Million U.S. Housing Units

Total U.S............................................................. 111.1 14.7 7.4 12.5 12.5 18.9 18.6 17.3 9.2

Cooking Appliances

Conventional Ovens

Use an Oven................................................. 109.6 14.4 7.2 12.4 12.4 18.6 18.3 17.2 9.1

1................................................................ 103.3 13.5 6.8 11.8 11.5 17.7 17.5 16.1 8.4

2 or More................................................... 6.2 1.0 0.4 0.6 0.8 0.9 0.8 1.1 0.7

Do Not Use an Oven..................................... 1.5 0.3 Q Q Q 0.3 0.3 Q Q

Most-Used Oven Fuel

Electric...................................................... 67.9 6.5 2.9 6.7 7.3 12.8 12.8 12.5 6.4

Natural Gas............................................... 36.4 7.0 4.0 5.3 4.4 5.1 4.8 3.6 2.1

Propane/LPG............................................ 5.2 0.9 0.3 0.4 0.6 0.8 0.7 1.0 0.5

Self-Cleaning Oven

Use a Self-Cleaning Oven......................... 62.9 6.9 3.6 6.9 6.1 10.5 10.8 11.2 6.8

Continuous............................................ 9.3 1.2 0.9 0.9 0.8 1.4 1.1 1.6 1.2

Manual Start.......................................... 53.6 5.6 2.7 6.0 5.3 9.1 9.7 9.6 5.6

Do Not Use a Self-Cleaning Oven............. 46.7 7.5 3.6 5.5 6.2 8.1 7.4 6.0 2.3

Cooking Ranges

Use a Cooking Range................................... 109.8 14.4 7.3 12.4 12.3 18.7 18.3 17.2 9.1

1................................................................ 105.5 13.6 7.0 12.1 11.6 17.9 17.9 16.6 8.8

2 or More................................................... 4.3 0.8 0.4 0.4 0.8 0.8 0.3 0.6 Q

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

Most-Used Cooking Range Fuel

Electric...................................................... 65.2 6.3 2.8 6.5 7.1 12.5 12.6 11.5 5.9

Natural Gas............................................... 39.0 7.2 4.2 5.5 4.7 5.2 5.0 4.6 2.6

Propane/LPG............................................ 5.6 0.9 0.4 0.4 0.5 0.9 0.7 1.1 0.6

Built-in/Stove-top Grills

Use a Built-in/Stove-top Grill......................... 4.9 0.6 0.5 0.8 0.3 0.7 0.9 0.8 0.3

Do Not Use a Built-in/Stove-top Grill............. 106.2 14.1 6.9 11.7 12.2 18.2 17.7 16.6 8.9

Built-in/Stove-top Grill Fuel

Electric...................................................... 2.5 Q Q 0.3 Q 0.5 0.5 0.6 Q

Natural Gas............................................... 2.2 Q 0.3 0.5 Q Q 0.3 Q Q

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

Refrigerators

Use a Refrigerator............................................ 111.0 14.7 7.4 12.5 12.5 18.9 18.6 17.3 9.2

1................................................................... 86.3 12.2 6.0 9.7 9.4 14.8 14.8 12.5 6.9

2 or More...................................................... 24.6 2.5 1.3 2.8 3.0 4.0 3.8 4.9 2.4

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

Most-Used Refrigerator

Defrost Method

Frost-Free................................................. 102.8 13.2 6.8 11.5 11.2 17.7 17.3 16.4 8.8

Manual...................................................... 8.0 1.4 0.6 1.1 1.2 1.2 1.2 0.9 0.4

Type of Most-Used Refrigerator

2-Doors (top and bottom).......................... 64.6 9.5 4.6 7.8 7.6 11.4 11.2 8.7 3.8

2-Doors (side-by-side)............................... 33.0 2.8 1.7 2.8 3.1 5.3 5.9 7.1 4.3

Full-Size (single door)............................... 12.1 2.0 0.8 1.9 1.6 2.1 1.5 1.3 0.9

Half-Size/Other.......................................... 1.0 0.2 QQQQQQQ

1970 to 

1979

1980 to 

1989

1990 to 

1999

Table HC5.9 Home Appliances Characteristics by Year of Construction, 2005

2000 to 

Home Appliances Characteristics 2005

Year of Construction

Housing 

Units 

(millions)

