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A Comparative Analysis of Residential Energy Use for 2009 IECC Code Compliance and 2001 IECC Compliance with 2006 NAECA Appliance Standards for Selected Climate Zones in Texas
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This paper presents results of a comparative analysis of the electricity and natural gas savings from the implementation of 2009 International Energy Conservation Code (IECC) when compared with the 2001 IECC1 specifications with 2006 NAECA for a new single-family residential construction. The analysis uses a DOE-2 simulation for five locations in Texas (Houston, Brownsville, Dallas/Fort Worth, El Paso and Amarillo). The analysis shows that a code – compliant house built to the specifications of the 2009 IECC uses 10% – 16% less site energy annually than a house meeting the specifications of the 2001 IECC, for an air-conditioned house with a natural gas furnace. The results also show that an air conditioned 2009 code - compliant house with a heat pump uses 10% - 14% less site energy annually.
Mukhopadhyay, J.; Baltazar, J. C.; Liu, Z.; Haberl, J.; Culp, C.; Yazdani, B. (2010). A Comparative Analysis of Residential Energy Use for 2009 IECC Code Compliance and 2001 IECC Compliance with 2006 NAECA Appliance Standards for Selected Climate Zones in Texas. Energy Systems Laboratory (Http://esl.tamu.edu). Available electronically from