Table HC6-7b. Usage Indicators by Four Most Populated States, 

 Percent of U.S. Households, 1997

Usage Indicators

RSE Column Factor:

Total

Four Most Populated States

RSE

Row

Factors

New York California Texas Florida

0.4 1.2 1.1 1.3 1.5

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

Weekday Home Activities

 Home Used for Business

 Yes ............................................................ 7.2 7.4 7.5 6.0 6.4 13.5

 No .............................................................. 92.8 92.6 92.5 94.0 93.6 2.2

 Energy-Intensive Activity

 Yes ............................................................ 2.4 Q 3.2 2.1 Q 26.0

 No .............................................................. 97.6 98.3 96.8 97.9 97.1 1.5

 Someone Home All Day

 Yes ............................................................ 50.6 55.4 50.8 49.9 57.1 3.2

 No .............................................................. 49.4 44.6 49.2 50.1 42.9 3.6

Heating

 Thermostat Available

 During Heating Season

 Yes ............................................................ 84.7 67.6 76.2 83.7 85.1 3.2

 No .............................................................. 14.5 32.1 22.8 15.9 11.1 13.1

 Do Not Heat Home .................................... 0.8 0.3 Q Q Q 24.0

 Set-Back or Clock

 Thermostat in Home

 Yes ............................................................ 44.2 37.1 51.0 54.1 60.0 8.1

 No .............................................................. 55.8 62.9 49.0 45.9 40.0 7.8

 Use of Set-Back/Clock

 Thermostat for Heating

 Programming Features Used .................. 11.5 12.7 13.7 9.6 12.3 15.8

 Only Manual Controls Used .................... 32.7 24.5 37.3 44.5 47.7 11.0

 Winter Temperature Settings

 Lower When No One Home

 Yes ........................................................... 44.8 34.4 59.2 42.7 38.9 4.0

 No ............................................................. 55.2 65.6 40.8 57.3 61.1 3.1

 Lower During Sleeping Hours

 Yes ........................................................... 46.8 39.2 64.6 45.7 43.0 3.9

 No ............................................................. 53.2 60.8 35.4 54.3 57.0 3.6

 Daytime Winter Temperature

 When Someone is at Home

 Heat is Turned On ..................................... 92.5 84.3 85.6 91.8 79.4 2.7

 63 Degrees or Less ................................. 3.8 3.8 6.3 1.3 1.2 26.4

 64 to 66 Degrees .................................... 8.1 10.3 13.8 5.1 6.1 12.7

 67 to 69 Degrees ..................................... 23.0 22.8 21.5 15.6 9.8 9.1

 70 Degrees .............................................. 25.3 22.6 25.4 24.2 14.9 8.2

 71 to 73 Degrees ..................................... 14.5 11.1 7.3 14.4 14.9 8.3

 74 Degrees or More ................................ 17.8 13.8 11.2 31.2 32.4 8.9

 Heat Turned Off ......................................... 2.1 Q 9.8 Q 10.3 22.0

 Unknown/No Answer ................................. 5.4 15.7 4.6 7.7 10.4 22.3

See footnotes at end of table.

Energy Information Administration/Housing Characteristics 1997

Table Layout at 3:57:02 PM on 11/11/99
Table HC6-7b. Usage Indicators by Four Most Populated States, 

 Percent of U.S. Households, 1997 (Continued)

Usage Indicators

RSE Column Factor:

Total

Four Most Populated States

RSE

Row

Factors

New York California Texas Florida

0.4 1.2 1.1 1.3 1.5

 Daytime Winter Temperature

 When No One is at Home

 Heat is Turned On ..................................... 83.7 82.4 58.3 79.8 61.6 3.3

 63 Degrees or Less ................................. 19.4 17.5 22.2 16.5 9.0 13.5

 64 to 66 Degrees .................................... 16.3 17.0 13.2 9.7 11.1 9.9

 67 to 69 Degrees ..................................... 17.8 17.2 9.6 15.0 6.7 11.0

 70 Degrees .............................................. 14.6 16.4 8.4 20.7 9.6 10.6

 71 to 73 Degrees ..................................... 7.5 6.7 2.4 6.8 6.9 14.2

 74 Degrees or More ................................ 8.1 7.6 Q 11.1 18.3 12.5

 Heat Turned Off ......................................... 10.2 1.4 35.8 12.7 28.1 11.7

 Unknown/No Answer ................................. 6.1 16.2 5.9 7.4 10.2 18.7

 Winter Temperature

 During Sleeping Hours

 Heat is Turned On ..................................... 87.8 83.0 64.6 89.1 73.1 3.0

 63 Degrees or Less ................................. 16.2 15.8 21.4 11.0 4.7 13.3

 64 to 66 Degrees .................................... 16.6 19.4 13.1 15.8 10.7 7.5

