CPC F24F 13/0209 (2013.01) [F24F 13/029 (2013.01); F24F 13/0245 (2013.01); F24F 13/0272 (2013.01)] | 20 Claims |
1. A heating, ventilation and air conditioning air conveyance apparatus comprising:
a plurality of panels adapted to be field-assembled to form the heating, ventilation and air conditioning air conveyance apparatus the plurality of panels comprising:
a pair of first quadrilateral panels, each first quadrilateral panel defining a right-angle flange extending from each of a pair of opposite edges;
a pair of second quadrilateral panels, each second quadrilateral panel defining a hemmed cleat along each of a pair of opposite edges, each hemmed cleat shaped and dimensioned to receive one of the first quadrilateral panel right-angle flanges, each hemmed cleat comprising a screw receptive pilot hole configured to receive a fastener to secure a first quadrilateral panel right-angle flange received in the hemmed cleat slot, to form the heating, ventilation and air conditioning air conveyance apparatus; and
heating, ventilation and air conditioning unit mating flanges extending from each other edge of each of the first quadrilateral panels and/or from each other edge of each of the second quadrilateral panels, such that at least a pair of opposed peripheral heating, ventilation and air conditioning unit mating flanges extend from each end of the heating, ventilation and air conditioning air conveyance apparatus.
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