Table 3.23a. Usage Indicators by Census Region and Climate Zone, 

 Million U.S. Households, 1993

Usage Indicators

RSE Column Factor:

Total

Census Region Climate Zone

RSE

Row

Factors

Northeast Midwest South West

Fewer than

2,000 CDD and --

More

than

2,000

CDD

and

Fewer

than

4,000

HDD

More

than

7,000

HDD

5,500

to

7,000

HDD

4,000

to

5,499

HDD

Fewer

than

4,000

HDD

0.4 0.8 0.8 0.7 0.7 2.5 1.4 1.3 1.5 1.2

Total ..................................................... 96.6 19.5 23.3 33.5 20.4 8.7 26.5 22.5 17.8 21.2 6.4

Weekday Home Activities

 Home Used for Business

 Yes ................................................... 6.1 1.0 1.5 2.0 1.6 0.7 1.8 1.1 1.3 1.3 11.4

 No ..................................................... 90.5 18.5 21.8 31.5 18.7 8.0 24.7 21.4 16.5 19.9 6.5

 Energy-Intensive Activity

 Yes ................................................... 2.5 0.3 0.7 1.0 0.6 0.2 0.7 0.4 0.4 0.8 17.8

 No ..................................................... 94.1 19.2 22.6 32.5 19.8 8.5 25.8 22.0 17.4 20.4 6.5

 Someone Home All Day

 Yes ................................................... 46.0 8.9 11.1 16.1 9.9 4.3 12.7 9.8 9.1 10.1 6.3

 No ..................................................... 50.7 10.6 12.2 17.4 10.4 4.4 13.8 12.6 8.7 11.1 6.1

Heating

 Thermostat Available

 During Heating Season

 Yes ................................................... 80.2 15.5 21.3 26.9 16.5 7.6 24.4 17.6 13.6 17.0 4.2

 No ..................................................... 15.5 3.9 2.0 6.4 3.2 1.1 2.1 4.9 3.9 3.6 10.3

 Set-Back or Clock

 Thermostat in Home

 Yes ................................................... 10.8 2.9 2.0 2.9 3.2 0.5 2.9 2.8 2.0 2.7 12.4

 No ..................................................... 85.8 16.6 21.3 30.6 17.2 8.2 23.6 19.7 15.8 18.5 4.5

 Winter Temperature Settings

 Lower When No One Home

 Yes .................................................. 43.2 7.9 9.3 14.9 11.1 3.8 11.6 8.4 9.3 10.1 6.3

 No .................................................... 53.4 11.6 14.0 18.6 9.3 4.9 14.9 14.1 8.5 11.1 5.5

 Lower During Sleeping Hours

 Yes .................................................. 46.4 9.1 9.1 15.8 12.5 3.7 11.3 10.1 10.5 10.8 6.0

 No .................................................... 50.2 10.4 14.2 17.7 7.9 5.0 15.2 12.4 7.3 10.4 6.0

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ............................ 89.1 18.4 22.8 30.6 17.3 8.5 25.8 21.1 15.1 18.6 4.9

 63 Degrees or Less ........................ 3.3 1.1 0.6 0.8 0.9 0.4 0.9 1.0 0.6 0.4 15.3

 64 to 66 Degrees ........................... 8.9 2.5 1.6 2.4 2.5 0.9 2.6 2.2 1.8 1.3 10.8

 67 to 69 Degrees ............................ 22.3 5.5 6.6 5.9 4.4 3.0 7.1 5.4 3.4 3.4 8.0

 70 Degrees ..................................... 28.7 6.1 7.4 9.7 5.5 2.5 8.7 6.9 4.7 5.8 6.7

 71 to 73 Degrees ............................ 13.9 1.9 4.2 5.7 2.1 1.0 4.1 3.3 2.0 3.6 9.5

 74 Degrees or More ........................ 12.0 1.4 2.5 6.2 2.0 0.7 2.4 2.3 2.5 4.1 10.3

 Heat Turned Off ................................ 3.2 Q Q 1.3 1.8 Q 0.1 0.2 1.7 1.2 24.0

 Unknown/No Answer ........................ 4.3 1.1 0.5 1.6 1.2 0.2 0.6 1.2 1.0 1.3 13.7

See footnotes at end of table.

132 Energy Information Administration/Housing Characteristrics 1993
Table 3.23b. Usage Indicators by Census Region and Climate Zone, 

 Percent of U.S. Households, 1993

Usage Indicators

RSE Column Factor:

Total

Census Region Climate Zone

RSE

Row

Factors

Northeast Midwest South West

Fewer than

2,000 CDD and --

More

than

2,000

CDD

and

Fewer

than

4,000

HDD

More

than

7,000

HDD

5,500

to

7,000

HDD

4,000

to

5,499

HDD

Fewer

than

4,000

HDD

0.5 1.0 1.0 0.9 1.0 1.5 1.0 1.1 1.1 1.2

Total ..................................................... 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 0.0

Weekday Home Activities

 Home Used for Business

 Yes ................................................... 6.3 4.9 6.5 6.0 8.1 7.7 6.7 4.8 7.2 6.1 10.6

 No ..................................................... 93.7 95.1 93.5 94.0 91.9 92.3 93.3 95.2 92.8 93.9 NE

 Energy-Intensive Activity

 Yes ................................................... 2.6 1.4 3.1 2.9 2.8 2.0 2.7 1.9 2.3 3.8 17.3

 No ..................................................... 97.4 98.6 96.9 97.1 97.2 98.0 97.3 98.1 97.7 96.2 NE

 Someone Home All Day

 Yes ................................................... 47.6 45.6 47.4 48.1 48.7 49.5 47.8 43.8 51.1 47.5 4.2

 No ..................................................... 52.4 54.4 52.6 51.9 51.3 50.5 52.2 56.2 48.9 52.5 3.8

Heating

 Thermostat Available

 During Heating Season

 Yes ................................................... 83.0 79.8 91.3 80.4 80.9 87.2 92.1 78.4 76.4 80.3 1.8

 No ..................................................... 16.1 20.2 8.7 19.0 15.8 12.8 7.9 21.6 21.8 17.0 9.5

 Set-Back or Clock

 Thermostat in Home

 Yes ................................................... 11.2 14.7 8.5 8.6 15.5 5.6 11.0 12.4 11.4 12.5 11.8

 No ..................................................... 88.8 85.3 91.5 91.4 84.5 94.4 89.0 87.6 88.6 87.5 1.7

 Winter Temperature Settings

 Lower When No One Home

 Yes .................................................. 44.7 40.6 40.1 44.5 54.4 44.1 43.8 37.3 52.5 47.6 4.1

 No .................................................... 55.3 59.4 59.9 55.5 45.6 55.9 56.2 62.7 47.5 52.4 3.3

 Lower During Sleeping Hours

 Yes .................................................. 48.1 46.7 38.9 47.2 61.2 42.7 42.8 44.8 59.2 51.0 4.2

 No .................................................... 51.9 53.3 61.1 52.8 38.8 57.3 57.2 55.2 40.8 49.0 3.9

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ............................ 92.2 94.3 97.8 91.5 85.1 98.1 97.3 93.8 84.9 88.0 1.8

 63 Degrees or Less ........................ 3.4 5.6 2.4 2.2 4.5 4.5 3.5 4.3 3.6 1.8 14.4

 64 to 66 Degrees ........................... 9.2 12.6 6.7 7.1 12.1 10.8 9.8 9.9 10.1 6.1 9.3

 67 to 69 Degrees ............................ 23.1 28.0 28.3 17.6 21.5 34.1 26.9 24.0 19.3 16.1 5.7

 70 Degrees ..................................... 29.7 31.2 31.7 29.1 27.1 29.1 32.8 30.8 26.7 27.6 4.6

 71 to 73 Degrees ............................ 14.4 10.0 18.0 16.9 10.2 11.3 15.3 14.5 11.3 16.9 7.0

 74 Degrees or More ........................ 12.4 6.9 10.6 18.5 9.7 8.3 8.9 10.3 13.9 19.4 8.9

 Heat Turned Off ................................ 3.3 Q Q 3.8 9.0 Q 0.5 0.8 9.3 5.9 25.7

 Unknown/No Answer ........................ 4.4 5.4 2.0 4.7 5.9 1.9 2.2 5.4 5.8 6.2 14.0

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 133
Table 3.23a. Usage Indicators by Census Region and Climate Zone, 

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Census Region Climate Zone

RSE

Row

Factors

Northeast Midwest South West

Fewer than

2,000 CDD and --

More

than

2,000

CDD

and

Fewer

than

4,000

HDD

More

than

7,000

HDD

5,500

to

7,000

HDD

4,000

to

5,499

HDD

Fewer

than

4,000

HDD

0.4 0.8 0.8 0.7 0.7 2.5 1.4 1.3 1.5 1.2

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ............................ 75.0 17.8 22.5 23.8 10.9 8.4 25.0 19.6 9.3 12.8 6.3

 63 Degrees or Less ........................ 17.0 4.5 4.1 4.6 3.8 2.4 5.3 3.9 2.7 2.7 9.5

 64 to 66 Degrees ........................... 14.7 3.7 4.3 4.5 2.2 1.7 5.3 3.7 1.7 2.3 8.8

 67 to 69 Degrees ............................ 15.6 3.8 5.1 4.9 1.8 1.9 5.3 4.1 1.7 2.7 10.7

 70 Degrees ..................................... 15.7 3.9 5.0 4.8 1.9 1.5 5.4 4.8 1.7 2.3 8.9

 71 to 73 Degrees ............................ 6.9 1.1 2.7 2.5 0.6 0.6 2.5 1.8 0.7 1.4 12.4

 74 Degrees or More ........................ 5.1 0.8 1.4 2.4 0.5 0.4 1.2 1.3 0.7 1.6 14.5

 Heat Turned Off ................................ 17.8 0.6 0.4 8.4 8.5 Q 1.0 1.7 7.8 7.3 11.8

 Unknown/No Answer ........................ 3.8 1.1 0.4 1.3 1.0 0.2 0.5 1.2 0.8 1.1 14.2

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ............................ 81.9 18.0 22.7 27.5 13.7 8.5 25.4 20.2 12.1 15.6 5.7

 63 Degrees or Less ........................ 15.5 4.6 2.9 4.1 3.9 1.9 4.3 4.2 2.8 2.3 9.7

 64 to 66 Degrees ........................... 16.6 4.3 4.5 4.8 3.0 1.8 5.4 4.5 2.3 2.6 8.3

 67 to 69 Degrees ............................ 17.6 4.0 5.6 5.4 2.6 2.3 5.9 4.2 2.1 3.1 8.2

 70 Degrees ..................................... 17.6 3.1 5.6 6.5 2.5 1.6 5.8 4.1 2.6 3.6 9.3

 71 to 73 Degrees ............................ 7.9 1.1 2.7 3.4 0.7 0.5 2.6 1.7 1.1 2.0 12.8

 74 Degrees or More ........................ 6.6 0.9 1.5 3.3 1.0 0.4 1.5 1.4 1.2 2.1 12.7

 Heat Turned Off ................................ 10.7 0.3 Q 4.6 5.6 Q 0.5 1.0 4.8 4.4 13.3

 Unknown/No Answer ........................ 4.1 1.2 0.4 1.4 1.1 0.2 0.6 1.3 0.9 1.2 13.7

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ....................................... 19.3 0.9 3.0 14.1 1.2 0.2 2.4 4.2 3.3 9.2 11.6

 Quite a Bit ......................................... 8.9 1.2 2.7 3.8 1.2 0.4 2.5 2.4 1.2 2.5 13.9

 Only a Few Times ............................. 12.8 1.7 4.9 3.6 2.7 1.6 3.9 2.5 2.3 2.5 11.3

 Not at All ........................................... 1.0 Q 0.2 0.3 0.4 0.2 Q 0.1 0.3 0.3 28.6

 No Central System ........................... 54.6 15.5 12.5 11.7 14.8 6.3 17.6 13.3 10.7 6.7 6.4

 Window Air-Conditioning Use

 All Summer ....................................... 4.8 0.7 0.7 3.3 Q Q 0.8 1.2 1.2 1.5 15.9

 Quite a Bit ......................................... 6.1 2.1 1.5 2.3 0.3 0.2 1.6 2.4 0.8 1.2 16.0

 Only a Few Times ............................. 13.4 4.6 3.9 3.1 1.8 1.6 4.5 3.8 1.9 1.7 11.6

 Not at All ........................................... 1.5 0.3 0.5 0.3 0.4 0.2 0.5 0.3 0.3 0.3 23.1

 No Window Units .............................. 70.9 11.9 16.7 24.5 17.8 6.6 19.1 14.8 13.7 16.6 4.6

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ........................................ 28.4 6.0 7.6 8.7 6.1 3.0 8.6 6.4 5.3 5.1 6.5

 10 to 20 ............................................. 41.5 8.5 9.9 14.7 8.5 3.7 11.4 9.9 7.2 9.4 5.4

 21 or More ........................................ 26.4 5.0 5.8 9.9 5.7 1.9 6.5 6.1 5.3 6.6 7.4

 Not Applicable .................................. 0.3 Q Q 0.2 Q Q Q Q Q Q 57.1

See footnotes at end of table.