 67 to 69 Degrees ..................................... 19.3 19.2 11.6 15.7 10.3 8.8

 70 Degrees .............................................. 17.3 14.5 10.9 21.6 11.4 10.3

 71 to 73 Degrees ..................................... 8.3 5.1 3.1 8.9 11.3 13.5

 74 Degrees or More ................................ 10.1 8.9 4.5 16.0 24.6 16.4

 Heat Turned Off ......................................... 7.1 1.2 31.6 4.9 16.9 17.7

 Unknown/No Answer ................................. 5.0 15.8 3.8 6.0 10.0 23.1

Air-Conditioning

 Central Air-Conditioning Use

 Use a Central System ............................... 47.1 18.5 28.9 69.1 83.2 5.3

 All Summer .............................................. 24.3 5.4 6.1 52.8 61.0 9.4

 Quite a Bit ................................................ 10.3 6.4 7.0 8.9 10.6 12.6

 Only a Few Times ................................... 12.2 6.7 14.6 6.9 10.4 16.1

 Not at All .................................................. 0.3 Q 1.2 0.5 1.1 29.0

 No Central System .................................... 52.9 81.5 71.1 30.9 16.8 5.2

 Use of Set-Back/Clock

 Thermostat for Cooling

 Programming Features Used .................. 4.9 3.0 2.2 10.1 9.3 16.7

 Only Manual Controls Used .................... 13.3 5.8 6.0 30.9 40.3 16.7

 Used Only for Heating ............................. 0.4 Q Q Q Q 57.5

 Window Air-Conditioning Use

 Use Window Units ..................................... 26.1 44.5 12.9 23.5 14.8 10.0

 All Summer .............................................. 5.6 5.5 1.9 10.0 4.9 22.7

 Quite a Bit ................................................ 6.5 11.5 2.3 5.9 3.3 18.6

 Only a Few Times ................................... 13.3 27.1 8.4 7.6 5.4 11.2

 Not at All .................................................. 0.7 Q Q Q 1.1 36.2

 No Window Units ....................................... 73.9 55.5 87.1 76.5 85.2 2.9

Hot Water

 Number of Showers/Baths

 Taken Each Week

 Fewer than 10 ........................................... 27.9 28.0 24.7 23.5 21.8 6.9

 10 to 20 ..................................................... 46.0 45.5 49.5 40.5 42.8 4.4

 More than 20 ............................................. 26.0 26.2 25.5 35.7 34.6 6.7

 Not Applicable ........................................... 0.2 0.4 0.3 Q Q 43.3

See footnotes at end of table.

Energy Information Administration/Housing Characteristics 1997

Table Layout at 3:57:02 PM on 11/11/99
Table HC6-7b. Usage Indicators by Four Most Populated States, 

 Percent of U.S. Households, 1997 (Continued)

Usage Indicators

RSE Column Factor:

Total

Four Most Populated States

RSE

Row

Factors

New York California Texas Florida

0.4 1.2 1.1 1.3 1.5

Hot Water (continued)

 Dishwasher Use

 Each Week

 Use a Dishwasher ..................................... 50.2 46.0 47.5 54.7 58.0 6.1

 Less Than 4 Times .................................. 28.3 25.9 27.8 30.0 35.7 8.6

 4 to 6 Times ............................................. 12.7 11.1 12.0 13.1 13.7 11.7

 At Least Once Each Day ......................... 9.2 9.0 7.6 11.6 8.7 12.7

 No Dishwasher .......................................... 49.8 54.0 52.5 45.3 42.0 6.4

 Loads of Laundry

 Washed Each Week

 Use a Clothes Washer .............................. 77.4 66.6 60.7 73.0 81.8 4.3

 1 Load or Less ......................................... 5.2 6.3 4.7 4.2 6.8 19.2

 2 to 9 Loads ............................................. 29.4 28.6 24.2 23.6 35.9 7.5

 10 to 15 Loads ......................................... 10.0 7.8 5.7 10.6 9.2 12.4

 More than 15 Loads ................................ 3.3 3.1 1.5 3.8 2.2 23.7

 No Washing Machine ................................ 22.6 33.4 39.3 27.0 18.2 11.5

Clothes Dryer Usage

 Use a Clothes Dryer .................................... 71.2 54.5 57.1 69.6 73.7 4.1

 Every Time Clothes are Washed ............... 56.3 40.0 47.4 61.6 64.6 6.1

 Some, but not All, Loads ........................... 12.8 11.3 8.3 7.1 7.2 15.5

 Used Infrequently ...................................... 2.1 3.1 1.4 Q 1.9 20.1

 No Dryer ...................................................... 28.8 45.5 42.9 30.4 26.3 7.9

