1 New construction for 1997 includes only those housing units built and occupied between January and the April-August period when the household interviews were conducted. 3 Estimates provided by the household interview respondents, who were asked which category best described the total heated floorspace in the home. 4 Based on the household respondent's description rather than the Federal Government definition. --= Data not applicable. NF = No applicable RSE row factor. Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled. Notes: To obtain the RSE percentage for any table cell, multiply the corresponding column and row factors. ⚫ Because of rounding, data may not sum to totals. ⚫ See "Glossary" for definition of terms used in this report. Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 1997 Residential Energy Consumption Survey. Energy Information Administration 1 Below 150 percent of poverty line or 60 percent of median State income. 2 One of five climatically distinct areas, determined according to the 30-year average (1961-1990) of the annual heating and cooling degree-days. For this report, the heating or cooling degree-days are a measure of how cold or how hot a location is over a period of one year, relative to a base temperature of 65 degrees Fahrenheit. A household is assigned to a climate zone according to the 30-year average annual degree-days for an appropriate nearby weather station. 3 Estimates provided by the household interview respondents, who were asked which category best described the total heated floorspace in the home. * New construction for 1997 includes only those housing units built and occupied between January and the April-August period when the household interviews were conducted. 5 Based on the household respondent's description rather than the Federal Government definition. NF = No applicable RSE row factor. Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled. Notes: ⚫ To obtain the RSE percentage for any table cell, multiply the corresponding column and row factors. Because of rounding, data may not sum to totals. ⚫ See "Glossary" for definition of terms used in this report. Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 1997 Residential Energy Consumption Survey. Energy Information Administration |