134 Energy Information Administration/Housing Characteristrics 1993
Table 3.23b. Usage Indicators by Census Region and Climate Zone, 

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Census Region Climate Zone

RSE

Row

Factors

Northeast Midwest South West

Fewer than

2,000 CDD and --

More

than

2,000

CDD

and

Fewer

than

4,000

HDD

More

than

7,000

HDD

5,500

to

7,000

HDD

4,000

to

5,499

HDD

Fewer

than

4,000

HDD

0.5 1.0 1.0 0.9 1.0 1.5 1.0 1.1 1.1 1.2

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ............................ 77.6 91.5 96.7 71.1 53.3 97.2 94.2 87.1 52.2 60.3 2.6

 63 Degrees or Less ........................ 17.6 23.1 17.4 13.8 18.7 27.2 20.0 17.6 15.2 12.6 7.4

 64 to 66 Degrees ........................... 15.2 19.0 18.3 13.6 10.7 19.8 20.1 16.3 9.6 10.8 6.8

 67 to 69 Degrees ............................ 16.2 19.5 21.9 14.5 9.1 21.7 19.8 18.3 9.6 12.5 8.6

 70 Degrees ..................................... 16.3 20.2 21.6 14.3 9.6 17.4 20.4 21.5 9.7 10.7 7.1

 71 to 73 Degrees ............................ 7.2 5.7 11.7 7.5 2.8 6.7 9.4 7.8 4.1 6.5 10.5

 74 Degrees or More ........................ 5.3 4.0 5.9 7.3 2.5 4.3 4.6 5.7 3.9 7.3 13.3

 Heat Turned Off ................................ 18.4 3.0 1.6 25.0 41.7 Q 3.7 7.5 43.6 34.4 10.5

 Unknown/No Answer ........................ 3.9 5.5 1.7 3.9 5.0 1.9 2.0 5.4 4.2 5.3 14.4

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ............................ 84.7 92.5 97.5 82.0 67.1 97.6 95.9 90.1 68.0 73.7 2.2

 63 Degrees or Less ........................ 16.0 23.7 12.5 12.1 18.9 22.0 16.3 18.8 15.5 10.6 8.0

 64 to 66 Degrees ........................... 17.2 22.1 19.3 14.3 14.9 20.7 20.4 20.2 12.8 12.4 6.5

 67 to 69 Degrees ............................ 18.2 20.8 24.0 16.1 12.7 26.8 22.1 18.7 11.9 14.7 5.8

 70 Degrees ..................................... 18.2 15.7 23.9 19.5 12.1 18.0 21.8 18.3 14.5 16.9 7.3

 71 to 73 Degrees ............................ 8.2 5.6 11.5 10.1 3.6 5.9 9.7 7.6 6.4 9.2 10.7

 74 Degrees or More ........................ 6.9 4.6 6.3 9.7 4.9 4.1 5.6 6.4 6.8 10.0 11.6

 Heat Turned Off ................................ 11.0 1.5 Q 13.8 27.5 Q 1.8 4.3 26.9 20.7 12.4

 Unknown/No Answer ........................ 4.3 6.0 1.9 4.2 5.4 1.9 2.2 5.6 5.1 5.6 13.9

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ....................................... 20.0 4.7 12.9 42.1 6.1 2.4 8.9 18.6 18.6 43.6 9.8

 Quite a Bit ......................................... 9.2 6.2 11.6 11.3 6.1 4.6 9.4 10.5 6.8 11.7 12.7

 Only a Few Times ............................. 13.3 8.7 20.9 10.7 13.3 18.8 14.8 11.0 12.7 12.0 9.9

 Not at All ........................................... 1.0 Q 0.9 1.0 1.7 2.0 Q 0.7 1.7 1.2 28.7

 No Central System ........................... 56.5 79.8 53.7 34.9 72.8 72.2 66.4 59.2 60.2 31.5 4.6

 Window Air-Conditioning Use

 All Summer ....................................... 5.0 3.6 3.1 9.8 Q Q 3.2 5.2 6.7 7.2 14.0

 Quite a Bit ......................................... 6.3 10.6 6.2 6.7 1.4 2.4 5.9 10.5 4.3 5.5 14.2

 Only a Few Times ............................. 13.9 23.4 16.8 9.3 8.9 18.3 16.8 17.1 10.5 7.9 9.8

 Not at All ........................................... 1.6 1.4 2.2 1.0 1.9 2.5 1.8 1.2 1.6 1.2 22.6

 No Window Units .............................. 73.3 61.0 71.6 73.2 87.3 76.2 72.3 66.1 76.9 78.1 2.7

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ........................................ 29.4 30.6 32.7 26.0 30.0 34.8 32.4 28.5 29.9 24.1 4.2

 10 to 20 ............................................. 43.0 43.6 42.3 43.8 41.9 42.4 42.9 44.2 40.2 44.4 3.4

 21 or More ........................................ 27.3 25.8 25.0 29.6 27.8 22.1 24.7 27.0 29.8 31.1 5.5

 Not Applicable .................................. 0.3 Q Q 0.6 Q Q Q Q Q Q 44.3

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 135
Table 3.23a. Usage Indicators by Census Region and Climate Zone, 

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Census Region Climate Zone

RSE

Row

Factors

Northeast Midwest South West

Fewer than

2,000 CDD and --

More

than

2,000

CDD

and

Fewer

than

4,000

HDD

More

than

7,000

HDD

5,500

to

7,000

HDD

4,000

to

5,499

HDD

Fewer

than

4,000

HDD

0.4 0.8 0.8 0.7 0.7 2.5 1.4 1.3 1.5 1.2

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads ...................................... 36.5 7.6 7.8 13.2 7.9 3.2 9.5 8.9 7.0 8.0 5.4

 6 to 10 Loads .................................... 25.0 4.7 6.5 9.0 4.8 2.4 7.2 5.4 4.2 5.8 6.7

 11 to 15 Loads .................................. 8.6 1.4 2.7 3.1 1.3 1.2 2.4 1.8 1.3 1.9 11.6

 16 or More Loads ............................. 4.3 0.8 1.4 1.6 0.7 0.5 1.4 0.9 0.8 0.8 16.5

 No Washing Machine ....................... 22.2 5.1 4.9 6.5 5.7 1.4 6.0 5.4 4.6 4.8 8.0

 Dishwasher Use

 Less Than Once a Week .................. 2.3 0.3 0.6 0.9 0.5 0.3 0.6 0.4 0.5 0.6 18.7

 A Few Times a Week ....................... 21.3 4.0 3.9 7.7 5.7 1.3 5.3 5.1 3.9 5.7 8.1

 Several Times a Week ..................... 11.8 2.4 2.8 4.3 2.4 1.2 3.3 3.0 1.8 2.6 9.0

 Every Day ......................................... 7.3 1.2 1.8 2.6 1.6 0.7 1.9 1.8 1.4 1.5 11.8

 More Than Every Day ....................... 1.0 0.2 0.3 0.3 0.3 Q 0.3 0.3 0.3 0.1 34.2

 No Dishwasher ................................. 52.9 11.4 13.9 17.8 9.8 5.1 15.1 12.0 10.0 10.7 5.5

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day ................................ 34.7 6.5 8.5 11.5 8.2 3.3 8.8 8.1 7.1 7.3 6.3

 1 a Day ............................................. 42.8 9.7 10.2 14.6 8.2 4.2 12.2 9.9 7.1 9.5 5.5

 A Few per Week ............................... 15.4 2.6 3.6 5.8 3.3 1.0 4.4 3.7 2.9 3.5 8.9

 About 1 a Week ................................ 2.0 0.3 0.5 0.9 0.4 Q 0.6 0.4 0.4 0.5 19.8

 Less Than 1 a Week ......................... 1.8 0.3 0.5 0.7 0.3 Q 0.6 0.5 0.3 0.4 22.3

 Amount of Food Cooked

 in Microwave Oven

 Most or All ......................................... 4.7 0.9 1.1 1.4 1.3 0.4 1.2 1.3 0.8 1.0 14.2

 About Half ......................................... 13.1 1.8 4.1 4.1 3.2 1.5 4.0 2.8 2.3 2.5 9.6

 Some or Very Little ........................... 22.2 3.8 6.0 7.2 5.3 2.6 6.4 5.0 4.1 4.2 7.8

 Only for Defrosting,

 Reheating, or Snacks ..................... 41.2 8.6 9.7 15.2 7.7 3.1 11.3 9.4 7.5 9.9 6.5

 No Microwave Oven ......................... 15.3 4.3 2.5 5.7 2.8 1.1 3.6 4.0 3.1 3.6 8.9

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 87.0 17.4 21.8 29.9 18.0 8.0 24.2 20.6 15.6 18.7 3.9

 No ................................................. 9.6 2.1 1.5 3.6 2.4 0.7 2.3 1.9 2.2 2.5 10.9

 4 to 12 Hours a Day

 Yes ................................................ 83.2 17.4 21.1 27.6 17.1 7.8 24.0 19.9 14.4 17.1 3.6

 No ................................................. 13.4 2.0 2.2 5.9 3.3 0.9 2.5 2.6 3.4 4.1 10.2

 More than 12 Hours a Day

 Yes ................................................ 30.3 5.5 7.2 12.6 5.0 2.2 8.0 7.6 5.2 7.2 7.6

 No ................................................. 66.4 14.0 16.1 20.9 15.3 6.5 18.5 14.9 12.6 14.0 4.7

 Outdoor Lights

 Used ............................................... 63.5 10.8 15.5 22.9 14.3 6.5 16.6 13.1 12.1 15.2 5.9

 Not Used ........................................ 33.1 8.7 7.8 10.6 6.0 2.2 9.9 9.3 5.7 6.0 8.5

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 1993 Residential Energy Consumption Survey. 

(For specific titles of forms, see Appendix D.)

136 Energy Information Administration/Housing Characteristrics 1993
Table 3.23b. Usage Indicators by Census Region and Climate Zone, 

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Census Region Climate Zone

RSE

Row

Factors

Northeast Midwest South West

Fewer than

2,000 CDD and --

More

than

2,000

CDD

and

Fewer

than

4,000

HDD

More

than

7,000

HDD

5,500

to

7,000

HDD

4,000

to

5,499

HDD

Fewer

than

4,000

HDD

0.5 1.0 1.0 0.9 1.0 1.5 1.0 1.1 1.1 1.2

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads ...................................... 37.8 38.8 33.6 39.5 38.8 36.8 35.7 39.6 39.2 37.7 3.2

 6 to 10 Loads .................................... 25.8 24.1 27.8 27.0 23.4 27.7 27.2 23.9 23.6 27.3 4.4

 11 to 15 Loads .................................. 8.9 7.2 11.8 9.4 6.5 13.9 9.2 8.1 7.1 8.9 9.4

 16 or More Loads ............................. 4.5 3.9 5.8 4.6 3.3 5.7 5.3 4.1 4.3 3.6 14.2

 No Washing Machine ....................... 22.9 26.0 21.0 19.5 27.9 15.9 22.6 24.3 25.8 22.5 7.1

 Dishwasher Use

 Less Than Once a Week .................. 2.4 1.6 2.8 2.6 2.5 3.1 2.2 1.8 2.8 2.8 18.3

 A Few Times a Week ....................... 22.0 20.6 16.8 22.8 27.9 15.1 20.1 22.7 21.7 26.8 7.4

 Several Times a Week ..................... 12.2 12.1 11.9 12.8 11.7 13.6 12.4 13.2 10.0 12.2 7.6

 Every Day ......................................... 7.5 6.3 7.7 7.8 8.1 8.0 7.2 7.8 7.8 7.3 10.4

 More Than Every Day ....................... 1.1 0.9 1.2 0.9 1.5 Q 1.2 1.2 1.5 0.5 31.3

 No Dishwasher ................................. 54.8 58.5 59.6 53.1 48.4 59.0 57.0 53.4 56.2 50.5 3.2

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day ................................ 35.9 33.3 36.5 34.3 40.2 38.4 33.1 36.0 40.0 34.6 4.1

 1 a Day ............................................. 44.3 50.0 43.9 43.7 40.2 48.1 46.0 44.0 39.8 44.7 3.3

 A Few per Week ............................... 15.9 13.6 15.4 17.4 16.3 11.2 16.5 16.3 16.2 16.4 7.4

 About 1 a Week ................................ 2.1 1.5 2.0 2.7 1.8 Q 2.2 1.6 2.5 2.4 18.0

 Less Than 1 a Week ......................... 1.9 1.6 2.3 2.0 1.5 Q 2.2 2.1 1.6 1.9 20.5

 Amount of Food Cooked

 in Microwave Oven

 Most or All ......................................... 4.9 4.7 4.6 4.2 6.5 4.8 4.4 5.8 4.7 4.6 12.6

 About Half ......................................... 13.6 9.3 17.5 12.1 15.7 17.8 15.1 12.4 12.8 12.0 7.6

 Some or Very Little ........................... 23.0 19.5 25.6 21.3 26.0 29.7 24.1 22.2 23.0 19.8 6.1

 Only for Defrosting,

 Reheating, or Snacks ..................... 42.7 44.2 41.7 45.4 37.8 35.2 42.7 42.0 42.2 46.7 4.3

 No Microwave Oven ......................... 15.9 22.3 10.6 16.9 14.0 12.6 13.7 17.7 17.2 17.0 7.6

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 90.0 89.3 93.5 89.1 88.2 91.6 91.4 91.5 87.5 88.1 1.2

 No ................................................. 10.0 10.7 6.5 10.9 11.8 8.4 8.6 8.5 12.5 11.9 9.9

 4 to 12 Hours a Day

 Yes ................................................ 86.1 89.5 90.6 82.5 83.8 90.1 90.7 88.5 81.1 80.5 1.4

 No ................................................. 13.9 10.5 9.4 17.5 16.2 9.9 9.3 11.5 18.9 19.5 8.6

 More than 12 Hours a Day

 Yes ................................................ 31.3 28.2 30.8 37.5 24.7 25.2 30.2 33.8 29.4 34.2 5.5

 No ................................................. 68.7 71.8 69.2 62.5 75.3 74.8 69.8 66.2 70.6 65.8 2.4

 Outdoor Lights

 Used ............................................... 65.8 55.3 66.5 68.4 70.5 74.6 62.6 58.6 68.2 71.6 3.4

 Not Used ........................................ 34.2 44.7 33.5 31.6 29.5 25.4 37.4 41.4 31.8 28.4 6.7

NE = RSE row factor not estimated because RSE’s for all statistics in this row are between 0.0 and 1.0 percent.

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 1993 Residential Energy Consumption Survey. 

(For specific titles of forms, see Appendix D.)

