Energy Efficient Design of Low-Rise Residential Buildings
ASHRAE Standing Standard Project Committee 90.2



Currently None.


Envelope Optimization Spreadsheet (4.25 MB Excel Spreadsheet)

NREL Final 30% Cold Climate Juole Report (4.76 MB .pdf)

This report summarizes research results for the 30% energy savings level and demonstrates that lead builders can successfully provide 30% homes in the Cold Climate Region on a cost neutral basis.

Opaque and Fenestration Construction Information (610 Kb Excel Spreadsheet)


This spreadsheet shows construction costs for opaque and fenestration construction assemblies.

Duct report for HVAC Subcommittee (116 kb pdf)

This reports the scopes of different duct sealing programs in different regions.

Standards and Codes

SSPC 90.2 Documents

Standards Related Links
Related Documents
ANSI/ASHRAE/IESNA Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings
ANSI/ASHRAE Standard 62.2, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings
ANSI/ASHRAE Standard 100, Energy Conservation in Existing Buildings
ANSI/ASHRAE Standard 105, Standard Methods of Measuring and Expressing Building Energy Performance
For more information on these standards 
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