Table HC6.9 Home Appliances Characteristics by Number of Household Members, 2005

Total U.S.............................................................. 111.1 30.0 34.8 18.4 15.9 12.0

Cooking Appliances

Conventional Ovens

Use an Oven.................................................. 109.6 29.5 34.4 18.2 15.7 11.8

1................................................................. 103.3 28.4 32.0 17.3 14.7 11.0

2 or More.................................................... 6.2 1.1 2.5 1.0 0.9 0.8

Do Not Use an Oven...................................... 1.5 0.6 0.4 Q Q Q

Most-Used Oven Fuel

Electric....................................................... 67.9 18.2 22.5 11.2 9.5 6.5

Natural Gas................................................ 36.4 9.9 10.0 6.1 5.6 4.7

Propane/LPG............................................. 5.2 1.3 1.9 0.9 0.6 0.5

Self-Cleaning Oven

Use a Self-Cleaning Oven.......................... 62.9 13.2 22.5 10.8 9.6 6.7

Continuous............................................. 9.3 2.1 3.3 1.6 1.2 1.0

Manual Start........................................... 53.6 11.1 19.3 9.2 8.3 5.7

Do Not Use a Self-Cleaning Oven.............. 46.7 16.2 11.9 7.4 6.1 5.1

Cooking Ranges

Use a Cooking Range.................................... 109.8 29.6 34.5 18.3 15.6 11.8

1................................................................. 105.5 28.7 33.0 17.6 15.0 11.2

2 or More.................................................... 4.3 0.9 1.5 0.6 0.7 0.6

Do Not Use a Cooking Range........................ 1.2 0.5 0.3 Q 0.2 Q

Most-Used Cooking Range Fuel

Electric....................................................... 65.2 18.0 21.5 10.7 9.0 6.0

Natural Gas................................................ 39.0 10.2 10.9 6.6 6.0 5.3

Propane/LPG............................................. 5.6 1.3 2.1 1.0 0.7 0.5

Built-in/Stove-top Grills

Use a Built-in/Stove-top Grill.......................... 4.9 0.8 1.8 0.9 0.6 0.7

Do Not Use a Built-in/Stove-top Grill.............. 106.2 29.2 33.0 17.5 15.3 11.3

Built-in/Stove-top Grill Fuel

Electric....................................................... 2.5 0.4 1.0 0.4 0.3 0.4

Natural Gas................................................ 2.2 0.4 0.7 0.6 0.3 0.3

Propane/LPG............................................. Q Q Q N N N

Refrigerators

Use a Refrigerator............................................. 111.0 30.0 34.8 18.4 15.8 12.0

1.................................................................... 86.3 26.9 25.7 13.3 11.8 8.7

2 or More....................................................... 24.6 3.1 9.2 5.1 4.0 3.3

Do Not Use a Refrigerator................................. Q Q N Q Q N

Most-Used Refrigerator

Defrost Method

Frost-Free.................................................. 102.8 27.1 33.1 17.0 14.8 10.8

Manual....................................................... 8.0 2.8 1.7 1.3 1.0 1.1

Type of Most-Used Refrigerator

2-Doors (top and bottom)........................... 64.6 20.2 18.9 10.6 8.5 6.3

2-Doors (side-by-side)................................ 33.0 4.7 11.5 6.1 6.2 4.5

Full-Size (single door)................................. 12.1 4.6 3.9 1.5 1.0 1.0

Half-Size/Other........................................... 1.0 0.4 0.4 Q Q Q

 Million U.S. Housing Units

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Home Appliances Characteristics Members

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC6.9 Home Appliances Characteristics by Number of Household Members, 2005

 Million U.S. Housing Units

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Home Appliances Characteristics Members

Age of Most-Used Refrigerator

Less than 2 Years...................................... 19.0 4.6 5.5 3.5 2.7 2.7

2 to 4 Years................................................ 22.7 4.2 7.6 3.8 4.1 3.0

5 to 9 Years................................................ 30.9 7.5 10.0 4.9 5.2 3.2

10 to 19 Years............................................ 25.7 8.3 8.4 4.2 2.8 2.0

20 Years or More........................................ 6.1 3.0 1.8 0.8 0.2 0.2

Don't Know................................................. 6.7 2.4 1.4 1.2 0.9 0.9

Size of Most-Used Refrigerator

Very Small (Less than 11 cf)...................... 0.7 0.4 Q Q Q Q

Small (11-14 cf).......................................... 5.4 2.4 1.4 0.9 0.4 0.3

Medium (15-18 cf)...................................... 53.8 17.6 16.7 8.2 6.5 4.8

