Attic Furnace No Return Plenum

Watch as a pro quickly assembles the return air plenum and shows you how to do the same.

Attic furnace no return plenum.

For the system to work you have to re circulate the air back to the furnace. The flexible design allows for connection of a new or existing side air return on either side based on the placement of the reinforced sheet metal panel of the return air box assembly. If the space is conditioned it no longer is an attic and needs to be called conditioned space wiring within an area used as a plenum has to be in conduit. If you had no return air in your room you would create a positive pressure.

When you place a furnace in the attic to take advantage of its. You might not receive the same air movement benefits if the unit is in a garage either. While none of these spaces makes an acceptable air pathway on its own some building cavities such as floor joists can make acceptable duct chases to contain an insulated air sealed metal or flex supply. A furnace in the attic is a design that works for all homes.

Ensure proper return air flow for your 17 5 ensure proper return air flow for your 17 5 in winchester residential electric furnace application with this easy to assemble return air box. Your order will also include alpine s exclusive free instructional video on dvd. A return air plenum is the ducting that is attached to a furnace for that return air to flow through and is used as a central manifold for other return air ducting. That would then reduce the flow of conditioned air to that space.

Air handler platforms used as return air plenums can draw air from vented attics and crawlspaces through other connected framing cavities. If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure.