Swamp Cooler Duct Through Roof Detail

Mounted coolers are connected to ducts that bring the cooled air into the rooms of your home.

Swamp cooler duct through roof detail.

A typical down draft swamp cooler. Install several wooden blocks below the section of duct to. Roof mounted are the most common although they are more difficult to maintain. This swamp cooler installation will require a section of rigid ducting down through the roof with an end cap and a round sheet metal collar the same size as the flex duct.

In some cases existing ductwork is used to move the air to the various rooms. 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. The advantage of a ground mounted version is you don t have to worry about your swamp cooler leaking through the roof.

Keep the duct centered between the roof joists. 2 buy a unit that can create 20 to 40 air changes per hour. A typical side draft cooler. Cut out the marked duct outline with an electric saw.

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. Diameter hole to be cut into the roof while not cutting through any roof joists. Also this version is easier to perform maintenance on. 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.

This may require access into the attic.