Large (19-22 cf).......................................... 42.7 8.4 13.9 7.8 7.6 5.0

Very Large (More than 22 cf)...................... 8.5 1.2 2.7 1.4 1.3 1.8

Through-the-Door Ice and Water Service

Yes............................................................. 29.8 4.4 10.4 5.4 5.8 3.9

No.............................................................. 81.1 25.6 24.4 13.0 10.1 8.1

Second Refrigerator

Use a Second Refrigerator............................. 24.6 3.1 9.2 5.1 4.0 3.3

Do Not Use a Second Refrigerator................. 86.3 26.9 25.7 13.3 11.8 8.7

Type of Second Refrigerator

2-Doors (top and bottom)........................... 7.5 1.2 2.6 1.6 1.3 0.8

2-Doors (side-by-side)................................ 8.6 0.8 3.1 1.7 1.6 1.4

Full-Size (single door)................................. 2.8 0.4 1.2 0.4 0.5 0.3

Half-Size/Other........................................... 5.1 0.6 2.1 1.2 0.6 0.6

Age of Second Refrigerator

Less than 2 Years...................................... 2.3 Q 0.8 0.7 0.4 0.3

2 to 4 Years................................................ 3.8 Q 1.5 0.7 0.6 0.8

5 to 9 Years................................................ 5.3 0.7 1.7 1.2 0.9 0.7

10 to 19 Years............................................ 8.6 1.0 3.4 1.6 1.4 1.1

20 Years or More........................................ 4.1 0.9 1.7 0.8 0.5 0.2

Don't Know................................................. 0.5 QQQQ Q

Size of Second Refrigerator

Very Small (Less than 11 cf)...................... 3.4 0.4 1.4 1.0 0.3 0.4

Small (11-14 cf).......................................... 3.6 0.6 1.2 0.7 0.6 0.4

Medium (15-18 cf)...................................... 10.5 1.3 4.2 2.3 1.5 1.3

Large (19-22 cf).......................................... 6.2 0.7 2.0 1.0 1.4 1.1

Very Large (More than 22 cf)...................... 1.0 Q 0.4 Q Q Q

Separate Freezers

Do Not Use a Separate Freezer......................... 76.0 23.9 22.1 11.8 10.2 8.0

Use a Separate Freezer.................................... 35.1 6.2 12.7 6.6 5.6 3.9

1.................................................................... 32.2 5.7 11.5 6.2 5.3 3.5

2 or More....................................................... 2.9 0.4 1.3 0.4 0.3 0.4

Most-Used Freezer Defrost Method

Frost-Free...................................................... 14.3 2.4 4.8 2.6 2.7 1.9

Manual........................................................... 20.8 3.8 8.0 4.0 3.0 2.1

Type of Most-Used Freezer

Upright........................................................... 17.0 3.2 7.0 3.1 2.4 1.3

Chest............................................................. 18.1 2.9 5.7 3.6 3.2 2.7

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC6.9 Home Appliances Characteristics by Number of Household Members, 2005

 Million U.S. Housing Units

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Home Appliances Characteristics Members

Age of Most-Used Freezer

Less than 2 Years.......................................... 3.5 0.5 1.0 0.8 0.6 0.6

2 to 4 Years................................................... 6.0 0.7 1.9 1.0 1.4 1.0

5 to 9 Years................................................... 7.8 1.1 2.7 1.6 1.4 1.0

10 to 19 Years............................................... 9.3 1.6 3.4 2.1 1.5 0.8

20 Years or More........................................... 7.6 2.0 3.6 1.1 0.6 0.3

Don't Know..................................................... 0.7 Q Q Q Q 0.2

Size of Most-Used Freezer

Very Small (Less than 11 cf).......................... 3.1 0.8 0.9 0.6 0.5 0.3

Small (11-14 cf)............................................. 8.9 1.4 3.4 1.5 1.4 1.1

Medium (15-18 cf).......................................... 12.7 2.1 4.3 2.6 2.2 1.4

Large (19-22 cf)............................................. 8.0 1.4 3.3 1.4 1.0 0.9

Very Large (More than 22 cf)......................... 2.5 0.5 0.8 0.4 0.6 0.2

Other Kitchen Appliances

Dishwasher

Yes................................................................ 64.7 13.1 23.3 11.0 10.6 6.7

No.................................................................. 46.4 16.9 11.5 7.4 5.3 5.3

Age of Dishwasher

Less than 2 Years...................................... 11.5 1.8 4.1 2.0 1.9 1.7

2 to 4 Years................................................ 14.6 2.3 5.4 2.6 2.8 1.5