Energy Information Administration/Housing Characteristrics 1993 137
Table 3.24a. Usage Indicators by Year of Construction,

 Million U.S. Households, 1993

Usage Indicators

RSE Column Factor:

Total

Year of Construction

RSE

Row

Factors

1991

 to

19931

1988

 to

1990

1985

to

1987

1980

to

1984

1970

to

1979

1960

to

1969

1950

to

1959

1940

to

1949

1939

or

Before

0.3 1.7 1.4 1.4 1.1 0.8 0.9 0.9 1.3 0.9

Total .................................................... 96.6 4.5 4.7 5.5 8.5 18.1 15.0 13.1 6.9 20.4 5.2

Weekday Home Activities

 Home Used for Business

 Yes .................................................. 6.1 0.3 0.4 0.4 0.8 1.1 0.8 0.9 0.3 1.2 15.4

 No .................................................... 90.5 4.2 4.3 5.1 7.7 17.1 14.2 12.2 6.6 19.1 5.3

 Energy-Intensive Activity

 Yes .................................................. 2.5 0.1 0.1 0.2 0.3 0.6 0.3 0.4 0.2 0.4 22.7

 No .................................................... 94.1 4.3 4.6 5.3 8.2 17.6 14.8 12.6 6.7 20.0 5.2

 Someone Home All Day

 Yes .................................................. 46.0 1.9 2.1 2.3 3.9 7.9 7.4 6.7 3.4 10.4 6.8

 No .................................................... 50.7 2.6 2.6 3.2 4.6 10.3 7.6 6.4 3.5 10.0 6.9

Heating

 Thermostat Available

 During Heating Season

 Yes .................................................. 80.2 4.4 4.3 5.1 7.5 15.6 12.6 10.9 5.0 14.8 5.8

 No .................................................... 15.5 0.1 0.4 0.4 0.9 2.3 2.3 2.0 1.8 5.4 13.1

 Set-Back or Clock

 Thermostat in Home

 Yes .................................................. 10.8 1.0 0.9 0.7 0.9 1.9 1.5 1.7 0.4 1.7 13.7

 No .................................................... 85.8 3.4 3.8 4.8 7.6 16.2 13.5 11.4 6.5 18.6 5.4

 Winter Temperature Settings

 Lower When No One Home

 Yes ................................................. 43.2 2.3 2.2 2.9 4.1 8.2 6.7 6.3 3.1 7.4 6.7

 No ................................................... 53.4 2.2 2.5 2.6 4.4 9.9 8.4 6.7 3.8 13.0 6.4

 Lower During Sleeping Hours

 Yes ................................................. 46.4 2.2 2.2 2.9 4.2 8.5 7.1 7.2 3.6 8.6 6.6

 No ................................................... 50.2 2.3 2.5 2.6 4.3 9.7 7.9 5.8 3.3 11.7 6.7

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ........................... 89.1 4.4 4.5 5.1 8.0 16.6 13.7 12.0 6.4 18.4 5.5

 63 Degrees or Less ....................... 3.3 0.1 0.1 0.2 0.2 0.7 0.5 0.5 0.3 0.8 21.7

 64 to 66 Degrees .......................... 8.9 0.5 0.5 0.4 0.9 1.6 1.4 0.9 0.6 2.2 13.4

 67 to 69 Degrees ........................... 22.3 1.4 1.3 1.5 1.8 3.7 3.5 3.1 1.4 4.8 9.7

 70 Degrees .................................... 28.7 1.3 1.5 1.5 2.1 5.8 4.7 4.3 1.8 5.7 7.3

 71 to 73 Degrees ........................... 13.9 0.7 0.6 0.9 1.7 2.7 2.2 1.5 1.0 2.5 11.1

 74 Degrees or More ...................... 12.0 0.4 0.5 0.7 1.3 2.1 1.5 1.6 1.3 2.5 11.2

 Heat Turned Off .............................. 3.2 Q 0.1 0.2 Q 0.9 0.5 0.6 Q 0.5 26.6

 Unknown/No Answer ....................... 4.3 Q 0.1 Q 0.2 0.7 0.9 0.5 0.4 1.4 20.3

See footnotes at end of table.

138 Energy Information Administration/Housing Characteristrics 1993
Table 3.24b. Usage Indicators by Year of Construction,

 Percent of U.S. Households, 1993

Usage Indicators

RSE Column Factor:

Total

Year of Construction

RSE

Row

Factors

1991

 to

19931

1988

 to

1990

1985

to

1987

1980

to

1984

1970

to

1979

1960

to

1969

1950

to

1959

1940

to

1949

1939

or

Before

0.4 1.5 1.3 1.4 1.2 0.9 0.9 1.0 1.2 0.8

Total .................................................... 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 0.0

Weekday Home Activities

 Home Used for Business

 Yes .................................................. 6.3 6.8 8.4 6.6 8.9 6.0 5.2 6.8 4.2 6.0 14.6

 No .................................................... 93.7 93.2 91.6 93.4 91.1 94.0 94.8 93.2 95.8 94.0 NE

 Energy-Intensive Activity

 Yes .................................................. 2.6 3.2 2.5 3.5 3.7 3.1 1.7 3.3 2.3 1.7 21.7

 No .................................................... 97.4 96.8 97.5 96.5 96.3 96.9 98.3 96.7 97.7 98.3 NE

 Someone Home All Day

 Yes .................................................. 47.6 42.0 45.0 41.7 45.6 43.4 49.5 51.4 49.2 51.1 5.0

 No .................................................... 52.4 58.0 55.0 58.3 54.4 56.6 50.5 48.6 50.8 48.9 4.4

Heating

 Thermostat Available

 During Heating Season

 Yes .................................................. 83.0 98.2 91.6 93.0 88.9 86.2 83.6 83.4 72.1 72.6 2.0

 No .................................................... 16.1 1.8 7.8 7.0 10.6 12.6 15.0 15.3 26.7 26.7 12.8

 Set-Back or Clock

 Thermostat in Home

 Yes .................................................. 11.2 23.3 18.9 13.1 10.6 10.5 10.1 13.0 6.2 8.6 12.7

 No .................................................... 88.8 76.7 81.1 86.9 89.4 89.5 89.9 87.0 93.8 91.4 1.7

 Winter Temperature Settings

 Lower When No One Home

 Yes ................................................. 44.7 50.5 46.5 53.4 48.0 45.5 44.4 48.6 45.2 36.3 4.6

 No ................................................... 55.3 49.5 53.5 46.6 52.0 54.5 55.6 51.4 54.8 63.7 3.9

 Lower During Sleeping Hours

 Yes ................................................. 48.1 48.7 46.0 52.2 49.1 46.7 47.5 55.4 52.0 42.5 4.4

 No ................................................... 51.9 51.3 54.0 47.8 50.9 53.3 52.5 44.6 48.0 57.5 4.2

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ........................... 92.2 97.8 95.2 93.8 94.9 91.5 91.0 91.7 92.6 90.6 1.5

 63 Degrees or Less ....................... 3.4 2.0 2.0 3.4 2.5 3.9 3.1 3.6 3.7 4.1 21.4

 64 to 66 Degrees .......................... 9.2 11.8 9.7 6.4 10.4 8.7 9.2 7.1 8.1 10.7 12.7

 67 to 69 Degrees ........................... 23.1 30.2 26.7 27.3 20.7 20.1 23.1 24.1 20.9 23.4 7.3

 70 Degrees .................................... 29.7 28.1 31.7 27.5 25.0 32.1 31.2 33.1 26.0 28.1 5.9

 71 to 73 Degrees ........................... 14.4 16.6 13.6 15.9 20.6 15.0 14.4 11.5 14.4 12.3 9.7

 74 Degrees or More ...................... 12.4 9.2 11.5 13.2 15.6 11.5 10.0 12.2 19.4 12.1 10.4

 Heat Turned Off .............................. 3.3 Q 2.8 4.3 Q 4.8 3.2 4.4 Q 2.5 26.2

 Unknown/No Answer ....................... 4.4 Q 2.0 Q 2.6 3.8 5.8 3.9 5.6 6.9 19.8

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 139
Table 3.24a. Usage Indicators by Year of Construction,

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Year of Construction

RSE

Row

Factors

1991

 to

19931

1988

 to

1990

1985

to

1987

1980

to

1984

1970

to

1979

1960

to

1969

1950

to

1959

1940

to

1949

1939

or

Before

0.3 1.7 1.4 1.4 1.1 0.8 0.9 0.9 1.3 0.9

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ........................... 75.0 3.8 3.9 4.2 6.6 13.8 11.4 9.5 5.2 16.6 5.9

 63 Degrees or Less ....................... 17.0 1.0 0.8 0.9 1.6 3.1 2.3 2.2 1.4 3.7 10.2

 64 to 66 Degrees .......................... 14.7 0.8 0.8 1.1 1.5 2.6 2.4 1.9 0.8 2.8 10.4

 67 to 69 Degrees ........................... 15.6 1.0 1.0 1.0 1.3 2.7 2.3 1.9 1.0 3.4 11.2

 70 Degrees .................................... 15.7 0.5 0.7 0.7 0.9 3.1 2.7 2.2 1.0 3.9 10.1

 71 to 73 Degrees ........................... 6.9 0.4 0.3 0.3 0.8 1.4 1.0 0.7 0.4 1.6 15.0

 74 Degrees or More ...................... 5.1 0.2 0.2 0.2 0.5 1.0 0.7 0.6 0.6 1.2 16.8

 Heat Turned Off .............................. 17.8 0.7 0.8 1.2 1.7 3.6 2.8 3.2 1.4 2.4 11.1

 Unknown/No Answer ....................... 3.8 Q 0.1 Q Q 0.7 0.8 0.4 0.3 1.3 19.1

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ........................... 81.9 4.1 4.3 4.7 7.3 15.2 12.5 10.6 5.7 17.4 5.6

 63 Degrees or Less ....................... 15.5 0.6 0.7 0.7 1.3 2.8 2.3 2.1 1.3 3.6 10.7

 64 to 66 Degrees .......................... 16.6 1.0 0.9 1.1 1.5 2.7 2.6 2.2 1.3 3.5 10.1

 67 to 69 Degrees ........................... 17.6 1.1 1.0 1.0 1.3 3.5 2.6 2.5 1.1 3.6 10.6

 70 Degrees .................................... 17.6 0.7 1.0 0.9 1.3 3.4 3.1 2.3 1.1 3.8 10.0

 71 to 73 Degrees ........................... 7.9 0.5 0.4 0.5 1.0 1.7 1.2 0.7 0.4 1.6 14.6

 74 Degrees or More ...................... 6.6 0.2 0.4 0.5 0.9 1.2 0.7 0.8 0.6 1.3 14.5

 Heat Turned Off .............................. 10.7 0.4 0.3 0.7 1.0 2.2 1.7 2.1 0.8 1.5 14.8

 Unknown/No Answer ....................... 4.1 Q 0.1 Q 0.2 0.7 0.9 0.4 0.4 1.4 20.3

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ...................................... 19.3 1.9 1.6 2.0 3.0 4.1 3.1 1.9 0.5 1.0 10.6

 Quite a Bit ....................................... 8.9 0.8 0.7 1.2 1.1 2.0 1.4 0.9 0.4 0.4 14.2

 Only a Few Times ........................... 12.8 0.9 1.1 1.0 1.6 2.7 2.2 1.8 0.6 1.0 12.9

 Not at All .......................................... 1.0 0.1 0.1 Q Q 0.3 Q Q Q Q 31.4

 No Central System .......................... 54.6 0.8 1.2 1.3 2.6 9.0 8.2 8.3 5.4 17.8 7.6

 Window Air-Conditioning Use

 All Summer ...................................... 4.8 Q Q 0.1 0.2 0.9 0.9 0.9 0.7 1.0 19.9

 Quite a Bit ....................................... 6.1 Q Q 0.2 0.2 0.8 1.0 1.2 0.7 1.9 18.5

 Only a Few Times ........................... 13.4 Q 0.3 0.4 0.6 2.0 2.3 2.1 1.1 4.6 13.6

 Not at All .......................................... 1.5 Q Q Q Q 0.3 0.3 0.3 Q 0.4 29.9

 No Window Units ............................. 70.9 4.2 4.3 4.8 7.4 14.1 10.5 8.6 4.4 12.5 5.6

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ....................................... 28.4 0.9 0.9 1.0 1.9 5.2 4.8 3.8 2.5 7.5 8.7

 10 to 20 ........................................... 41.5 2.2 2.2 2.5 3.9 7.7 6.6 5.3 2.9 8.4 6.6

 21 or More ....................................... 26.4 1.4 1.6 2.0 2.7 5.2 3.6 3.9 1.5 4.4 8.3

 Not Applicable ................................. 0.3 Q Q Q Q Q Q Q Q Q 95.8

See footnotes at end of table.

140 Energy Information Administration/Housing Characteristrics 1993
Table 3.24b. Usage Indicators by Year of Construction,

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Year of Construction

RSE

Row

Factors

1991

 to

19931

1988

 to

1990

1985

to

1987

1980

to

1984

1970

to

1979

1960

to

1969

1950

to

1959

1940

to

1949

1939

or

Before

0.4 1.5 1.3 1.4 1.2 0.9 0.9 1.0 1.2 0.8

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ........................... 77.6 85.0 81.8 76.9 78.3 76.3 76.0 72.9 74.8 81.4 2.6

 63 Degrees or Less ....................... 17.6 21.7 17.4 16.7 18.4 17.1 15.4 16.7 20.6 18.1 9.0

 64 to 66 Degrees .......................... 15.2 18.4 17.9 19.8 17.2 14.2 15.9 14.6 12.2 13.6 9.2

 67 to 69 Degrees ........................... 16.2 21.3 21.1 18.9 15.7 15.1 15.6 14.4 13.8 16.6 9.3

 70 Degrees .................................... 16.3 10.7 14.7 11.9 11.1 16.8 18.2 17.0 14.3 19.4 9.4

 71 to 73 Degrees ........................... 7.2 9.4 6.0 5.5 9.3 7.8 6.4 5.7 5.6 8.0 14.0

 74 Degrees or More ...................... 5.3 3.5 4.7 4.1 6.5 5.3 4.4 4.4 8.2 5.8 16.4

 Heat Turned Off .............................. 18.4 14.9 16.2 21.4 20.1 20.1 18.7 24.4 20.5 11.9 10.2

 Unknown/No Answer ....................... 3.9 Q 2.0 Q Q 3.6 5.3 2.7 4.8 6.6 18.6

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ........................... 84.7 92.0 91.0 86.3 86.1 84.0 83.0 80.9 82.8 85.7 2.0

 63 Degrees or Less ....................... 16.0 14.0 14.6 13.4 15.6 15.2 15.0 16.3 19.2 17.8 9.8

 64 to 66 Degrees .......................... 17.2 22.0 18.1 20.0 17.5 15.0 17.2 16.8 18.2 17.1 8.7

 67 to 69 Degrees ........................... 18.2 25.2 20.8 18.9 15.3 19.1 17.0 19.2 15.3 17.6 8.7

 70 Degrees .................................... 18.2 14.8 21.9 17.2 15.8 18.7 20.6 17.4 15.4 18.8 8.8

 71 to 73 Degrees ........................... 8.2 10.6 7.8 8.4 11.4 9.3 8.2 5.3 5.8 7.9 13.5

 74 Degrees or More ...................... 6.9 5.3 7.8 8.3 10.4 6.7 4.9 5.8 9.0 6.6 13.9

 Heat Turned Off .............................. 11.0 8.0 7.0 12.2 11.4 12.4 11.3 16.0 11.6 7.4 14.1

 Unknown/No Answer ....................... 4.3 Q 1.9 Q 2.5 3.7 5.7 3.1 5.6 6.9 19.7

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ...................................... 20.0 43.4 34.8 36.2 35.7 22.8 20.8 14.6 7.3 5.1 9.0