Before 

1940

1940 to 

1949

1950 to 

1959

1960 to 

1969

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

1970 to 

1979

1980 to 

1989

1990 to 

1999

Table HC5.9 Home Appliances Characteristics by Year of Construction, 2005

2000 to 

Home Appliances Characteristics 2005

Year of Construction

Housing 

Units 

(millions)

Before 

1940

1940 to 

1949

1950 to 

1959

1960 to 

1969

Age of Most-Used Refrigerator

Less than 2 Years..................................... 19.0 2.2 1.1 2.1 1.4 2.8 3.1 2.4 3.8

2 to 4 Years............................................... 22.7 2.7 1.6 2.3 2.6 4.1 3.2 2.6 3.6

5 to 9 Years............................................... 30.9 4.4 2.2 3.2 3.6 4.8 4.8 6.8 1.0

10 to 19 Years........................................... 25.7 3.4 1.9 3.5 3.0 3.9 5.1 4.4 0.4

20 Years or More....................................... 6.1 1.1 0.4 0.7 1.1 1.6 1.2 Q N

Don't Know................................................ 6.7 0.9 0.3 0.7 0.7 1.6 1.1 1.1 0.3

Size of Most-Used Refrigerator

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

Small (11-14 cf)......................................... 5.4 1.0 0.3 0.8 0.5 0.8 0.8 0.8 0.4

Medium (15-18 cf)..................................... 53.8 7.8 4.1 6.3 6.9 9.4 8.7 7.2 3.4

Large (19-22 cf)......................................... 42.7 4.9 2.4 4.7 4.3 7.4 7.6 7.3 4.2

Very Large (More than 22 cf)..................... 8.5 0.7 0.5 0.7 0.7 1.2 1.4 2.0 1.2

Through-the-Door Ice and Water Service

Yes............................................................ 29.8 2.4 1.5 2.3 2.7 4.4 5.4 6.9 4.3

No............................................................. 81.1 12.3 5.9 10.2 9.8 14.5 13.1 10.4 4.9

Second Refrigerator

Use a Second Refrigerator............................ 24.6 2.5 1.3 2.8 3.0 4.0 3.8 4.9 2.4

Do Not Use a Second Refrigerator................ 86.3 12.2 6.0 9.7 9.4 14.8 14.8 12.5 6.9

Type of Second Refrigerator

2-Doors (top and bottom).......................... 7.5 0.9 0.5 1.1 1.1 1.2 1.1 1.1 0.5

2-Doors (side-by-side)............................... 8.6 0.7 0.4 0.5 1.0 1.5 1.5 2.1 1.0

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

Half-Size/Other.......................................... 5.1 0.5 Q 0.6 0.7 0.8 0.7 0.9 0.7

Age of Second Refrigerator

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

2 to 4 Years............................................... 3.8 0.5 Q 0.3 0.4 0.6 0.6 0.5 0.7

5 to 9 Years............................................... 5.3 0.6 0.3 0.6 0.6 0.7 0.6 1.6 0.3

10 to 19 Years........................................... 8.6 0.7 0.5 1.1 1.0 1.2 1.6 1.9 0.5

20 Years or More....................................... 4.1 0.6 0.2 0.6 0.7 0.9 0.4 0.4 Q

Don't Know................................................ 0.5 Q N QQQQQQ

Size of Second Refrigerator

Very Small (Less than 11 cf)..................... 3.4 0.4 Q 0.5 0.4 0.4 0.5 0.5 0.4

Small (11-14 cf)......................................... 3.6 0.5 Q 0.4 0.4 0.7 0.4 0.5 0.4

Medium (15-18 cf)..................................... 10.5 1.0 0.7 1.3 1.3 1.6 1.8 2.1 0.7

Large (19-22 cf)......................................... 6.2 0.6 Q 0.5 0.8 1.2 0.9 1.5 0.6

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

Separate Freezers

Do Not Use a Separate Freezer....................... 76.0 10.2 5.2 8.5 8.5 12.6 13.1 11.2 6.8

Use a Separate Freezer................................... 35.1 4.5 2.2 4.0 3.9 6.3 5.5 6.1 2.5

1................................................................... 32.2 3.9 2.1 3.8 3.5 5.8 5.2 5.7 2.2

2 or More...................................................... 2.9 0.6 Q 0.3 0.4 0.5 0.4 0.4 Q

