Assessment of the Energy Impacts of Outside Air in the Commercial Sector

Research output: NRELTechnical Report


The enormous quantity of energy consumed by U.S. commercial buildings places a significant burden on the energy supply and is a potential source of economic strain. To address this, the DOE Building Technologies Program has established the goal of developing market-viable zero energy buildings by 2025. This study focuses on the effects of outside air, and considers various outside air sources,types of building construction, building subsectors, and climates. Based on the information about energy consumption attributed to outside air, it identifies topics for further research that have the greatest potential to achieve energy savings.
Original languageAmerican English
Number of pages56
StatePublished - 2009

NREL Publication Number

  • NREL/TP-550-41955


  • outside air
  • ventilation
  • ZEB
  • zero energy building


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