Notes

1 A heating degree-day is the difference between the mean temperature for a 24-hour period and 65^oF when the mean is below 65^oF. A cooling degree-day is the difference between the mean temperature for a 24-hour period and 65^oF when the mean is above 65^oF.

2 For detailed information about the NEMS residential module, see Energy Information Administration, Model Documentation Report: Residential Sector Demand Module of the National Energy Modeling System, DOE/EIA-M067(98) (Washington, DC, January 1998), also available electronically in portable document format (PDF) at EIA*s ftp site: ftp://ftp.eia.doe.gov/pub/model.docs/mo6798.pdf.

3 See A. Jaffe and R. Stavins, “The Energy-Efficiency Gap, What Does It Mean?” Energy Policy, Vol. 22, No. 10 (October 1994), p. 804.

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The Importance of location and Housing Type with Respect
to Future Residential Sector Energy Use