Most-Used Freezer Defrost Method

Frost-Free..................................................... 14.3 1.8 0.9 1.8 1.6 2.7 2.1 2.5 0.9

Manual.......................................................... 20.8 2.7 1.3 2.2 2.3 3.6 3.4 3.7 1.5

Type of Most-Used Freezer

Upright.......................................................... 17.0 2.1 1.1 2.0 2.0 3.2 2.8 2.6 1.0

Chest............................................................ 18.1 2.4 1.1 2.0 1.9 3.1 2.7 3.5 1.4

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

1970 to 

1979

1980 to 

1989

1990 to 

1999

Table HC5.9 Home Appliances Characteristics by Year of Construction, 2005

2000 to 

Home Appliances Characteristics 2005

Year of Construction

Housing 

Units 

(millions)

Before 

1940

1940 to 

1949

1950 to 

1959

1960 to 

1969

Age of Most-Used Freezer

Less than 2 Years......................................... 3.5 0.3 Q 0.4 0.3 0.4 0.6 0.5 0.9

2 to 4 Years.................................................. 6.0 0.6 0.4 0.7 0.7 1.1 0.7 1.3 0.5

5 to 9 Years.................................................. 7.8 0.9 0.6 0.8 0.7 1.5 1.2 1.8 0.3

10 to 19 Years.............................................. 9.3 1.3 0.5 1.0 1.0 1.5 1.8 1.7 0.5

20 Years or More.......................................... 7.6 1.2 0.6 1.1 1.1 1.7 1.1 0.7 Q

Don't Know................................................... 0.7 QQQQQQQQ

Size of Most-Used Freezer

Very Small (Less than 11 cf)......................... 3.1 0.3 Q 0.4 Q 0.8 0.3 0.5 0.4

Small (11-14 cf)............................................ 8.9 1.3 0.5 1.1 0.9 1.5 1.5 1.6 0.6

Medium (15-18 cf)......................................... 12.7 1.6 0.8 1.3 1.6 2.1 2.1 2.4 0.8

Large (19-22 cf)............................................ 8.0 1.1 0.5 0.9 1.0 1.5 1.4 1.2 0.4

Very Large (More than 22 cf)........................ 2.5 Q Q 0.4 0.2 0.5 0.3 0.5 Q

Other Kitchen Appliances

Dishwasher

Yes............................................................... 64.7 5.6 2.8 5.1 6.0 11.3 12.6 13.5 7.8

No................................................................. 46.4 9.1 4.6 7.4 6.4 7.5 6.0 3.8 1.4

Age of Dishwasher

Less than 2 Years..................................... 11.5 1.1 0.5 1.0 1.0 1.4 1.7 1.8 3.0

2 to 4 Years............................................... 14.6 1.1 0.7 0.8 1.0 3.0 2.4 1.8 3.8

5 to 9 Years............................................... 19.2 1.7 0.8 1.7 1.8 3.5 3.1 5.9 0.7

10 to 19 Years........................................... 12.8 1.1 0.6 1.1 1.2 1.9 3.4 3.4 Q

20 Years or More....................................... 3.3 0.3 Q 0.5 0.5 0.8 1.1 N Q

Don't Know................................................ 3.3 0.3 Q Q 0.4 0.7 0.9 0.5 Q

Electric Coffee Maker

Yes............................................................... 67.2 8.1 3.9 7.6 7.1 11.6 11.2 11.4 6.3

No................................................................. 43.9 6.6 3.5 4.9 5.4 7.3 7.4 6.0 3.0

Electric Toaster Oven

Yes............................................................... 37.3 4.7 2.8 4.5 4.0 6.0 6.4 5.4 3.4

No................................................................. 73.8 10.0 4.6 8.0 8.4 12.9 12.1 11.9 5.8

Microwave Oven

Yes............................................................... 97.7 12.4 6.5 11.0 10.7 17.1 16.0 15.7 8.1

No................................................................. 13.4 2.2 0.9 1.5 1.8 1.7 2.5 1.6 1.1

Clothes Washers and Dryers

Clothes Washer

Do Not Use a Clothes Washer...................... 19.3 3.6 1.4 1.8 2.6 4.4 3.0 1.7 0.8

Use a Clothes Washer.................................. 91.8 11.1 6.0 10.7 9.9 14.5 15.6 15.6 8.4

