Table HC2.9 Home Appliances Characteristics by Type of Housing Unit, 2005

 Million U.S. Housing Units

Total U.S............................................................ 111.1 72.1 7.6 7.8 16.7 6.9

Cooking Appliances

Conventional Ovens

Use an Oven............................................... 109.6 71.3 7.4 7.7 16.4 6.8

1.............................................................. 103.3 66.2 7.2 7.4 15.9 6.7

2 or More................................................. 6.2 5.1 Q 0.3 0.5 Q

Do Not Use an Oven................................... 1.5 0.7 Q Q 0.4 Q

Most-Used Oven Fuel

Electric..................................................... 67.9 45.5 4.4 3.7 10.7 3.7

Natural Gas.............................................. 36.4 22.0 3.0 3.9 5.6 1.8

Propane/LPG........................................... 5.2 3.8 Q Q Q 1.3

Self-Cleaning Oven

Use a Self-Cleaning Oven........................ 62.9 49.2 3.9 2.6 5.1 2.1

Continuous........................................... 9.3 7.2 0.8 0.3 0.9 Q

Manual Start......................................... 53.6 42.0 3.1 2.3 4.2 1.9

Do Not Use a Self-Cleaning Oven............ 46.7 22.1 3.5 5.1 11.3 4.7

Cooking Ranges

Use a Cooking Range.................................. 109.8 71.5 7.4 7.7 16.4 6.7

1.............................................................. 105.5 68.3 7.2 7.4 16.0 6.7

2 or More................................................. 4.3 3.2 Q 0.3 0.5 Q

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

Most-Used Cooking Range Fuel

Electric..................................................... 65.2 42.9 4.3 3.8 10.6 3.6

Natural Gas.............................................. 39.0 24.4 3.1 3.9 5.7 1.8

Propane/LPG........................................... 5.6 4.2 Q Q Q 1.3

Built-in/Stove-top Grills

Use a Built-in/Stove-top Grill........................ 4.9 3.5 0.3 Q 0.6 Q

Do Not Use a Built-in/Stove-top Grill............ 106.2 68.5 7.3 7.5 16.1 6.8

Built-in/Stove-top Grill Fuel

Electric..................................................... 2.5 2.2 Q N Q Q

Natural Gas.............................................. 2.2 1.2 Q Q 0.5 Q

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

Refrigerators

Use a Refrigerator........................................... 111.0 71.9 7.6 7.8 16.7 6.9

1.................................................................. 86.3 50.4 6.1 7.2 16.3 6.4

2 or More..................................................... 24.6 21.6 1.5 0.6 0.4 0.5

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

Most-Used Refrigerator

Defrost Method

Frost-Free................................................ 102.8 68.7 6.6 6.8 14.7 6.1

Manual..................................................... 8.0 3.2 1.0 1.0 2.1 0.7

Type of Most-Used Refrigerator

2-Doors (top and bottom)......................... 64.6 35.8 5.1 5.9 12.8 5.0

2-Doors (side-by-side).............................. 33.0 29.0 1.4 0.6 1.0 1.1

Full-Size (single door).............................. 12.1 6.6 0.9 1.2 2.7 0.8

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

Type of Housing Unit

Home Appliances Characteristics Detached Attached 2 to 4 Units Mobile 

Homes

Housing 

Units 

(millions)

Single-Family Units Apartments in Buildings 

With--

5 or More 

Units

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC2.9 Home Appliances Characteristics by Type of Housing Unit, 2005

 Million U.S. Housing Units

Type of Housing Unit

Home Appliances Characteristics Detached Attached 2 to 4 Units Mobile 

Homes

Housing 

Units 

(millions)

Single-Family Units Apartments in Buildings 

With--

5 or More 

Units

Age of Most-Used Refrigerator

Less than 2 Years.................................... 19.0 12.5 1.3 1.7 2.6 0.9

2 to 4 Years............................................. 22.7 15.3 1.4 1.5 3.3 1.2

5 to 9 Years............................................. 30.9 20.6 1.9 1.9 4.4 2.1

10 to 19 Years......................................... 25.7 18.1 1.8 1.4 2.7 1.8

20 Years or More..................................... 6.1 3.9 0.6 Q 1.1 0.3

Don't Know.............................................. 6.7 1.8 0.6 1.0 2.7 0.6

Size of Most-Used Refrigerator

Very Small (Less than 11 cf).................... 0.7 0.3 Q Q Q Q

Small (11-14 cf)....................................... 5.4 2.1 0.4 0.6 1.9 0.3

Medium (15-18 cf).................................... 53.8 29.4 4.4 4.8 11.0 4.1

Large (19-22 cf)....................................... 42.7 32.3 2.3 2.2 3.5 2.4