 Quite a Bit ....................................... 9.2 17.6 15.3 21.0 12.7 11.2 9.1 7.3 5.6 2.2 13.3

 Only a Few Times ........................... 13.3 19.5 22.5 18.1 18.8 14.7 14.8 13.5 8.8 5.1 11.4

 Not at All .......................................... 1.0 1.9 2.1 Q Q 1.6 Q Q Q Q 31.1

 No Central System .......................... 56.5 17.7 25.3 24.4 31.1 49.7 54.4 63.2 78.3 87.3 5.3

 Window Air-Conditioning Use

 All Summer ...................................... 5.0 Q Q 1.7 2.7 4.7 5.8 7.1 9.6 4.9 19.1

 Quite a Bit ....................................... 6.3 Q Q 3.2 2.5 4.5 6.5 9.1 9.5 9.5 17.2

 Only a Few Times ........................... 13.9 Q 5.4 6.4 7.0 11.3 15.5 15.7 15.9 22.5 12.3

 Not at All .......................................... 1.6 Q Q Q Q 1.5 2.1 2.2 Q 1.9 27.9

 No Window Units ............................. 73.3 93.9 91.0 88.2 87.4 77.9 70.2 65.9 63.5 61.2 2.5

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ....................................... 29.4 20.0 18.5 18.0 22.3 28.6 31.7 29.3 35.9 37.0 7.1

 10 to 20 ........................................... 43.0 48.7 47.4 45.3 45.9 42.2 43.9 40.6 41.4 41.0 4.6

 21 or More ....................................... 27.3 31.3 34.2 36.7 31.9 28.9 24.0 30.0 22.3 21.5 6.7

 Not Applicable ................................. 0.3 Q Q Q Q Q Q Q Q Q 80.7

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 141
Table 3.24a. Usage Indicators by Year of Construction,

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Year of Construction

RSE

Row

Factors

1991

 to

19931

1988

 to

1990

1985

to

1987

1980

to

1984

1970

to

1979

1960

to

1969

1950

to

1959

1940

to

1949

1939

or

Before

0.3 1.7 1.4 1.4 1.1 0.8 0.9 0.9 1.3 0.9

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads .................................... 36.5 1.6 1.4 2.0 3.3 6.1 5.8 5.6 2.9 7.8 7.0

 6 to 10 Loads .................................. 25.0 1.4 1.7 1.6 2.1 4.9 3.2 3.8 1.8 4.5 8.1

 11 to 15 Loads ................................ 8.6 0.5 0.7 0.6 0.8 1.5 1.3 1.1 0.5 1.5 13.5

 16 or More Loads ............................ 4.3 0.2 0.3 0.3 0.4 0.7 0.5 0.8 0.3 1.0 18.8

 No Washing Machine ...................... 22.2 0.7 0.6 1.0 1.9 5.0 4.2 1.8 1.4 5.6 11.2

 Dishwasher Use

 Less Than Once a Week ................. 2.3 0.2 0.1 0.2 0.3 0.5 0.5 0.3 Q 0.3 25.4

 A Few Times a Week ...................... 21.3 1.8 1.6 1.9 2.6 4.5 3.1 2.6 0.9 2.2 10.2

 Several Times a Week .................... 11.8 0.9 0.9 1.0 1.2 2.6 1.6 1.4 0.4 1.7 11.6

 Every Day ........................................ 7.3 0.5 0.7 0.7 0.8 1.3 1.0 1.1 0.4 0.9 13.9

 More Than Every Day ..................... 1.0 Q Q Q Q 0.3 0.2 0.2 Q Q 39.5

 No Dishwasher ................................ 52.9 1.1 1.4 1.7 3.5 8.9 8.7 7.4 5.1 15.2 6.7

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day .............................. 34.7 1.3 1.7 1.5 2.7 6.4 4.8 5.3 2.9 8.1 6.9

 1 a Day ............................................ 42.8 2.0 2.2 2.8 4.1 7.7 7.0 5.5 2.7 8.7 7.3

 A Few per Week .............................. 15.4 0.9 0.7 1.0 1.2 3.4 2.5 1.9 0.9 2.9 10.3

 About 1 a Week ............................... 2.0 0.2 0.1 0.1 0.2 0.3 0.2 0.3 0.2 0.3 26.5

 Less Than 1 a Week ....................... 1.8 Q Q Q 0.1 0.3 0.5 Q 0.1 0.3 28.5

 Amount of Food Cooked

 in Microwave Oven

 Most or All ....................................... 4.7 0.3 0.2 0.3 0.5 1.1 0.8 0.5 0.3 0.7 18.1

 About Half ....................................... 13.1 0.8 0.8 0.8 1.4 2.7 1.8 1.6 0.7 2.6 11.3

 Some or Very Little .......................... 22.2 1.0 1.3 1.3 1.9 4.3 3.8 3.1 1.4 4.0 8.4

 Only for Defrosting,

 Reheating, or Snacks .................... 41.2 2.0 2.1 2.5 3.7 7.6 6.2 5.7 3.0 8.4 7.1

 No Microwave Oven ........................ 15.3 0.4 0.4 0.6 1.0 2.3 2.3 2.2 1.4 4.7 11.2

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 87.0 4.2 4.3 5.0 7.6 16.3 13.4 11.9 6.2 18.1 5.4

 No ................................................. 9.6 0.3 0.4 0.5 0.9 1.8 1.6 1.1 0.7 2.3 13.3

 4 to 12 Hours a Day

 Yes ................................................ 83.2 3.9 4.2 4.7 7.3 16.0 12.8 11.3 5.8 17.2 5.5

 No ................................................. 13.4 0.5 0.5 0.8 1.2 2.2 2.2 1.8 1.1 3.1 11.4

 More than 12 Hours a Day

 Yes ................................................ 30.3 1.1 1.4 1.5 2.9 5.6 4.9 4.5 2.5 5.9 7.9

 No ................................................. 66.4 3.4 3.3 4.0 5.6 12.6 10.1 8.6 4.4 14.5 5.7

 Outdoor Lights

 Used .............................................. 63.5 3.3 3.5 3.7 5.7 11.2 9.8 9.6 4.5 12.2 6.0

 Not Used ...................................... 33.1 1.2 1.2 1.8 2.8 7.0 5.2 3.5 2.4 8.2 8.9

1 Does not include all new construction for 1993.

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 1993 Residential Energy Consumption Survey. 

(For specific titles of forms, see Appendix D.)

142 Energy Information Administration/Housing Characteristrics 1993
Table 3.24b. Usage Indicators by Year of Construction,

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Year of Construction

RSE

Row

Factors

1991

 to

19931

1988

 to

1990

1985

to

1987

1980

to

1984

1970

to

1979

1960

to

1969

1950

to

1959

1940

to

1949

1939

or

Before

0.4 1.5 1.3 1.4 1.2 0.9 0.9 1.0 1.2 0.8

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads .................................... 37.8 36.9 30.8 36.8 38.4 33.4 38.7 42.7 41.6 38.5 5.0

 6 to 10 Loads .................................. 25.8 31.6 35.5 29.4 24.9 27.0 21.4 28.9 26.1 21.9 6.4

 11 to 15 Loads ................................ 8.9 12.2 13.9 11.2 9.9 8.4 8.5 8.4 7.4 7.5 12.3

 16 or More Loads ............................ 4.5 3.4 7.4 4.8 4.4 3.7 3.2 6.1 4.2 4.7 18.2

 No Washing Machine ...................... 22.9 15.9 12.4 17.7 22.3 27.4 28.1 13.8 20.7 27.4 10.2

 Dishwasher Use

 Less Than Once a Week ................. 2.4 3.6 1.9 2.8 3.2 2.9 3.0 2.3 Q 1.3 24.4

 A Few Times a Week ...................... 22.0 39.2 35.0 34.2 30.7 24.8 20.7 20.2 13.4 10.8 8.2

 Several Times a Week .................... 12.2 20.2 19.1 17.9 14.7 14.4 10.9 10.8 5.9 8.4 10.4

 Every Day ........................................ 7.5 10.7 14.6 12.7 9.4 7.0 6.4 8.7 5.2 4.4 13.0

 More Than Every Day ..................... 1.1 Q Q Q Q 1.7 1.1 1.6 Q Q 36.4

 No Dishwasher ................................ 54.8 25.7 28.7 31.3 41.1 49.2 57.9 56.4 73.2 74.5 4.8

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day .............................. 35.9 29.1 35.4 27.9 32.4 35.1 32.2 40.2 41.8 39.6 5.8

 1 a Day ............................................ 44.3 44.9 46.5 51.0 48.9 42.4 46.4 42.5 39.3 43.0 4.5

 A Few per Week .............................. 15.9 20.5 14.2 17.3 14.3 19.0 16.5 14.2 13.6 14.3 9.0

 About 1 a Week ............................... 2.1 3.8 2.2 2.4 2.9 1.8 1.6 2.0 3.2 1.4 26.2

 Less Than 1 a Week ....................... 1.9 Q Q Q 1.6 1.7 3.2 Q 2.2 1.7 27.2

 Amount of Food Cooked

 in Microwave Oven

 Most or All ....................................... 4.9 6.1 4.4 5.2 6.1 6.2 5.4 3.7 4.2 3.4 17.5

 About Half ....................................... 13.6 17.2 16.2 13.8 16.3 15.0 12.3 12.2 10.7 12.5 9.7

 Some or Very Little .......................... 23.0 22.9 26.6 24.2 22.6 23.9 25.3 24.1 21.0 19.6 7.0

 Only for Defrosting,

 Reheating, or Snacks .................... 42.7 45.5 45.1 45.3 43.1 41.9 41.3 43.3 44.1 41.3 4.9

 No Microwave Oven ........................ 15.9 8.3 7.7 11.6 11.9 12.9 15.6 16.7 19.9 23.2 10.3

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 90.0 93.0 92.0 91.4 89.9 90.0 89.3 91.3 89.2 88.7 1.3

 No ................................................. 10.0 7.0 8.0 8.6 10.1 10.0 10.7 8.7 10.8 11.3 12.6

 4 to 12 Hours a Day

 Yes ................................................ 86.1 87.8 89.7 86.3 85.9 87.9 85.3 86.2 83.9 84.6 1.6

 No ................................................. 13.9 12.2 10.3 13.7 14.1 12.1 14.7 13.8 16.1 15.4 10.5

 More than 12 Hours a Day

 Yes ................................................ 31.3 25.0 30.7 26.4 34.3 30.7 32.5 34.5 36.2 28.9 6.2

 No ................................................. 68.7 75.0 69.3 73.6 65.7 69.3 67.5 65.5 63.8 71.1 2.8

 Outdoor Lights

 Used .............................................. 65.8 74.0 75.2 68.1 67.4 61.6 65.1 73.3 65.9 59.7 3.4

 Not Used ...................................... 34.2 26.0 24.8 31.9 32.6 38.4 34.9 26.7 34.1 40.3 7.1

1 Does not include all new construction for 1993.

NE = RSE row factor not estimated because RSE’s for all statistics in this row are between 0.0 and 1.0 percent.

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 1993 Residential Energy Consumption Survey. 

(For specific titles of forms, see Appendix D.)

Energy Information Administration/Housing Characteristrics 1993 143
Table 3.25a. Usage Indicators by Type and Ownership of Housing Unit,

 Million U.S. Households, 1993

Usage Indicators

RSE Column Factor:

Total

Type and Ownership of Housing Unit

RSE

Row

Factors

Single-Family 

Multifamily

Two to Four Units Five or More Units Mobile Home

Total Own Rent Total Own Rent Total Own Rent Total Own Rent

0.3 0.4 0.4 0.9 1.1 2.0 1.3 0.9 2.9 0.9 1.3 1.4 2.2

Total .................................................... 96.6 66.8 55.8 11.0 8.0 1.5 6.5 16.2 1.6 14.7 5.6 4.4 1.2 5.8

Weekday Home Activities

 Home Used for Business

 Yes .................................................. 6.1 4.8 4.3 0.5 0.4 Q 0.3 0.5 Q 0.4 0.4 0.3 Q 19.4

 No .................................................... 90.5 62.0 51.4 10.5 7.6 1.4 6.2 15.7 1.4 14.3 5.2 4.1 1.1 5.9

 Energy-Intensive Activity

 Yes .................................................. 2.5 1.9 1.5 0.3 Q Q Q 0.3 Q 0.3 0.2 0.2 Q 25.8

 No .................................................... 94.1 64.9 54.2 10.7 7.9 1.5 6.4 15.9 1.6 14.4 5.3 4.2 1.1 5.9

 Someone Home All Day

 Yes .................................................. 46.0 34.2 29.0 5.2 3.0 0.6 2.4 6.0 0.7 5.2 2.8 2.3 0.6 7.8

 No .................................................... 50.7 32.6 26.7 5.9 5.0 0.9 4.1 10.3 0.8 9.5 2.7 2.1 0.6 7.7

Heating

 Thermostat Available

 During Heating Season

 Yes .................................................. 80.2 58.4 49.7 8.7 5.8 1.3 4.5 11.3 1.2 10.0 4.7 3.8 0.9 6.9

 No .................................................... 15.5 7.9 5.8 2.1 2.1 Q 2.0 4.7 0.2 4.5 0.8 0.5 0.3 12.4

 Set-Back or Clock

 Thermostat in Home

 Yes .................................................. 10.8 9.0 8.3 0.7 0.6 0.3 0.4 1.0 Q 0.7 0.3 0.2 Q 21.5

 No .................................................... 85.8 57.8 47.5 10.3 7.4 1.2 6.1 15.3 1.3 14.0 5.3 4.2 1.1 6.2

 Winter Temperature Settings

 Lower When No One Home

 Yes ................................................. 43.2 31.2 26.6 4.6 3.2 0.7 2.6 5.9 0.7 5.3 2.9 2.4 0.5 8.0

 No ................................................... 53.4 35.6 29.2 6.4 4.8 0.8 3.9 10.3 0.9 9.4 2.7 2.0 0.7 7.1

 Lower During Sleeping Hours

 Yes ................................................. 46.4 33.1 28.3 4.7 3.5 0.8 2.7 7.2 0.7 6.4 2.7 2.3 0.4 7.7

 No ................................................... 50.2 33.7 27.4 6.3 4.5 0.7 3.8 9.1 0.8 8.2 2.9 2.1 0.8 7.6

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ........................... 89.1 63.7 53.8 9.9 7.1 1.4 5.7 13.0 1.2 11.8 5.3 4.2 1.1 6.1

 63 Degrees or Less ....................... 3.3 2.4 1.8 0.6 0.3 Q 0.2 0.4 Q 0.4 0.2 0.2 Q 22.3

 64 to 66 Degrees .......................... 8.9 6.2 5.1 1.1 1.0 Q 0.9 1.1 Q 1.1 0.6 0.4 0.3 15.0

 67 to 69 Degrees ........................... 22.3 17.3 15.1 2.2 1.3 0.4 0.9 2.5 0.2 2.3 1.2 1.1 0.2 11.1

 70 Degrees .................................... 28.7 20.2 17.2 3.0 2.6 0.6 2.1 4.1 0.6 3.5 1.8 1.4 0.4 8.4

 71 to 73 Degrees ........................... 13.9 10.0 8.8 1.2 1.0 0.2 0.8 2.2 0.3 1.9 0.7 0.5 0.1 12.4

 74 Degrees or More ...................... 12.0 7.5 5.7 1.8 1.0 Q 0.8 2.7 Q 2.5 0.8 0.7 0.2 13.8

 Heat Turned Off .............................. 3.2 1.5 1.0 0.5 0.4 Q 0.4 1.3 Q 1.1 Q Q Q 31.5

 Unknown/No Answer ....................... 4.3 1.7 1.0 0.7 0.5 Q 0.5 2.0 0.1 1.8 0.1 Q Q 19.9

See footnotes at end of table.

