Method for converting a structure into a disinfestation apparatus

1 - 12 . (canceled)

13 . A process for converting an existing enclosed structure into an apparatus for eradicating pests, the enclosed structure having a first endwall, a second endwall, a left wall, a right wall, a ceiling and a floor that define an interior chamber, the process comprising the steps of:

providing a heater capable of heating the interior air of the chamber to a desired temperature for a desired period of time, the heater having an inlet for drawing in cooler air and an outlet for outputting air after it has been heated, said heater being located outside of said structure;

modifying the first endwall with a chamber inlet for accepting heated air from the heater;

attaching a plenum on the inside of said chamber proximate the chamber inlet, the plenum being designed to accept and assist in distributing the heated air;

hanging ductwork on the inside of said structure proximate the ceiling, the ductwork communicating with said plenum for allowing heated air to travel from the plenum through the ductwork, said ductwork having a plurality of perforations for distributing the heated air from the ductwork throughout the chamber; and

attaching a return baffle proximate the plenum, said return baffle communicating with said plenum for drawing in at least a portion of the air in the chamber and directing said drawn air back into the plenum preferably to be remixed with the heated air.

14 . The process of claim 13 further comprising the step of insulating said walls, the ceiling and the floor.

15 . The process of claim 13 wherein said heater is a direct fired heater that draws air into its inlet from outside the chamber.

16 . The process of claim 13 wherein said heater is an indirect fired heater, further comprising the steps of:

providing a plenum deck between the plenum and the return baffle for at least partially restricting the air drawn from the chamber from being directed to the plenum;

modifying the endwall proximate the return baffle with a chamber outlet; and

connecting the heater inlet to the chamber outlet with a duct for directing at least a portion of the air drawn by the return baffle from the chamber into the heater.

17 . The process of claim 16 wherein said ductwork comprises two elongated ducts extending from the plenum along the entire length of the structure, one elongated duct positioned along the left wall and the other elongated duct positioned along the right wall.

18 . The process of claim 16 wherein said ductwork comprises a left side elongated duct and a right side elongated duct, the elongated ducts having a triangular cross-section wherein a portion of the ceiling and a portion of the left wall form two sides of the left side elongated duct and a portion of the ceiling and a portion of the right wall form two sides of the right side elongated duct.

19 . The process of claim 18 further comprising the step of providing a fan assembly that communicates with said plenum for forcibly blowing air into the ductwork.