Transom returns are installed over interior doors to provide a pathway for return air

Transom returns are installed over interior doors to provide a pathway for return air

Reference

Measure Guideline: Summary of Interior Ducts in New Construction, Including an Efficient, Affordable Method to Install Fur-Down Interior Ducts

Author(s)

Beal David,

McIlvaine Janet E R,

Fonorow Ken,

Martin Eric

Organization(s)

Building America Partnership for Improved Residential Construction,

BA-PIRC,

National Renewable Energy Laboratory,

NREL,

Florida Solar Energy Center,

FSEC,

U.S. Department of Energy,

DOE

Document illustrating guidelines for efficient installation of interior duct systems in new housing.