5 to 9 Years................................................ 19.2 3.7 7.3 3.4 3.0 1.7

10 to 19 Years............................................ 12.8 3.1 4.4 1.9 2.1 1.2

20 Years or More........................................ 3.3 1.2 1.1 0.4 0.4 0.3

Don't Know................................................. 3.3 1.1 0.9 0.6 0.4 0.3

Electric Coffee Maker

Yes................................................................ 67.2 16.0 24.0 10.7 9.8 6.6

No.................................................................. 43.9 14.0 10.8 7.7 6.0 5.4

Electric Toaster Oven

Yes................................................................ 37.3 9.4 12.4 6.1 5.2 4.1

No.................................................................. 73.8 20.7 22.4 12.3 10.6 7.9

Microwave Oven

Yes................................................................ 97.7 25.4 31.4 16.6 14.1 10.2

No.................................................................. 13.4 4.6 3.4 1.8 1.8 1.7

Clothes Washers and Dryers

Clothes Washer

Do Not Use a Clothes Washer....................... 19.3 8.7 4.7 2.5 1.9 1.4

Use a Clothes Washer................................... 91.8 21.3 30.1 15.9 14.0 10.6

Top Loading............................................... 84.1 20.3 27.4 14.4 12.6 9.5

Front Loading............................................. 7.7 1.0 2.7 1.5 1.3 1.1

Age of Clothes Washer

Less than 2 Years................................... 15.7 2.2 5.1 3.0 2.9 2.5

2 to 4 Years............................................ 21.1 3.6 6.6 4.5 3.6 2.8

5 to 9 Years............................................ 28.9 6.5 10.0 4.8 4.7 3.0

10 to 19 Years........................................ 19.9 6.5 6.9 2.7 2.1 1.7

20 Years or More.................................... 4.1 1.9 1.1 0.5 0.4 Q

Don't Know............................................. 2.2 0.6 0.4 0.6 0.3 0.3

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC6.9 Home Appliances Characteristics by Number of Household Members, 2005

 Million U.S. Housing Units

Number of Households With --

Housing 

Units 

(millions)

1

 Member

2

 Members

3

 Members

4

 Members

5 or More 

Home Appliances Characteristics Members

Clothes Dryer

Do Not Use a Clothes Dryer........................... 23.6 10.1 5.7 3.2 2.5 2.1

Use a Clothes Dryer....................................... 87.5 19.9 29.2 15.1 13.4 9.9

Electric....................................................... 67.2 15.5 22.5 11.8 10.2 7.3

Natural Gas................................................ 19.4 4.3 6.1 3.2 3.1 2.6

Propane/LPG............................................. 0.9 Q 0.5 Q Q Q

Age of Clothes Dryer

Less than 2 Years...................................... 14.0 1.9 4.4 2.4 2.8 2.4

2 to 4 Years................................................ 18.7 3.5 5.8 4.0 3.3 2.2

5 to 9 Years................................................ 27.9 6.1 9.6 5.2 4.0 2.9

10 to 19 Years............................................ 19.5 5.6 7.1 2.6 2.4 1.7

20 Years or More........................................ 5.1 2.3 1.7 0.5 0.4 0.2

Don't Know................................................. 2.3 0.5 0.5 0.5 0.4 0.4

Other Appliances

Use Ceiling Fans............................................... 77.2 18.4 25.6 12.9 11.7 8.6

1.................................................................... 21.7 6.7 6.2 3.4 3.2 2.1

2.................................................................... 17.4 4.7 5.4 2.9 2.3 2.0

3.................................................................... 12.3 2.8 4.5 1.9 1.7 1.3

4 or More....................................................... 25.8 4.1 9.3 4.7 4.5 3.2

Auto Block/Engine/Battery Heater..................... 0.8 Q 0.4 Q Q Q

Electric Dehumidifier.......................................... 13.3 2.2 5.1 2.5 2.0 1.4

Electric Humidifier............................................. 14.2 2.5 4.8 2.9 2.4 1.6

Evaporative/Swamp Cooler............................... 3.4 0.9 0.8 0.6 0.5 0.5

Filter Systems in Swimming Pools..................... 8.3 0.6 2.6 1.7 1.7 1.6

Heated Aquarium............................................... 4.2 0.7 1.0 0.7 0.9 0.9

Outdoor Gas Light............................................. 1.3 0.4 0.4 Q Q Q

Rechargeable Tools/Appliances........................ 54.9 9.9 20.4 9.8 9.0 5.8

Well Water Pumps............................................ 14.1 2.7 5.8 2.6 1.7 1.3

 Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were 

sampled.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables