Return Ducts In Attic

My 1948 ranch house has supply ducts in the crawlspace return ducts in the attic.

Return ducts in attic.

Return air leaks from attic if you measure supply and return temperatures at the. Return ducts in my attic. In more cases than not a 3 ton ac with the ducts in the attic has a ton or so of load that s just from the location of the ducts in the attic and the associated duct gains leakage etc. In most cases if you are installing ducts in each room where there is a supply you will want to go with the same size as your supply vents.

Return air ducting is necessary in almost every room. I ve read a bunch of articles here and on bsc s site concerning ducts in the attic. Used as a central return vent box filter grill not included. Product is knocked down for shipping and must be.

I ve replaced the supply ducts and have insulated and encapsulated my crawlspace according to the best methods presented on this site. Can be easily cut to size. Sizing your return ducts usually depends on the size of your ducts as well as the size of your hvac system. Have to get the air back to the furnace.

The remaining 2 tons of capacity is at least 1 5x oversized for the actual 1 load. Can accept any size collar up to 18 in. The duct board return air box is an r6 the duct board return air box is an r6 insulated box that installs traditionally in a ceiling.