Residential Performance:

Annual Energy Databases & Modeling Assumptions

The following Annual Energy Databases and Documentation can be downloaded from this page:

Custom AEP Rating Calculator (Draft November 2001)
Original NFRC900 database (542Kb, Excel spreadsheet) developed and approved by NFRC Annual Energy Subcommittee of heating and cooling energies, for 14 typical windows, in 52 North American climates, for typical new houses.
Database for Discussion by NFRC Annual Energy Subcommittee: New Homes; 34 RESFEN windows with an infiltration rate of 0.3 cfm/sf; 52 North American climates
Database for Discussion by NFRC Annual Energy Subcommittee: Existing Homes; 34 RESFEN windows with an infiltration rate of 0.3 cfm/sf; 52 North American climates 
RESFEN Modeling Assumptions:  Documentation of the modeling assumptions used for all the RESFEN databases
DOC file (91 K Microsoft Word 97 format)
PDF file (163 K Adobe Acrobat 4.0 format )getacro.gif (712 bytes)
RESFEN Window Library Assumptions:  Documentation of the 34 windows used for the New and Existing Homes databases.
DOC file (36 K Microsoft Word 97 format)
PDF file (99 K Adobe Acrobat 4.0 format)getacro.gif (712 bytes)