of the dwelling; an opening formed in the chamber facing downwardly in close proximity to the wall and paralleling the wall for venting the chamber to the room; a conditioning unit having integral fan means for generating a flow of conditioned air to the chamber; means for conducting the air from the generating means to the chamber; means for returning the air vented into the room to the air generating means; a suspended valance member associated with and extending below the chamber for concealment of the opening from view within the room; an auxiliary fan located in the air returning means to cause the returned air to be drawn through the air returning means and be forced into the integral fan means of the conditioning unit; said air return means comprising a network of interconnected concrete channels constructed directly in the ground to extend beneath each of the rooms of the structure and be concealed by the floor of the structure; and plural apertures extending through the flooring to communicate with the network of channels, said plural apertures positioned to provide at least one aperture in each of the major rooms of the structure; said network of interconnected channels additionally formed to receive service utilities for said structure.