Top Loading.............................................. 84.1 10.1 5.7 10.1 9.2 13.6 14.3 14.0 7.1

Front Loading............................................ 7.7 1.0 0.3 0.7 0.7 0.9 1.2 1.6 1.3

Age of Clothes Washer

Less than 2 Years.................................. 15.7 1.9 0.7 1.6 1.6 2.3 2.5 2.5 2.6

2 to 4 Years........................................... 21.1 2.0 1.4 2.3 2.1 3.2 4.0 3.3 2.9

5 to 9 Years........................................... 28.9 3.4 2.0 3.5 3.3 5.3 4.2 5.6 1.7

10 to 19 Years....................................... 19.9 2.9 1.5 2.4 2.3 2.7 3.6 3.4 0.9

20 Years or More................................... 4.1 0.8 0.4 0.7 0.4 0.6 0.7 0.3 Q

Don't Know............................................ 2.2 0.1 Q 0.3 Q 0.4 0.5 0.4 Q

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
 Million U.S. Housing Units

1970 to 

1979

1980 to 

1989

1990 to 

1999

Table HC5.9 Home Appliances Characteristics by Year of Construction, 2005

2000 to 

Home Appliances Characteristics 2005

Year of Construction

Housing 

Units 

(millions)

Before 

1940

1940 to 

1949

1950 to 

1959

1960 to 

1969

Clothes Dryer

Do Not Use a Clothes Dryer.......................... 23.6 4.5 2.0 2.7 3.1 4.7 3.5 2.1 1.0

Use a Clothes Dryer...................................... 87.5 10.2 5.4 9.9 9.3 14.2 15.0 15.3 8.2

Electric...................................................... 67.2 7.4 3.3 6.9 6.8 11.3 12.4 12.8 6.4

Natural Gas............................................... 19.4 2.8 2.1 2.9 2.5 2.7 2.4 2.4 1.6

Propane/LPG............................................ 0.9 QQQQQQQQ

Age of Clothes Dryer

Less than 2 Years..................................... 14.0 1.5 0.9 1.0 1.5 2.1 2.4 2.4 2.3

2 to 4 Years............................................... 18.7 1.8 0.8 1.9 1.9 3.0 3.4 2.9 2.9

5 to 9 Years............................................... 27.9 3.2 1.7 3.8 2.8 4.9 4.3 5.4 1.8

10 to 19 Years........................................... 19.5 2.6 1.5 2.3 2.2 2.8 3.6 3.6 0.9

20 Years or More....................................... 5.1 0.9 0.4 0.6 0.7 1.0 0.8 0.4 Q

Don't Know................................................ 2.3 0.2 Q Q 0.3 0.4 0.5 0.5 Q

Other Appliances

Use Ceiling Fans.............................................. 77.2 9.5 4.6 8.7 7.8 12.7 12.7 13.9 7.3

1................................................................... 21.7 3.4 1.0 2.6 2.0 4.1 3.8 3.3 1.4

2................................................................... 17.4 2.1 0.9 1.8 1.9 3.0 2.8 3.0 1.9

3................................................................... 12.3 1.5 1.1 1.5 1.5 1.8 1.8 2.0 1.1

4 or More...................................................... 25.8 2.6 1.5 2.8 2.5 3.7 4.3 5.6 2.8

Auto Block/Engine/Battery Heater.................... 0.8 QQQQQQQQ

Electric Dehumidifier......................................... 13.3 2.1 1.2 2.1 1.8 1.7 1.9 1.7 0.9

Electric Humidifier............................................ 14.2 1.9 1.0 1.6 1.2 2.1 2.2 2.8 1.5

Evaporative/Swamp Cooler.............................. 3.4 0.3 Q 0.4 0.3 1.0 0.9 0.3 Q

Filter Systems in Swimming Pools.................... 8.3 0.5 0.2 0.8 1.2 1.9 1.5 1.4 0.7

Heated Aquarium.............................................. 4.2 0.4 0.3 0.6 0.5 0.6 0.7 0.7 0.3

Outdoor Gas Light............................................ 1.3 QQQQQQQQ

Rechargeable Tools/Appliances....................... 54.9 6.0 3.4 6.1 6.2 8.8 8.7 10.2 5.4

Well Water Pumps........................................... 14.1 1.9 0.6 1.1 1.1 2.5 2.3 3.4 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