Cooking

 Number of Hot Meals

 Cooked in the Home

 3 or More Times a Day .............................. 6.9 8.6 8.6 8.1 12.8 11.6

 2 Times a Day ........................................... 25.3 19.5 25.4 25.9 21.2 8.5

 Once a Day ............................................... 41.6 43.0 41.7 37.4 41.3 6.9

 A Few Times Each Week .......................... 20.1 20.3 19.3 20.4 18.7 10.5

 About Once a Week .................................. 3.0 4.2 1.5 5.2 2.8 20.8

 Less Than Once a Week ........................... 3.0 Q 3.3 2.9 3.2 28.5

 Conventional Oven Use

 More Than Once a Day ............................. 8.1 7.5 7.7 9.3 7.8 17.4

 Once a Day ............................................... 20.2 16.5 16.4 22.2 19.5 8.7

 Between Once a Day

 and Once a Week ...................................... 34.4 29.4 32.2 34.2 30.7 6.9

 Once a Week ............................................. 14.9 17.8 11.8 13.7 19.0 8.2

 Less Than Once a Week ........................... 21.2 28.0 29.5 19.6 21.5 8.4

 Amount of Food Cooked

 in Microwave Oven

 Use a Microwave Oven ............................. 83.0 75.9 82.1 79.7 84.0 2.1

 Most or All ............................................... 7.2 6.1 8.8 7.7 7.5 16.8

 About Half ................................................ 18.2 9.6 20.6 18.7 20.4 9.0

 Some or Very Little .................................. 21.9 20.3 20.9 16.0 20.5 12.6

 Only for Defrosting,

 Reheating, or Snacks ............................ 35.6 39.9 31.9 37.3 35.5 6.8

 No Microwave Oven .................................. 17.0 24.1 17.9 20.3 16.0 9.3

See footnotes at end of table.

Energy Information Administration/Housing Characteristics 1997

Table Layout at 3:57:02 PM on 11/11/99
Table HC6-7b. Usage Indicators by Four Most Populated States, 

 Percent of U.S. Households, 1997 (Continued)

Usage Indicators

RSE Column Factor:

Total

Four Most Populated States

RSE

Row

Factors

New York California Texas Florida

0.4 1.2 1.1 1.3 1.5

Lights

 Outdoor Lights on All Night

 Used .......................................................... 25.9 19.6 20.4 35.8 29.6 9.4

 Not Used .................................................. 74.1 80.4 79.6 64.2 70.4 3.3

Gas Fireplace Usage

During Winter Months

 Use a Gas Fireplace .................................... 2.7 1.6 Q Q Q 13.8

 Most Days ................................................. 1.1 Q Q Q Q 39.1

 Almost Once a Week ................................. 0.7 1.0 Q Q Q 40.4

 Less Than 4 Times a Month ...................... 0.8 Q Q Q Q 76.4

Personal Computer Usage ......................... 35.1 31.6 39.9 36.7 33.2 5.9

 Hours PC Turned

 On Each Week

 Less Than 2 Hours .................................... 8.1 6.6 6.8 6.6 5.2 17.3

 2 to 15 Hours ............................................. 17.1 15.5 19.9 18.8 17.4 10.8

 16 to 40 Hours ........................................... 6.6 7.2 9.1 6.3 6.0 14.3

 On All The Time ........................................ 3.3 2.3 4.1 5.0 4.6 17.5

 Use of PCs Turned on 16

 Hours a Week or More

 Personal Use Only .................................... 4.7 3.6 5.3 6.8 4.9 16.2

 Business Use Only .................................... 2.1 2.0 3.6 1.0 Q 27.8

 Both Personal and Business ..................... 3.1 3.9 4.2 3.4 5.7 24.8

 Business Use of PCs Turned

 on 16 Hours a Week or More

 Use to Telecommute ................................. 2.1 2.4 4.3 2.2 Q 22.9

 Other Business Use .................................. 3.1 3.6 3.5 Q 4.8 27.4

Battery Operated

Appliances/Tools

 Use Battery Operated

 Appliances/Tools ......................................... 43.7 38.9 43.7 46.0 42.1 5.1

 How Maintained When

 Not in Use

 Plugged in All The Time .......................... 12.3 9.2 8.1 12.5 13.7 11.9

 Recharged As Needed ............................ 26.6 26.7 26.0 26.5 26.2 7.1

 Both Ways are Used ............................... 4.8 2.9 9.6 7.1 2.3 17.4

 Don’t Use Any ............................................. 56.3 61.1 56.3 54.0 57.9 3.8

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. 

• Percentages are calculated on unrounded numbers. • See "Glossary" for definition of terms used in this report. • All temperatures listed are in degrees Fahrenheit.

Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 1997 Residential Energy Consumption Survey.

Energy Information Administration/Housing Characteristics 1997

Table Layout at 3:57:02 PM on 11/11/99