Return Ducts In Attic

Can accept any size collar up to 18 in.

Return ducts in attic.

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. Hvac ductwork sizing is critical for proper heating and cooling in every room. Product is knocked down for shipping and must be. Have to get the air back to the furnace.

Return air ducting is necessary in almost every room. Return air leaks from attic if you measure supply and return temperatures at the. 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. 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.

Sizing your return ducts usually depends on the size of your ducts as well as the size of your hvac system. These ductwork tips will help balance your air conditioning and heating system. Used as a central return vent box filter grill not included. I ve read a bunch of articles here and on bsc s site concerning ducts in the attic.

The remaining 2 tons of capacity is at least 1 5x oversized for the actual 1 load. In addition to comparing ducts in the attic to ducts inside the building envelope roberts and winkler also looked at electricity savings of other measures such as adding insulation installing better windows and using higher efficiency air conditioners. My 1948 ranch house has supply ducts in the crawlspace return ducts in the attic.