Swamp Cooler Duct Through Roof Detail

Use an electric drill and drill bit to drill starter holes at the corners of the marked outline then use a saw to cut the outline.

Swamp cooler duct through roof detail. Drill a pilot hole through the roof and use a saber jig saw or equivalent tool to cut the 18 inch diameter hole. The collar or apron can be used as an 18 inch template. You will also need a sheet metal can fabricated the same size as your ceiling diffuser opening and another round collar tied into the end cap. The included flex duct length is 7 feet.

Use the cooler duct and a pencil or marking pen to mark the shape of the duct on the inside of the roof. Install several wooden blocks below the section of duct to. Roof mounted are the most common although they are more difficult to maintain. Mounted coolers are connected to ducts that bring the cooled air into the rooms of your home.

Cut out the marked duct outline with an electric saw. This may require access into the attic. Also this version is easier to perform maintenance on. The advantage of a ground mounted version is you don t have to worry about your swamp cooler leaking through the roof.

Diameter hole to be cut into the roof while not cutting through any roof joists. Fit the collar into the port on the side of the cooler with the section of duct extending horizontally above the duct riser at the roof. A typical side draft cooler. Keep the duct centered between the roof joists.

A typical down draft swamp cooler.