Very Large (More than 22 cf)................... 8.5 7.8 0.3 Q Q Q

Through-the-Door Ice and Water Service

Yes.......................................................... 29.8 26.3 1.1 0.5 0.9 1.0

No............................................................ 81.1 45.6 6.5 7.2 15.9 5.9

Second Refrigerator

Use a Second Refrigerator.......................... 24.6 21.6 1.5 0.6 0.4 0.5

Do Not Use a Second Refrigerator.............. 86.3 50.4 6.1 7.2 16.3 6.4

Type of Second Refrigerator

2-Doors (top and bottom)......................... 7.5 6.6 0.5 Q Q Q

2-Doors (side-by-side).............................. 8.6 8.0 0.4 Q N Q

Full-Size (single door).............................. 2.8 2.4 Q Q Q Q

Half-Size/Other........................................ 5.1 3.7 0.6 Q 0.4 Q

Age of Second Refrigerator

Less than 2 Years.................................... 2.3 1.8 Q Q Q Q

2 to 4 Years............................................. 3.8 3.0 0.4 Q Q Q

5 to 9 Years............................................. 5.3 4.6 0.3 Q Q Q

10 to 19 Years......................................... 8.6 7.9 0.5 Q Q Q

20 Years or More..................................... 4.1 3.9 Q N Q Q

Don't Know.............................................. 0.5 0.4 Q Q Q Q

Size of Second Refrigerator

Very Small (Less than 11 cf).................... 3.4 2.5 0.4 Q Q Q

Small (11-14 cf)....................................... 3.6 2.8 0.3 Q Q Q

Medium (15-18 cf).................................... 10.5 9.4 0.6 Q Q 0.3

Large (19-22 cf)....................................... 6.2 5.9 Q Q Q Q

Very Large (More than 22 cf)................... 1.0 1.0 N N N N

Separate Freezers

Do Not Use a Separate Freezer...................... 76.0 42.6 5.7 7.0 16.0 4.7

Use a Separate Freezer.................................. 35.1 29.5 1.9 0.7 0.7 2.3

1.................................................................. 32.2 26.8 1.9 0.7 0.7 2.2

2 or More..................................................... 2.9 2.7 Q Q N Q

Most-Used Freezer Defrost Method

Frost-Free.................................................... 14.3 11.9 0.7 Q 0.3 1.2

Manual........................................................ 20.8 17.6 1.2 0.5 0.5 1.1

Type of Most-Used Freezer

Upright......................................................... 17.0 14.5 1.1 Q 0.3 0.9

Chest........................................................... 18.1 15.0 0.8 0.6 0.4 1.4

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC2.9 Home Appliances Characteristics by Type of Housing Unit, 2005

 Million U.S. Housing Units

Type of Housing Unit

Home Appliances Characteristics Detached Attached 2 to 4 Units Mobile 

Homes

Housing 

Units 

(millions)

Single-Family Units Apartments in Buildings 

With--

5 or More 

Units

Age of Most-Used Freezer

Less than 2 Years....................................... 3.5 2.8 0.2 Q Q Q

2 to 4 Years................................................. 6.0 4.8 0.3 Q Q 0.6

5 to 9 Years................................................. 7.8 6.5 0.5 Q 0.2 0.4

10 to 19 Years............................................. 9.3 7.9 0.6 Q Q 0.7

20 Years or More......................................... 7.6 6.9 0.2 Q Q 0.3

Don't Know.................................................. 0.7 0.6 Q Q N Q

Size of Most-Used Freezer

Very Small (Less than 11 cf)........................ 3.1 2.3 Q Q Q 0.3

Small (11-14 cf)........................................... 8.9 7.1 0.5 0.2 0.2 0.8

Medium (15-18 cf)....................................... 12.7 10.6 0.7 0.4 0.3 0.7

Large (19-22 cf)........................................... 8.0 7.2 0.3 Q Q 0.3

Very Large (More than 22 cf)....................... 2.5 2.2 Q N N Q

Other Kitchen Appliances

Dishwasher

Yes.............................................................. 64.7 48.0 4.2 2.4 7.4 2.7

No............................................................... 46.4 24.1 3.4 5.3 9.3 4.3

Age of Dishwasher

Less than 2 Years.................................... 11.5 9.1 0.9 0.2 0.8 0.4

2 to 4 Years............................................. 14.6 11.1 0.8 0.5 1.5 0.6

