Wooden Return Air Duct

Cut holes in the top of the return air duct to match the holes in the panning.

Wooden return air duct.

Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes. 2009 iecc section 403 2 3 building cavities mandatory. Panned joist return ducts are almost always terribly leaky. The hvac guy used the space between the joists as part of his ductwork.

An insufficient return system or one too large will reduce the efficiency of the heating and increase energy bills. Before you shop take a moment to measure the size of the duct opening so you ll know what will fit and take note of what the covering looks like to find a suitable piece for the opening. Lowe s carries a variety of grilles registers and air deflectors to ensure you get airflow where you need it most. Volko supply can help produce many custom order wood vents.

Those junctions between wood and metal are difficult to seal and the thermal expansion and contraction of the wood will often cause sealing materials to fail. If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on. Return air duct is connected together using s slips and drive cleats. This allows the air to get into the return air duct.

It is my understanding that joist can not be inside the return air system at all unless they are flashed wrapped in metal. You want to run it so it covers up all the holes you cut in the panning. Cast aluminum air return duct cover elegant air return grill for ceilings floors walls durable sand casted powder coated matte flat black. Menards offers a wide range of ductwork pipe and fittings to help your ductwork systems run efficiently these products are used for warm air return supply and exhaust systems.

In addition its flexibility allows for easier installation in hard to reach areas. Just below the return air box in the crawl is the air handler. 12x24 wood return air filter grille. If the furnace is putting out 1 000 cubic feet per minute of air flow the return system must collect 1 000 cubic feet and take it back to the unit.

If installing return ducts using the floor or ceiling structure energy star recommends sealing both the exterior and the interior of all return boxes to prevent air leakage. Occasionally i see panned returns where the hvac company actually tried to seal it up. 16x30 wood return air filter grille. Pre finishing is also available as special order work.

Install the square return air duct perpendicular to the joists. This pulls the air across your body. If the supply ducts are in the floor then the return air should be located up high. A furnace return system must collect all the air being put out by that system.

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