144 Energy Information Administration/Housing Characteristrics 1993
Table 3.25b. Usage Indicators by Type and Ownership of Housing Unit,

 Percent of U.S. Households, 1993

Usage Indicators 

RSE Column Factor:

Total

Type and Ownership of Housing Unit

RSE

Row

Factors

Single-Family 

Multifamily

Two to Four Units Five or More Units Mobile Home

Total Own Rent Total Own Rent Total Own Rent Total Own Rent

0.3 0.4 0.5 0.9 1.1 1.9 1.3 0.9 2.8 0.9 1.1 1.3 2.2

Total .................................................... 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 0.0

Weekday Home Activities

 Home Used for Business

 Yes .................................................. 6.3 7.2 7.7 4.6 4.6 Q 4.3 3.4 Q 3.0 6.5 6.6 Q 18.8

 No .................................................... 93.7 92.8 92.3 95.4 95.4 94.0 95.7 96.6 92.7 97.0 93.5 93.4 94.1 1.2

 Energy-Intensive Activity

 Yes .................................................. 2.6 2.8 2.8 3.2 Q Q Q 1.8 Q 2.0 4.3 3.7 Q 24.8

 No .................................................... 97.4 97.2 97.2 96.8 98.7 98.7 98.6 98.2 99.9 98.0 95.7 96.3 93.7 1.2

 Someone Home All Day

 Yes .................................................. 47.6 51.2 52.0 46.8 37.2 39.0 36.8 36.7 47.9 35.5 51.1 51.9 48.3 6.0

 No .................................................... 52.4 48.8 48.0 53.2 62.8 61.0 63.2 63.3 52.1 64.5 48.9 48.1 51.7 4.8

Heating

 Thermostat Available

 During Heating Season

 Yes .................................................. 83.0 87.4 89.0 79.2 72.7 89.9 68.7 69.4 79.6 68.3 84.4 87.1 74.1 3.0

 No .................................................... 16.1 11.8 10.4 18.8 26.6 Q 31.0 28.9 15.1 30.4 14.5 11.9 24.1 11.9

 Set-Back or Clock

 Thermostat in Home

 Yes .................................................. 11.2 13.4 14.8 6.6 7.9 17.7 5.6 5.9 Q 4.9 4.9 4.9 Q 21.3

 No .................................................... 88.8 86.6 85.2 93.4 92.1 82.3 94.4 94.1 84.8 95.1 95.1 95.1 95.1 1.8

 Winter Temperature Settings

 Lower When No One Home

 Yes ................................................. 44.7 46.7 47.7 41.7 40.4 44.6 39.5 36.5 42.5 35.8 51.2 54.3 39.5 5.6

 No ................................................... 55.3 53.3 52.3 58.3 59.6 55.4 60.5 63.5 57.5 64.2 48.8 45.7 60.5 4.3

 Lower During Sleeping Hours

 Yes ................................................. 48.1 49.5 50.8 43.0 43.5 51.4 41.7 44.3 47.7 43.9 48.5 52.0 35.7 5.6

 No ................................................... 51.9 50.5 49.2 57.0 56.5 48.6 58.3 55.7 52.3 56.1 51.5 48.0 64.3 4.8

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ........................... 92.2 95.3 96.4 89.7 89.0 96.8 87.2 80.1 80.1 80.1 95.4 94.9 97.2 1.7

 63 Degrees or Less ....................... 3.4 3.6 3.3 5.0 3.8 Q 3.4 2.5 Q 2.6 3.6 3.7 Q 21.6

 64 to 66 Degrees .......................... 9.2 9.2 9.1 9.9 12.2 Q 13.1 6.9 Q 7.4 10.9 8.1 21.3 13.8

 67 to 69 Degrees ........................... 23.1 25.9 27.1 20.3 15.7 23.7 13.8 15.4 14.3 15.5 22.1 24.5 13.3 9.4

 70 Degrees .................................... 29.7 30.3 30.9 27.2 32.8 37.0 31.9 25.3 37.5 24.0 31.7 30.9 34.7 6.3

 71 to 73 Degrees ........................... 14.4 15.0 15.9 10.9 12.4 14.1 12.0 13.5 16.5 13.2 11.7 12.4 9.2 10.7

 74 Degrees or More ...................... 12.4 11.2 10.2 16.3 12.1 Q 13.0 16.5 Q 17.3 15.2 15.2 15.3 12.6

 Heat Turned Off .............................. 3.3 2.2 1.8 4.2 4.7 Q 5.7 7.8 Q 7.4 Q Q Q 29.8

 Unknown/No Answer ....................... 4.4 2.5 1.8 6.1 6.3 Q 7.1 12.1 8.4 12.5 2.5 Q Q 19.8

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 145
Table 3.25a. Usage Indicators by Type and Ownership of Housing Unit,

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Type and Ownership of Housing Unit

RSE

Row

Factors

Single-Family 

Multifamily

Two to Four Units Five or More Units Mobile Home

Total Own Rent Total Own Rent Total Own Rent Total Own Rent

0.3 0.4 0.4 0.9 1.1 2.0 1.3 0.9 2.9 0.9 1.3 1.4 2.2

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ........................... 75.0 54.9 47.5 7.4 6.0 1.4 4.6 9.9 1.1 8.8 4.3 3.5 0.8 6.7

 63 Degrees or Less ....................... 17.0 13.0 11.1 1.9 1.4 0.4 1.0 1.4 0.2 1.2 1.2 1.0 0.2 12.4

 64 to 66 Degrees .......................... 14.7 11.2 9.9 1.3 1.1 0.2 0.9 1.5 Q 1.4 1.0 0.7 0.3 13.0

 67 to 69 Degrees ........................... 15.6 11.6 10.0 1.6 1.1 0.2 0.8 1.9 Q 1.8 1.0 0.9 Q 13.2

 70 Degrees .................................... 15.7 10.9 9.3 1.6 1.4 0.3 1.1 2.7 0.4 2.3 0.7 0.5 0.2 11.7

 71 to 73 Degrees ........................... 6.9 5.0 4.5 0.5 0.6 Q 0.5 1.1 0.2 0.9 0.2 0.2 Q 16.7

 74 Degrees or More ...................... 5.1 3.2 2.6 0.6 0.4 Q 0.3 1.3 Q 1.2 0.3 0.2 Q 21.8

 Heat Turned Off .............................. 17.8 10.5 7.4 3.1 1.6 Q 1.5 4.6 Q 4.3 1.1 0.8 0.4 11.8

 Unknown/No Answer ....................... 3.8 1.4 0.9 0.5 0.5 Q 0.4 1.8 0.1 1.6 0.1 Q Q 20.2

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ........................... 81.9 58.9 49.9 9.0 6.7 1.4 5.3 11.4 1.1 10.4 4.8 3.8 1.0 6.3

 63 Degrees or Less ....................... 15.5 11.5 9.9 1.6 1.3 0.4 0.9 1.7 Q 1.5 1.0 0.8 0.2 12.8

 64 to 66 Degrees .......................... 16.6 12.2 10.6 1.6 1.3 0.3 1.0 2.1 0.2 1.8 1.0 0.7 0.3 11.6

 67 to 69 Degrees ........................... 17.6 13.4 11.6 1.8 1.2 0.3 0.9 2.0 Q 1.9 1.0 0.9 Q 12.1

 70 Degrees .................................... 17.6 12.4 10.3 2.1 1.6 0.3 1.3 2.6 0.3 2.3 1.1 0.9 0.2 11.2

 71 to 73 Degrees ........................... 7.9 5.6 4.8 0.8 0.6 Q 0.5 1.4 0.2 1.1 0.3 0.3 Q 16.0

 74 Degrees or More ...................... 6.6 3.8 2.6 1.2 0.6 Q 0.6 1.8 Q 1.7 0.4 0.2 0.1 16.7

 Heat Turned Off .............................. 10.7 6.3 4.9 1.4 0.8 Q 0.8 2.9 Q 2.6 0.6 0.5 0.1 14.7

 Unknown/No Answer ....................... 4.1 1.6 0.9 0.6 0.5 Q 0.5 1.9 0.1 1.7 0.1 Q Q 20.3

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ...................................... 19.3 15.1 13.3 1.8 0.6 0.2 0.4 2.4 Q 2.0 1.1 1.0 Q 14.4

 Quite a Bit ....................................... 8.9 6.5 5.8 0.7 0.4 Q 0.3 1.5 Q 1.4 0.5 0.5 Q 19.5

 Only a Few Times ........................... 12.8 8.8 7.9 0.9 0.3 Q 0.3 3.1 0.4 2.7 0.6 0.5 Q 15.7

 Not at All .......................................... 1.0 0.7 0.6 Q Q Q Q 0.1 Q 0.1 Q Q Q 47.3

 No Central System .......................... 54.6 35.7 28.1 7.6 6.6 1.2 5.5 9.1 0.7 8.3 3.2 2.3 0.9 7.4

 Window Air-Conditioning Use

 All Summer ...................................... 4.8 3.2 2.5 0.7 0.4 Q 0.4 0.7 Q 0.7 0.4 0.3 Q 20.4

 Quite a Bit ....................................... 6.1 3.7 3.1 0.6 0.7 0.1 0.6 1.2 Q 1.1 0.4 0.3 Q 17.9

 Only a Few Times ........................... 13.4 9.0 7.7 1.4 1.4 0.4 1.0 2.3 0.4 1.9 0.7 0.5 0.2 13.9

 Not at All .......................................... 1.5 1.0 0.8 0.2 Q Q Q 0.3 Q 0.2 Q Q Q 34.7

 No Window Units ............................. 70.9 49.9 41.8 8.1 5.3 0.8 4.4 11.7 1.0 10.7 4.0 3.2 0.7 6.9

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ....................................... 28.4 16.7 14.1 2.5 3.1 0.4 2.6 7.2 0.8 6.4 1.5 1.2 0.3 9.1

 10 to 20 ........................................... 41.5 29.0 24.3 4.7 3.2 0.7 2.5 6.8 0.6 6.2 2.5 2.0 0.6 7.6

 21 or More ....................................... 26.4 20.9 17.3 3.6 1.8 0.4 1.4 2.3 0.1 2.1 1.5 1.2 0.3 11.1

 Not Applicable ................................. 0.3 0.2 Q Q Q Q Q Q Q Q Q Q Q 102.7

See footnotes at end of table.

146 Energy Information Administration/Housing Characteristrics 1993
Table 3.25b. Usage Indicators by Type and Ownership of Housing Unit,

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators 

RSE Column Factor:

Total

Type and Ownership of Housing Unit

RSE

Row

Factors

Single-Family 

Multifamily

Two to Four Units Five or More Units Mobile Home

Total Own Rent Total Own Rent Total Own Rent Total Own Rent

0.3 0.4 0.5 0.9 1.1 1.9 1.3 0.9 2.8 0.9 1.1 1.3 2.2

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ........................... 77.6 82.2 85.1 67.4 74.4 92.8 70.2 60.8 69.1 59.9 77.1 80.5 64.7 3.2

 63 Degrees or Less ....................... 17.6 19.5 19.9 17.1 17.1 26.7 14.9 8.8 12.4 8.4 21.5 23.5 14.0 10.9

 64 to 66 Degrees .......................... 15.2 16.8 17.7 11.8 13.6 14.1 13.4 8.9 Q 9.6 17.2 15.5 23.4 11.8

 67 to 69 Degrees ........................... 16.2 17.4 18.0 14.2 13.4 16.7 12.6 12.0 Q 12.3 17.7 20.5 Q 11.5

 70 Degrees .................................... 16.3 16.4 16.7 14.5 18.0 23.5 16.7 16.5 25.0 15.6 12.1 11.8 13.3 10.7

 71 to 73 Degrees ........................... 7.2 7.4 8.0 4.8 7.7 Q 8.2 6.8 13.1 6.1 4.0 4.0 Q 15.2

 74 Degrees or More ...................... 5.3 4.8 4.7 5.1 4.7 Q 4.4 7.8 Q 7.9 4.7 5.1 Q 20.6

 Heat Turned Off .............................. 18.4 15.7 13.3 27.9 19.4 Q 23.0 28.3 22.5 29.0 20.3 17.6 30.4 10.8

 Unknown/No Answer ....................... 3.9 2.1 1.6 4.7 6.2 Q 6.8 10.9 8.4 11.2 2.6 Q Q 20.4

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ........................... 84.7 88.2 89.5 81.5 83.5 96.0 80.6 70.5 68.7 70.6 86.3 86.4 86.2 2.4

 63 Degrees or Less ....................... 16.0 17.3 17.8 14.5 15.9 24.1 14.1 10.3 Q 10.5 17.1 17.9 14.2 11.9

 64 to 66 Degrees .......................... 17.2 18.3 19.1 14.3 16.8 19.8 16.1 12.7 15.1 12.4 18.4 16.3 26.6 10.5

 67 to 69 Degrees ........................... 18.2 20.1 20.9 16.1 15.2 20.2 14.1 12.2 Q 13.2 18.4 20.7 Q 10.4

 70 Degrees .................................... 18.2 18.6 18.5 18.8 19.7 21.5 19.3 15.8 19.3 15.4 19.4 20.2 16.5 9.7

 71 to 73 Degrees ........................... 8.2 8.3 8.6 7.0 7.7 Q 8.3 8.4 16.0 7.6 6.1 5.8 Q 14.6