5 to 9 Years............................................. 19.2 14.4 1.0 0.8 2.1 0.9

10 to 19 Years......................................... 12.8 9.7 0.9 0.4 1.2 0.6

20 Years or More..................................... 3.3 2.3 Q Q 0.6 Q

Don't Know.............................................. 3.3 1.4 0.3 0.4 1.2 Q

Electric Coffee Maker

Yes.............................................................. 67.2 48.4 4.2 3.4 7.1 4.0

No............................................................... 43.9 23.7 3.4 4.3 9.6 2.9

Electric Toaster Oven

Yes.............................................................. 37.3 25.0 2.3 2.6 5.5 2.0

No............................................................... 73.8 47.1 5.3 5.2 11.3 5.0

Microwave Oven

Yes.............................................................. 97.7 65.3 6.6 6.3 13.3 6.2

No............................................................... 13.4 6.8 1.0 1.5 3.5 0.7

Clothes Washers and Dryers

Clothes Washer

Do Not Use a Clothes Washer..................... 19.3 2.8 0.9 3.5 11.1 1.0

Use a Clothes Washer................................. 91.8 69.3 6.7 4.2 5.6 6.0

Top Loading............................................. 84.1 62.8 6.3 3.9 5.3 5.8

Front Loading........................................... 7.7 6.4 0.4 0.3 0.3 Q

Age of Clothes Washer

Less than 2 Years................................ 15.7 11.4 1.3 0.8 1.1 1.0

2 to 4 Years.......................................... 21.1 15.2 1.8 1.1 1.5 1.4

5 to 9 Years.......................................... 28.9 22.9 1.7 0.9 1.6 1.8

10 to 19 Years...................................... 19.9 15.9 1.1 0.9 0.9 1.2

20 Years or More.................................. 4.1 3.0 0.3 0.2 0.3 0.2

Don't Know........................................... 2.2 0.8 0.4 0.3 0.3 0.4

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC2.9 Home Appliances Characteristics by Type of Housing Unit, 2005

 Million U.S. Housing Units

Type of Housing Unit

Home Appliances Characteristics Detached Attached 2 to 4 Units Mobile 

Homes

Housing 

Units 

(millions)

Single-Family Units Apartments in Buildings 

With--

5 or More 

Units

Clothes Dryer

Do Not Use a Clothes Dryer........................ 23.6 4.8 1.4 3.9 12.0 1.4

Use a Clothes Dryer.................................... 87.5 67.3 6.2 3.8 4.8 5.5

Electric..................................................... 67.2 50.8 4.5 3.1 3.9 4.9

Natural Gas.............................................. 19.4 15.6 1.7 0.7 0.9 0.5

Propane/LPG........................................... 0.9 0.8 N N N Q

Age of Clothes Dryer

Less than 2 Years.................................... 14.0 10.1 1.2 0.8 1.0 0.9

2 to 4 Years............................................. 18.7 13.8 1.5 0.9 1.2 1.2

5 to 9 Years............................................. 27.9 22.3 1.5 0.9 1.5 1.8

10 to 19 Years......................................... 19.5 15.8 1.1 0.8 0.7 1.0

20 Years or More..................................... 5.1 4.2 0.5 Q Q 0.2

Don't Know.............................................. 2.3 1.1 0.3 0.3 0.3 0.4

Other Appliances

Use Ceiling Fans............................................. 77.2 57.3 4.3 3.7 7.1 4.8

1.................................................................. 21.7 11.5 2.0 1.9 4.3 2.0

2.................................................................. 17.4 12.3 1.0 0.9 1.8 1.4

3.................................................................. 12.3 9.7 0.5 0.6 0.7 0.8

4 or More..................................................... 25.8 23.8 0.7 0.5 Q 0.6

Auto Block/Engine/Battery Heater................... 0.8 0.7 Q Q N Q

Electric Dehumidifier....................................... 13.3 11.7 0.8 0.5 0.3 Q

Electric Humidifier........................................... 14.2 10.9 1.1 0.5 1.3 0.5

Evaporative/Swamp Cooler............................. 3.4 2.0 0.2 Q Q 0.9

Filter Systems in Swimming Pools.................. 8.3 8.2 Q N N N

Heated Aquarium............................................ 4.2 3.2 Q Q 0.4 Q

Outdoor Gas Light........................................... 1.3 1.2 Q N N N

Rechargeable Tools/Appliances...................... 54.9 42.7 3.0 2.0 3.9 3.3

Well Water Pumps.......................................... 14.1 12.2 Q Q N 1.6

 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