Interaction of Unvented Attics With Living Space in Three Northeast Homes

Stacey Rothgeb, S. Puttagunta, O. Faakye, Stacey Rothgeb (NREL Technical Monitor)

Research output: NRELSubcontract Report


Unvented roof assemblies are becoming common in North American construction. It is estimated that over 100,000 have been constructed since 1995 (Schumacher 2007). According to RECS 2011, more than 30% of homes with attics can be found in the very cold/cold climate areas, which equals about 10.4 million housing units. The magnitude of these numbers emphases the significance of properlyunderstanding how the attic conditions vary with respect to the conditioned space below.
Original languageAmerican English
Number of pages40
StatePublished - 2015

Bibliographical note

Work performed by Consortium for Advanced Residential Buildings (CARB), Norwalk, Connecticut

NREL Publication Number

  • NREL/SR-5500-63477

Other Report Number

  • DOE/GO-102015-4611


  • attic conditions
  • Building America
  • consortium for advanced residential buildings
  • humidity ratio
  • Northeast
  • residential
  • residential buildings
  • Steven Winter Associates, Inc.
  • SWA
  • temperature differential
  • unvented attics


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