 74 Degrees or More ...................... 6.9 5.7 4.7 10.7 8.1 Q 8.8 11.1 Q 11.6 6.9 5.6 11.8 15.6

 Heat Turned Off .............................. 11.0 9.5 8.8 12.8 9.8 Q 11.8 18.0 21.9 17.5 11.4 11.6 10.6 13.8

 Unknown/No Answer ....................... 4.3 2.3 1.7 5.7 6.7 Q 7.6 11.6 9.4 11.8 2.2 Q Q 20.5

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ...................................... 20.0 22.7 23.9 16.2 7.7 11.8 6.8 14.9 23.6 13.9 20.2 23.2 Q 13.5

 Quite a Bit ....................................... 9.2 9.7 10.4 6.3 4.4 Q 4.3 9.5 Q 9.7 9.4 11.0 Q 18.4

 Only a Few Times ........................... 13.3 13.1 14.1 8.3 4.2 Q 4.4 19.1 22.8 18.7 11.1 12.5 Q 14.1

 Not at All .......................................... 1.0 1.0 1.1 Q Q Q Q 0.8 Q 0.9 Q Q Q 43.5

 No Central System .......................... 56.5 53.4 50.4 68.5 83.0 79.6 83.7 55.7 45.4 56.8 57.2 51.6 78.1 5.0

 Window Air-Conditioning Use

 All Summer ...................................... 5.0 4.8 4.4 6.7 5.4 Q 5.7 4.5 Q 4.8 7.8 6.8 Q 19.9

 Quite a Bit ....................................... 6.3 5.6 5.5 5.9 9.3 8.3 9.5 7.6 Q 7.6 6.7 6.7 Q 17.1

 Only a Few Times ........................... 13.9 13.5 13.7 12.5 17.9 26.8 15.9 13.9 22.5 13.0 12.5 11.5 16.1 12.6

 Not at All .......................................... 1.6 1.5 1.5 1.5 Q Q Q 1.8 Q 1.7 Q Q Q 32.2

 No Window Units ............................. 73.3 74.7 74.9 73.4 66.0 56.8 68.1 72.2 64.7 73.0 71.2 73.4 62.6 3.8

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ....................................... 29.4 24.9 25.3 23.0 38.2 30.0 40.1 44.4 54.6 43.3 26.7 27.9 22.1 6.9

 10 to 20 ........................................... 43.0 43.5 43.6 42.7 39.7 44.0 38.8 41.7 36.5 42.2 45.5 44.8 48.4 5.4

 21 or More ....................................... 27.3 31.3 31.0 32.8 21.9 25.1 21.2 13.9 8.8 14.4 27.3 26.7 29.5 9.8

 Not Applicable ................................. 0.3 0.3 Q Q Q Q Q Q Q Q Q Q Q 87.8

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 147
Table 3.25a. Usage Indicators by Type and Ownership of Housing Unit,

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

Type and Ownership of Housing Unit

RSE

Row

Factors

Single-Family 

Multifamily

Two to Four Units Five or More Units Mobile Home

Total Own Rent Total Own Rent Total Own Rent Total Own Rent

0.3 0.4 0.4 0.9 1.1 2.0 1.3 0.9 2.9 0.9 1.3 1.4 2.2

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads .................................... 36.5 29.5 25.4 4.1 2.5 0.8 1.6 2.4 0.5 1.9 2.1 1.8 0.4 9.0

 6 to 10 Loads .................................. 25.0 21.3 18.3 3.0 1.1 0.2 0.8 0.9 0.3 0.6 1.7 1.4 0.3 11.7

 11 to 15 Loads ................................ 8.6 7.7 6.7 0.9 0.2 Q 0.2 0.1 Q 0.1 0.6 0.5 Q 18.4

 16 or More Loads ............................ 4.3 3.9 3.2 0.7 Q Q Q Q Q Q 0.3 0.2 Q 22.4

 No Washing Machine ...................... 22.2 4.4 2.1 2.3 4.1 0.3 3.8 12.7 0.7 12.0 0.9 0.5 0.4 10.8

 Dishwasher Use

 Less Than Once a Week ................. 2.3 1.6 1.5 Q Q Q Q 0.5 Q 0.5 Q Q Q 25.6

 A Few Times a Week ...................... 21.3 16.0 14.3 1.7 1.0 0.2 0.8 3.7 0.7 3.0 0.5 0.4 Q 13.3

 Several Times a Week .................... 11.8 10.1 9.4 0.7 0.4 0.1 0.3 1.0 0.2 0.8 0.2 0.2 Q 17.8

 Every Day ........................................ 7.3 6.3 5.7 0.6 0.2 Q 0.2 0.6 Q 0.5 0.2 0.2 Q 21.8

 More Than Every Day ..................... 1.0 0.9 0.7 Q Q Q Q Q Q Q Q Q Q 48.6

 No Dishwasher ................................ 52.9 31.8 24.0 7.8 6.2 1.0 5.2 10.3 0.4 9.9 4.6 3.5 1.1 6.6

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day .............................. 34.7 24.4 20.1 4.3 2.7 0.4 2.2 5.3 0.4 5.0 2.3 1.8 0.5 8.0

 1 a Day ............................................ 42.8 30.9 26.2 4.7 3.5 0.8 2.7 6.0 0.7 5.4 2.4 1.9 0.5 7.9

 A Few per Week .............................. 15.4 9.7 8.1 1.6 1.4 0.2 1.2 3.6 0.4 3.1 0.7 0.6 0.1 12.5

 About 1 a Week ............................... 2.0 1.0 0.8 0.2 0.2 Q 0.2 0.6 Q 0.6 Q Q Q 28.3

 Less Than 1 a Week ....................... 1.8 0.8 0.6 0.2 0.2 Q Q 0.7 Q 0.7 Q Q Q 30.4

 Amount of Food Cooked

 in Microwave Oven

 Most or All ....................................... 4.7 2.9 2.4 0.4 0.4 Q 0.4 1.1 Q 1.0 0.3 0.3 Q 19.6

 About Half ....................................... 13.1 9.8 8.2 1.5 0.6 Q 0.5 1.9 0.3 1.6 0.8 0.7 0.1 13.8

 Some or Very Little .......................... 22.2 16.6 14.4 2.2 1.7 0.3 1.4 2.5 0.3 2.2 1.4 1.2 0.2 10.4

 Only for Defrosting,

 Reheating, or Snacks .................... 41.2 30.2 25.6 4.6 3.3 0.7 2.6 5.5 0.8 4.7 2.3 1.8 0.4 8.4

 No Microwave Oven ........................ 15.3 7.3 5.1 2.3 2.0 0.3 1.7 5.2 Q 5.1 0.8 0.4 0.4 11.0

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 87.0 60.4 50.3 10.1 7.2 1.4 5.9 14.4 1.3 13.1 4.9 3.9 1.0 6.0

 No ................................................. 9.6 6.4 5.4 0.9 0.8 Q 0.6 1.8 0.2 1.6 0.7 0.5 0.2 15.6

 4 to 12 Hours a Day

 Yes ................................................ 83.2 58.6 49.5 9.1 6.6 1.3 5.3 13.3 1.3 12.0 4.7 3.7 0.9 6.1

 No ................................................. 13.4 8.2 6.3 1.9 1.4 0.2 1.2 2.9 0.2 2.7 0.9 0.7 0.3 12.5

 More than 12 Hours a Day

 Yes ................................................ 30.3 22.2 18.9 3.4 2.3 0.4 1.9 3.9 0.4 3.6 1.8 1.5 0.3 9.5

 No ................................................. 66.4 44.6 36.9 7.7 5.7 1.1 4.6 12.3 1.2 11.1 3.8 2.9 0.8 6.6

 Outdoor Lights

 Used .............................................. 63.5 50.5 42.9 7.6 4.7 1.2 3.6 4.5 0.3 4.1 3.8 3.1 0.7 7.3

 Not Used ...................................... 33.1 16.3 12.9 3.4 3.3 0.3 3.0 11.8 1.2 10.6 1.7 1.3 0.4 10.0

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 1993 Residential Energy Consumption Survey. 

(For specific titles of forms, see Appendix D.)

148 Energy Information Administration/Housing Characteristrics 1993
Table 3.25b. Usage Indicators by Type and Ownership of Housing Unit,

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators 

RSE Column Factor:

Total

Type and Ownership of Housing Unit

RSE

Row

Factors

Single-Family 

Multifamily

Two to Four Units Five or More Units Mobile Home

Total Own Rent Total Own Rent Total Own Rent Total Own Rent

0.3 0.4 0.5 0.9 1.1 1.9 1.3 0.9 2.8 0.9 1.1 1.3 2.2

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads .................................... 37.8 44.2 45.6 37.3 31.0 56.1 25.2 14.7 34.4 12.6 38.5 40.2 32.5 7.0

 6 to 10 Loads .................................. 25.8 31.9 32.9 27.1 13.2 16.6 12.5 5.5 19.2 4.0 30.2 32.5 21.5 9.6

 11 to 15 Loads ................................ 8.9 11.5 12.1 8.5 2.9 Q 2.7 0.9 Q 1.0 10.1 11.4 Q 17.7

 16 or More Loads ............................ 4.5 5.8 5.7 6.5 Q Q Q Q Q Q 5.1 4.4 Q 21.2

 No Washing Machine ...................... 22.9 6.6 3.8 20.6 51.6 21.2 58.5 78.4 46.2 81.8 16.1 11.5 33.0 8.3

 Dishwasher Use

 Less Than Once a Week ................. 2.4 2.5 2.7 Q Q Q Q 3.2 Q 3.1 Q Q Q 23.6

 A Few Times a Week ...................... 22.0 24.0 25.6 15.8 12.6 16.3 11.8 22.7 43.8 20.5 9.0 10.1 Q 11.7

 Several Times a Week .................... 12.2 15.2 16.9 6.6 5.3 8.9 4.4 6.4 15.4 5.4 3.6 4.4 Q 16.1

 Every Day ........................................ 7.5 9.4 10.3 5.1 2.6 Q 3.0 3.4 Q 3.1 3.7 4.3 Q 21.2

 More Than Every Day ..................... 1.1 1.3 1.3 Q Q Q Q Q Q Q Q Q Q 41.4

 No Dishwasher ................................ 54.8 47.6 43.1 70.4 77.4 69.3 79.2 63.6 26.6 67.5 82.0 79.0 93.1 3.7

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day .............................. 35.9 36.5 36.1 38.8 33.4 29.3 34.3 32.7 22.5 33.8 40.8 40.6 41.5 6.5

 1 a Day ............................................ 44.3 46.2 46.9 42.5 44.3 54.0 42.0 37.0 41.9 36.5 42.8 43.3 40.9 5.1

 A Few per Week .............................. 15.9 14.6 14.5 14.7 17.1 11.9 18.2 21.9 28.7 21.2 12.6 13.1 10.7 10.6

 About 1 a Week ............................... 2.1 1.5 1.4 2.1 3.0 Q 3.3 4.0 Q 4.0 Q Q Q 26.4

 Less Than 1 a Week ....................... 1.9 1.2 1.1 1.8 2.3 Q Q 4.4 Q 4.5 Q Q Q 28.1

 Amount of Food Cooked

 in Microwave Oven

 Most or All ....................................... 4.9 4.3 4.4 3.7 5.3 Q 5.9 6.9 Q 7.1 5.4 5.7 Q 18.6

 About Half ....................................... 13.6 14.6 14.8 13.8 7.8 Q 8.0 11.7 16.6 11.2 14.7 15.4 12.4 11.9

 Some or Very Little .......................... 23.0 24.8 25.8 20.1 21.0 20.1 21.2 15.6 18.7 15.3 25.4 27.8 16.4 9.2

 Only for Defrosting,

 Reheating, or Snacks .................... 42.7 45.3 45.9 41.9 41.0 47.9 39.4 33.6 51.5 31.8 40.4 41.7 35.4 5.7

 No Microwave Oven ........................ 15.9 11.0 9.1 20.5 24.9 22.1 25.5 32.1 Q 34.6 14.1 9.4 31.5 9.9

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 90.0 90.5 90.3 91.6 90.4 90.8 90.3 88.8 85.2 89.1 87.8 88.3 86.0 1.6

 No ................................................. 10.0 9.5 9.7 8.4 9.6 Q 9.7 11.2 14.8 10.9 12.2 11.7 14.0 14.4

 4 to 12 Hours a Day

 Yes ................................................ 86.1 87.8 88.8 82.7 82.7 88.6 81.4 81.9 85.4 81.5 83.7 85.1 78.4 2.1

 No ................................................. 13.9 12.2 11.2 17.3 17.3 11.4 18.6 18.1 14.6 18.5 16.3 14.9 21.6 11.0

 More than 12 Hours a Day

 Yes ................................................ 31.3 33.3 33.8 30.5 28.9 28.6 29.0 24.2 23.5 24.3 32.0 33.1 27.8 8.0

 No ................................................. 68.7 66.7 66.2 69.5 71.1 71.4 71.0 75.8 76.5 75.7 68.0 66.9 72.2 3.3

 Outdoor Lights

 Used .............................................. 65.8 75.6 76.9 69.2 58.9 77.4 54.7 27.6 22.2 28.2 68.7 70.2 63.0 4.9

 Not Used ...................................... 34.2 24.4 23.1 30.8 41.1 22.6 45.3 72.4 77.8 71.8 31.3 29.8 37.0 6.9

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 1993 Residential Energy Consumption Survey. 

(For specific titles of forms, see Appendix D.)

Energy Information Administration/Housing Characteristrics 1993 149
Table 3.26a. Usage Indicators by Family Income, 

 Million U.S. Households, 1993

Usage Indicators

RSE Column Factor:

Total

1993 Family Income

Below Poverty

Line Eligible

for

Federal

Assistance1

RSE

Row

Factors

Less

than

$5,000

$5,000

to

$9,999

$10,000

to

$14,999

$15,000

to

$24,999

$25,000

to

$34,999

$35,000

to

$49,999

$50,000

or

More

100

Percent

125

Percent

0.4 2.0 1.3 1.1 1.0 1.1 1.0 0.9 1.1 1.0 0.8

Total .................................................... 96.6 4.1 10.6 11.1 18.4 14.1 17.5 21.0 14.4 19.4 30.7 3.4

Weekday Home Activities

 Home Used for Business

 Yes .................................................. 6.1 Q 0.2 0.2 0.8 1.0 1.6 2.3 0.3 0.5 0.8 16.2

 No .................................................... 90.5 4.0 10.4 10.9 17.6 13.1 15.9 18.7 14.1 18.9 29.8 3.4

 Energy-Intensive Activity

 Yes .................................................. 2.5 Q Q 0.1 0.5 0.3 0.5 0.9 0.3 0.3 0.5 20.4

 No .................................................... 94.1 4.0 10.4 11.0 17.8 13.7 17.0 20.1 14.1 19.0 30.2 3.4

 Someone Home All Day

 Yes .................................................. 46.0 2.3 6.7 6.3 8.9 6.1 7.2 8.5 9.0 12.2 18.4 5.0

 No .................................................... 50.7 1.8 3.9 4.9 9.5 7.9 10.3 12.5 5.3 7.2 12.3 5.3

Heating

 Thermostat Available

 During Heating Season

 Yes .................................................. 80.2 2.6 7.6 8.4 15.2 12.3 15.2 18.9 9.6 13.4 22.5 4.0

 No .................................................... 15.5 1.4 3.0 2.6 3.0 1.6 2.1 1.9 4.6 5.8 7.8 9.0

 Set-Back or Clock

 Thermostat in Home

 Yes .................................................. 10.8 0.3 0.6 0.7 1.3 1.3 2.3 4.4 0.8 1.1 1.9 14.2

 No .................................................... 85.8 3.8 10.0 10.5 17.0 12.8 15.1 16.6 13.6 18.2 28.8 3.5

 Winter Temperature Settings

 Lower When No One Home

 Yes ................................................. 43.2 1.4 4.3 4.4 7.9 6.6 7.9 10.8 5.6 7.8 11.9 5.3

 No ................................................... 53.4 2.6 6.3 6.8 10.5 7.5 9.6 10.2 8.8 11.5 18.8 4.1

 Lower During Sleeping Hours

 Yes ................................................. 46.4 1.7 4.9 4.8 8.9 6.6 8.3 11.2 6.4 9.1 13.6 5.2

 No ................................................... 50.2 2.3 5.7 6.3 9.5 7.5 9.2 9.8 8.0 10.3 17.1 4.5

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ........................... 89.1 3.3 9.4 9.8 17.1 13.0 16.6 19.9 12.2 16.6 26.9 3.6

 63 Degrees or Less ....................... 3.3 0.2 0.5 0.4 0.6 0.5 0.5 0.6 0.7 0.8 1.3 15.2

 64 to 66 Degrees .......................... 8.9 0.4 0.8 1.0 1.6 1.1 1.8 2.2 1.2 1.6 2.6 10.5

 67 to 69 Degrees ........................... 22.3 0.6 1.4 1.6 4.1 3.2 5.1 6.3 2.0 2.8 4.8 7.8

 70 Degrees .................................... 28.7 1.0 3.1 3.1 6.0 4.5 4.9 6.2 3.7 5.5 8.6 6.4

 71 to 73 Degrees ........................... 13.9 0.4 1.3 1.6 2.2 2.3 2.7 3.3 1.5 2.1 3.8 9.4

 74 Degrees or More ...................... 12.0 0.8 2.3 2.0 2.6 1.5 1.6 1.3 3.1 3.9 5.7 9.1

 Heat Turned Off .............................. 3.2 0.2 0.4 0.6 0.5 0.6 0.5 0.5 0.7 1.0 1.3 24.0

 Unknown/No Answer ....................... 4.3 0.5 0.8 0.8 0.9 0.4 0.4 0.5 1.4 1.8 2.4 14.0

See footnotes at end of table.

150 Energy Information Administration/Housing Characteristrics 1993
Table 3.26b. Usage Indicators by Family Income, 

 Percent of U.S. Households, 1993

Usage Indicators

RSE Column Factor:

Total

1993 Family Income

Below Poverty

Line Eligible

for

Federal

Assistance1

RSE

Row

Factors

Less

than

$5,000

$5,000

to

$9,999

$10,000

to

$14,999

$15,000

to

$24,999

$25,000

to

$34,999

$35,000

to

$49,999

$50,000

or

More

100

Percent

125

Percent

0.5 1.9 1.3 1.1 0.9 1.1 1.0 0.9 1.1 1.0 0.8

Total .................................................... 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 0.0

Weekday Home Activities

 Home Used for Business

 Yes .................................................. 6.3 Q 1.9 1.9 4.3 7.1 8.9 10.7 2.2 2.5 2.7 15.7

 No .................................................... 93.7 98.0 98.1 98.1 95.7 92.9 91.1 89.3 97.8 97.5 97.3 NE

 Energy-Intensive Activity

 Yes .................................................. 2.6 Q Q 1.2 2.9 2.3 2.7 4.1 1.9 1.8 1.7 20.2

 No .................................................... 97.4 98.6 98.6 98.8 97.1 97.7 97.3 95.9 98.1 98.2 98.3 NE

 Someone Home All Day

 Yes .................................................. 47.6 56.6 63.3 56.3 48.3 43.6 41.2 40.6 62.8 63.0 60.0 3.7

 No .................................................... 52.4 43.4 36.7 43.7 51.7 56.4 58.8 59.4 37.2 37.0 40.0 4.2

Heating

 Thermostat Available

 During Heating Season

 Yes .................................................. 83.0 64.8 71.6 75.5 82.5 87.6 87.0 90.2 66.8 69.1 73.5 2.1

 No .................................................... 16.1 34.2 27.9 23.4 16.4 11.4 12.2 8.9 32.0 29.9 25.5 8.2

 Set-Back or Clock

 Thermostat in Home

 Yes .................................................. 11.2 6.8 5.5 5.9 7.3 9.2 13.3 20.9 5.8 5.8 6.1 13.4

 No .................................................... 88.8 93.2 94.5 94.1 92.7 90.8 86.7 79.1 94.2 94.2 93.9 1.2

 Winter Temperature Settings

 Lower When No One Home

 Yes ................................................. 44.7 34.9 40.6 39.2 43.1 46.9 45.0 51.4 39.1 40.4 38.7 4.0

 No ................................................... 55.3 65.1 59.4 60.8 56.9 53.1 55.0 48.6 60.9 59.6 61.3 2.9

 Lower During Sleeping Hours

 Yes ................................................. 48.1 42.7 46.4 43.5 48.4 46.9 47.6 53.2 44.6 46.7 44.3 3.9

 No ................................................... 51.9 57.3 53.6 56.5 51.6 53.1 52.4 46.8 55.4 53.3 55.7 3.4

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ........................... 92.2 82.4 88.7 87.7 92.8 92.8 95.0 95.1 84.9 85.9 87.8 1.4

 63 Degrees or Less ....................... 3.4 5.6 4.5 3.5 3.3 3.6 2.7 3.0 5.0 4.3 4.3 15.2

 64 to 66 Degrees .......................... 9.2 10.4 7.8 8.7 8.4 7.7 10.3 10.5 8.1 8.3 8.6 10.2

 67 to 69 Degrees ........................... 23.1 14.8 13.7 14.8 22.2 22.6 29.0 30.0 14.2 14.4 15.7 7.1

 70 Degrees .................................... 29.7 23.5 29.0 28.1 32.5 32.1 28.1 29.4 25.9 28.1 28.0 5.3

 71 to 73 Degrees ........................... 14.4 9.4 12.3 14.7 12.1 16.5 15.6 15.8 10.4 10.7 12.5 9.1

 74 Degrees or More ...................... 12.4 18.7 21.3 17.9 14.2 10.4 9.2 6.3 21.4 20.0 18.7 8.3

 Heat Turned Off .............................. 3.3 4.7 3.7 5.0 2.5 4.1 2.9 2.6 5.2 5.0 4.3 23.5

 Unknown/No Answer ....................... 4.4 12.9 7.7 7.3 4.7 3.0 2.1 2.4 10.0 9.2 7.9 14.0

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 151
Table 3.26a. Usage Indicators by Family Income, 

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

1993 Family Income

Below Poverty

Line Eligible

for

Federal

Assistance1

RSE

Row

Factors

Less

than

$5,000

$5,000

to

$9,999

$10,000

to

$14,999

$15,000

to

$24,999

$25,000

to

$34,999

$35,000

to

$49,999

$50,000

or

More

100

Percent

125

Percent

0.4 2.0 1.3 1.1 1.0 1.1 1.0 0.9 1.1 1.0 0.8

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ........................... 75.0 2.5 7.1 7.8 14.4 11.3 14.5 17.6 8.8 12.6 20.9 4.0

 63 Degrees or Less ....................... 17.0 0.6 1.4 1.6 3.0 2.5 3.2 4.6 1.9 2.7 4.4 8.4

 64 to 66 Degrees .......................... 14.7 0.4 1.0 1.2 2.9 2.1 3.1 4.0 1.4 2.1 3.2 9.2

 67 to 69 Degrees ........................... 15.6 0.5 1.1 1.5 3.0 2.6 3.4 3.6 1.6 2.2 3.9 9.4

 70 Degrees .................................... 15.7 0.4 1.9 1.7 3.2 2.3 2.9 3.2 2.0 2.9 5.0 9.2

 71 to 73 Degrees ........................... 6.9 0.3 0.7 0.9 1.0 1.1 1.4 1.6 0.9 1.2 2.2 12.3

 74 Degrees or More ...................... 5.1 0.3 0.9 0.8 1.3 0.7 0.6 0.6 1.1 1.5 2.3 13.6

 Heat Turned Off .............................. 17.8 1.1 2.8 2.7 3.2 2.3 2.7 3.0 4.4 5.2 7.6 9.1

 Unknown/No Answer ....................... 3.8 0.5 0.7 0.6 0.8 0.4 0.3 0.4 1.2 1.5 2.1 14.9

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ........................... 81.9 2.9 7.9 8.8 15.8 12.1 15.6 18.8 10.3 14.3 23.7 3.6

 63 Degrees or Less ....................... 15.5 0.5 1.4 1.6 3.0 2.3 3.0 3.6 1.8 2.6 4.2 9.0

 64 to 66 Degrees .......................... 16.6 0.7 1.2 1.5 3.2 2.1 3.2 4.7 1.8 2.5 4.0 8.7

 67 to 69 Degrees ........................... 17.6 0.5 1.3 1.4 3.6 2.9 3.5 4.4 1.7 2.4 4.2 8.0

 70 Degrees .................................... 17.6 0.6 2.2 2.1 3.5 2.6 3.3 3.4 2.4 3.4 6.0 7.9

 71 to 73 Degrees ........................... 7.9 0.2 0.8 1.0 1.1 1.4 1.5 1.8 0.9 1.3 2.4 12.0

 74 Degrees or More ...................... 6.6 0.4 0.9 1.1 1.4 0.8 1.0 0.9 1.7 1.9 2.9 10.9

 Heat Turned Off .............................. 10.7 0.6 1.9 1.6 1.8 1.5 1.5 1.8 2.7 3.4 4.6 11.5

 Unknown/No Answer ....................... 4.1 0.5 0.9 0.7 0.8 0.4 0.3 0.4 1.4 1.7 2.4 14.4

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ...................................... 19.3 0.4 1.1 1.2 3.0 3.2 4.3 6.1 1.2 1.6 3.3 9.8

 Quite a Bit ....................................... 8.9 0.2 0.5 0.6 1.3 1.4 1.9 3.0 0.7 0.9 1.5 13.5

 Only a Few Times ........................... 12.8 0.4 1.1 1.3 2.5 2.1 2.3 3.2 1.3 2.0 3.3 11.2

 Not at All .......................................... 1.0 Q Q 0.2 Q 0.2 0.2 0.1 0.2 0.2 0.4 31.0

 No Central System .......................... 54.6 2.9 7.8 7.8 11.5 7.1 8.9 8.6 11.0 14.6 22.2 4.5

 Window Air-Conditioning Use

 All Summer ...................................... 4.8 0.6 0.8 0.8 1.1 0.5 0.6 0.5 1.4 1.8 2.5 13.1

 Quite a Bit ....................................... 6.1 0.3 0.9 0.7 1.3 0.7 1.2 1.0 1.0 1.5 2.3 12.3

 Only a Few Times ........................... 13.4 0.4 1.8 1.8 2.5 2.1 2.6 2.2 2.2 3.1 5.0 9.0

 Not at All .......................................... 1.5 Q 0.3 0.2 0.2 0.2 0.2 0.3 0.3 0.4 0.5 26.3

 No Window Units ............................. 70.9 2.6 6.9 7.6 13.3 10.5 12.9 17.0 9.4 12.4 20.4 4.0

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ....................................... 28.4 1.7 6.1 4.9 6.4 4.0 3.1 2.3 5.5 7.4 12.1 5.8

 10 to 20 ........................................... 41.5 1.5 2.9 4.1 8.1 6.2 8.6 10.1 4.9 6.8 10.7 5.5

 21 or More ....................................... 26.4 0.8 1.5 2.0 3.9 3.9 5.8 8.5 3.7 5.0 7.6 7.0

 Not Applicable ................................. 0.3 Q Q Q Q Q Q Q 0.2 0.2 0.2 39.0

See footnotes at end of table.

152 Energy Information Administration/Housing Characteristrics 1993
Table 3.26b. Usage Indicators by Family Income, 

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

1993 Family Income

Below Poverty

Line Eligible

for

Federal

Assistance1

RSE

Row

Factors

Less

than

$5,000

$5,000

to

$9,999

$10,000

to

$14,999

$15,000

to

$24,999

$25,000

to

$34,999

$35,000

to

$49,999

$50,000

or

More

100

Percent

125

Percent

0.5 1.9 1.3 1.1 0.9 1.1 1.0 0.9 1.1 1.0 0.8

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ........................... 77.6 61.0 66.6 70.1 78.2 80.5 82.8 83.8 61.0 65.2 68.1 2.5

 63 Degrees or Less ....................... 17.6 15.0 13.6 14.7 16.4 17.7 18.3 22.0 13.4 14.0 14.4 8.0

 64 to 66 Degrees .......................... 15.2 10.6 9.6 11.0 15.8 14.7 17.5 19.0 9.5 10.6 10.3 8.8

 67 to 69 Degrees ........................... 16.2 11.6 10.4 13.1 16.2 18.7 19.3 17.1 10.8 11.6 12.6 9.0

 70 Degrees .................................... 16.3 9.8 18.0 15.6 17.6 16.6 16.7 15.3 13.7 15.2 16.2 8.8

 71 to 73 Degrees ........................... 7.2 6.4 6.9 8.2 5.4 7.8 7.8 7.6 6.2 6.3 7.1 12.1

 74 Degrees or More ...................... 5.3 7.5 8.2 7.4 6.8 4.9 3.2 2.8 7.5 7.5 7.4 13.1

 Heat Turned Off .............................. 18.4 27.4 26.7 24.1 17.3 16.7 15.4 14.1 30.3 26.9 24.9 8.0

 Unknown/No Answer ....................... 3.9 11.6 6.7 5.8 4.5 2.8 1.9 2.0 8.7 7.9 6.9 15.0

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ........................... 84.7 72.1 74.2 79.4 85.8 86.1 89.4 89.5 71.4 73.6 77.3 1.9

 63 Degrees or Less ....................... 16.0 12.3 13.2 14.8 16.2 16.1 17.4 17.3 12.8 13.5 13.7 8.5

 64 to 66 Degrees .......................... 17.2 17.1 11.2 13.7 17.4 14.9 18.5 22.4 12.3 13.1 13.1 8.3

 67 to 69 Degrees ........................... 18.2 12.5 12.3 12.7 19.6 20.4 20.0 21.1 11.7 12.3 13.7 7.3

 70 Degrees .................................... 18.2 14.3 20.9 18.7 18.8 18.5 19.0 16.0 16.8 17.8 19.4 7.3

 71 to 73 Degrees ........................... 8.2 5.6 7.6 9.3 5.9 10.2 8.8 8.5 6.2 6.9 7.7 11.7

 74 Degrees or More ...................... 6.9 10.3 9.0 10.2 7.7 5.9 5.6 4.2 11.6 9.9 9.6 10.4

 Heat Turned Off .............................. 11.0 15.6 17.7 14.1 9.7 10.8 8.8 8.4 18.9 17.4 14.9 10.5

 Unknown/No Answer ....................... 4.3 12.3 8.1 6.5 4.5 3.1 1.8 2.1 9.8 9.0 7.9 14.4

Air-Conditioning

 Central Air-Conditioning Use

 All Summer ...................................... 20.0 10.9 10.3 11.1 16.1 22.9 24.4 29.0 8.1 8.3 10.6 9.1

 Quite a Bit ....................................... 9.2 5.9 4.6 5.3 7.3 9.8 10.7 14.4 4.8 4.8 5.0 13.0

 Only a Few Times ........................... 13.3 9.9 10.4 11.5 13.4 15.2 13.0 15.1 9.2 10.4 10.8 10.6

 Not at All .......................................... 1.0 Q Q 1.8 Q 1.6 1.1 0.6 1.2 1.1 1.2 30.5

 No Central System .......................... 56.5 72.3 74.0 70.3 62.4 50.5 50.8 40.8 76.7 75.4 72.4 3.2

 Window Air-Conditioning Use

 All Summer ...................................... 5.0 14.1 7.3 7.0 5.8 3.6 3.5 2.4 10.0 9.5 8.0 12.7

 Quite a Bit ....................................... 6.3 7.7 8.1 6.1 7.1 5.0 6.8 4.8 7.0 7.9 7.3 12.0

 Only a Few Times ........................... 13.9 11.1 17.1 16.3 13.7 15.0 14.6 10.3 15.6 16.2 16.4 8.4

 Not at All .......................................... 1.6 Q 2.5 2.1 1.0 1.5 1.3 1.5 2.0 2.3 1.8 25.9

 No Window Units ............................. 73.3 65.3 65.0 68.6 72.4 74.9 73.8 81.0 65.4 64.1 66.4 2.4

Hot Water

 Number of Showers/Baths

 Taken Each Week

 9 or Fewer ....................................... 29.4 41.7 57.5 44.0 34.8 28.1 17.5 11.0 38.5 38.3 39.5 4.8

 10 to 20 ........................................... 43.0 36.4 27.0 37.0 44.2 44.2 49.5 48.3 34.2 34.9 35.0 4.4

 21 or More ....................................... 27.3 19.9 14.5 18.3 21.0 27.6 33.0 40.7 25.9 25.7 24.8 6.4

 Not Applicable ................................. 0.3 Q Q Q Q Q Q Q 1.3 1.0 0.8 37.8

See footnotes at end of table.

Energy Information Administration/Housing Characteristrics 1993 153
Table 3.26a. Usage Indicators by Family Income, 

 Million U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

1993 Family Income

Below Poverty

Line Eligible

for

Federal

Assistance1

RSE

Row

Factors

Less

than

$5,000

$5,000

to

$9,999

$10,000

to

$14,999

$15,000

to

$24,999

$25,000

to

$34,999

$35,000

to

$49,999

$50,000

or

More

100

Percent

125

Percent

0.4 2.0 1.3 1.1 1.0 1.1 1.0 0.9 1.1 1.0 0.8

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads .................................... 36.5 1.2 4.4 4.5 7.8 5.5 6.1 7.1 4.9 6.5 10.8 5.3

 6 to 10 Loads .................................. 25.0 0.5 1.2 1.8 3.9 4.3 5.6 7.7 2.2 3.1 5.4 7.6

 11 to 15 Loads ................................ 8.6 0.1 0.2 0.5 1.1 1.4 2.2 3.2 0.6 1.0 1.7 12.7

 16 or More Loads ............................ 4.3 0.1 0.2 0.2 0.9 0.6 1.0 1.3 0.5 0.9 1.2 17.6

 No Washing Machine ...................... 22.2 2.1 4.7 4.1 4.7 2.3 2.6 1.7 6.2 7.8 11.5 7.4

 Dishwasher Use

 Less Than Once a Week ................. 2.3 Q Q Q 0.5 0.6 0.4 0.5 0.2 0.2 0.4 22.3

 A Few Times a Week ...................... 21.3 0.5 0.8 1.6 3.5 3.6 4.7 6.6 1.2 1.6 3.2 9.2

 Several Times a Week .................... 11.8 Q 0.1 0.7 1.4 1.5 3.3 4.7 0.4 0.7 1.3 12.5

 Every Day ........................................ 7.3 Q 0.2 0.2 0.7 1.1 1.8 3.3 0.3 0.5 1.0 15.3

 More Than Every Day ..................... 1.0 Q Q Q 0.2 0.2 0.2 0.4 Q 0.2 0.2 33.2

 No Dishwasher ................................ 52.9 3.4 9.4 8.4 12.1 7.1 7.2 5.4 12.3 16.2 24.6 4.4

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day .............................. 34.7 2.1 4.5 4.8 7.1 4.6 5.5 6.1 7.5 9.8 14.4 5.3

 1 a Day ............................................ 42.8 1.2 3.9 3.9 7.6 6.6 8.8 10.9 4.4 6.6 11.0 5.4

 A Few per Week .............................. 15.4 0.7 1.6 1.9 3.0 2.2 2.6 3.4 1.8 2.3 4.2 8.2

 About 1 a Week ............................... 2.0 Q 0.2 0.4 0.5 0.3 0.3 0.3 0.3 0.3 0.7 24.6

 Less Than 1 a Week ....................... 1.8 Q 0.4 0.2 0.3 0.4 0.3 0.3 0.3 0.3 0.5 22.6

 Amount of Food Cooked

 in Microwave Oven

 Most or All ....................................... 4.7 0.2 0.4 0.4 1.1 0.9 0.7 1.0 0.6 0.7 1.1 16.6

 About Half ....................................... 13.1 0.4 0.9 1.0 2.6 1.9 2.6 3.7 1.1 1.6 3.0 9.7

 Some or Very Little .......................... 22.2 0.6 1.4 2.2 4.0 3.5 4.6 5.8 2.2 3.3 5.3 7.6

 Only for Defrosting,

 Reheating, or Snacks .................... 41.2 1.4 4.0 4.6 8.0 6.4 7.9 9.0 5.4 7.5 12.5 5.3

 No Microwave Oven ........................ 15.3 1.5 3.9 2.9 2.7 1.4 1.6 1.4 5.2 6.3 8.8 7.6

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 87.0 3.3 9.1 9.7 16.5 12.8 16.1 19.4 12.3 16.6 26.4 3.7

 No ................................................. 9.6 0.8 1.5 1.4 1.9 1.3 1.3 1.5 2.1 2.7 4.3 10.2

 4 to 12 Hours a Day

 Yes ................................................ 83.2 3.1 7.8 9.0 15.7 12.3 16.2 19.2 10.9 14.9 24.3 3.7

 No ................................................. 13.4 1.0 2.8 2.1 2.7 1.8 1.3 1.8 3.5 4.4 6.3 8.6

 More than 12 Hours a Day

 Yes ................................................ 30.3 1.4 3.1 3.3 5.9 4.5 5.6 6.6 4.9 6.8 9.8 6.0

 No ................................................. 66.4 2.7 7.4 7.8 12.5 9.6 11.9 14.4 9.5 12.6 20.9 4.0

 Outdoor Lights

 Used .............................................. 63.5 1.8 5.3 6.3 11.8 9.6 12.4 16.3 7.3 10.4 17.0 5.0

 Not Used ...................................... 33.1 2.2 5.3 4.8 6.6 4.5 5.0 4.6 7.0 9.0 13.7 6.1

1 Below 150 percent of poverty line or 60 percent of median State income.

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 1993 Residential Energy Consumption

Survey. (For specific titles of forms, see Appendix D.)

154 Energy Information Administration/Housing Characteristrics 1993
Table 3.26b. Usage Indicators by Family Income, 

 Percent of U.S. Households, 1993 (Continued)

Usage Indicators

RSE Column Factor:

Total

1993 Family Income

Below Poverty

Line Eligible

for

Federal

Assistance1

RSE

Row

Factors

Less

than

$5,000

$5,000

to

$9,999

$10,000

to

$14,999

$15,000

to

$24,999

$25,000

to

$34,999

$35,000

to

$49,999

$50,000

or

More

100

Percent

125

Percent

0.5 1.9 1.3 1.1 0.9 1.1 1.0 0.9 1.1 1.0 0.8

Hot Water (continued)

 Loads of Laundry

 Washed Each Week

 1 to 5 Loads .................................... 37.8 29.4 41.2 40.7 42.4 39.1 34.7 33.9 33.7 33.8 35.4 4.4

 6 to 10 Loads .................................. 25.8 12.8 11.1 16.6 21.2 30.6 32.0 36.5 15.3 16.2 17.5 6.9

 11 to 15 Loads ................................ 8.9 3.6 1.8 4.1 5.9 9.8 12.5 15.2 4.4 5.3 5.6 12.6

 16 or More Loads ............................ 4.5 2.1 1.6 2.1 4.8 4.2 6.0 6.3 3.6 4.4 4.0 17.5

 No Washing Machine ...................... 22.9 52.1 44.4 36.4 25.8 16.2 14.9 8.0 43.0 40.3 37.4 6.0

 Dishwasher Use

 Less Than Once a Week ................. 2.4 Q Q Q 2.7 4.3 2.4 2.4 1.1 1.0 1.2 21.9

 A Few Times a Week ...................... 22.0 13.0 7.2 14.2 19.2 25.5 26.8 31.5 8.3 8.3 10.3 8.8

 Several Times a Week .................... 12.2 Q 1.4 6.3 7.5 10.5 18.7 22.5 2.8 3.4 4.1 12.2

 Every Day ........................................ 7.5 Q 1.5 1.7 3.7 8.2 10.2 15.7 2.1 2.8 3.4 14.9

 More Than Every Day ..................... 1.1 Q Q Q 1.2 1.3 0.9 1.9 Q 1.0 0.7 32.5

 No Dishwasher ................................ 54.8 82.9 88.6 75.9 65.6 50.2 41.1 25.9 85.2 83.5 80.2 2.4

Cooking

 Number of Hot Meals

 Cooked in the Home

 2 or More a Day .............................. 35.9 51.2 42.4 43.1 38.6 32.6 31.7 29.0 52.3 50.6 47.0 4.1

 1 a Day ............................................ 44.3 29.0 37.1 35.1 41.2 46.9 50.2 51.8 30.8 34.3 35.7 4.3

 A Few per Week .............................. 15.9 16.3 15.3 16.9 16.1 15.6 15.0 16.4 12.7 11.9 13.6 7.5

 About 1 a Week ............................... 2.1 Q 1.9 3.2 2.6 2.3 1.5 1.4 1.8 1.4 2.1 24.2

 Less Than 1 a Week ....................... 1.9 Q 3.3 1.7 1.5 2.6 1.6 1.3 2.3 1.8 1.6 22.5

 Amount of Food Cooked

 in Microwave Oven

 Most or All ....................................... 4.9 4.3 3.8 4.0 5.9 6.2 4.2 4.7 3.9 3.8 3.7 16.3

 About Half ....................................... 13.6 9.2 8.1 9.4 14.0 13.6 15.1 17.8 7.5 8.5 9.6 9.3

 Some or Very Little .......................... 23.0 15.4 13.7 19.6 21.9 24.9 26.4 27.9 15.4 16.8 17.1 7.0

 Only for Defrosting,

 Reheating, or Snacks .................... 42.7 35.3 38.1 41.3 43.4 45.3 45.0 42.8 37.4 38.5 40.8 4.2

 No Microwave Oven ........................ 15.9 35.8 36.4 25.7 14.8 9.9 9.3 6.8 35.8 32.4 28.8 6.4

Lighting

 Indoor Light Usage

 1 to 4 Hours a Day

 Yes ................................................ 90.0 81.3 86.0 87.3 89.9 91.0 92.4 92.7 85.5 85.9 86.1 1.4

 No ................................................. 10.0 18.7 14.0 12.7 10.1 9.0 7.6 7.3 14.5 14.1 13.9 9.8

 4 to 12 Hours a Day

 Yes ................................................ 86.1 76.3 73.8 80.8 85.2 87.3 92.6 91.6 75.9 77.1 79.3 1.8

 No ................................................. 13.9 23.7 26.2 19.2 14.8 12.7 7.4 8.4 24.1 22.9 20.7 7.8

 More than 12 Hours a Day

 Yes ................................................ 31.3 33.8 29.7 29.6 31.9 31.8 31.8 31.3 34.1 35.0 32.0 5.0

 No ................................................. 68.7 66.2 70.3 70.4 68.1 68.2 68.2 68.7 65.9 65.0 68.0 2.4

 Outdoor Lights

 Used .............................................. 65.8 45.0 49.6 56.9 64.3 68.0 71.1 77.9 51.1 53.5 55.4 3.5

 Not Used ...................................... 34.2 55.0 50.4 43.1 35.7 32.0 28.9 22.1 48.9 46.5 44.6 5.3

1 Below 150 percent of poverty line or 60 percent of median State income.

NE = RSE row factor not estimated because RSE’s for all statistics in this row are between 0.0 and 1.0 percent.

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 1993 Residential Energy Consumption

Survey. (For specific titles of forms, see Appendix D.)

Energy Information Administration/Housing Characteristrics 1993 155