11.9 - COMPUTER MONITOR
  Number of households by size of household
Two members Three members Four or more members Not stated
Households with a computer monitor
Yes 2,389,299 A 1,351,806 A 2,148,062 A 463,589 M
No 428,360 A 44,743 M U 120,432 M
Not stated 1,602,985 A 675,619 A 898,071 A 241,698 M
Number of computer monitors
One 1,962,159 A 1,008,071 A 1,593,661 A 340,412 M
Two 380,562 A 262,329 A 426,499 A U
Three or more 46,578 M 81,406 M 127,902 M U
Don't know U U U U
Not stated 1,575,033 A 664,662 A 887,754 A 241,363 M
Type of computer monitor most frequently used
Regular (CRT) 427,194 A 141,402 M 122,512 M U
LCD flat panel 1,633,835 A 881,968 A 1,378,245 A 306,021 M
Don't know 74,164 M U U U
Not stated 1,857,089 A 994,449 A 1,516,743 A 352,012 M
Age of the most frequently used computer monitor
5 years or less 1,749,403 A 1,028,893 A 1,611,705 A 364,358 M
6 to 10 years 524,118 A 281,930 A 496,345 A U
11 years or more 74,110 M U U U
Don't know U U U U
Not stated 1,615,012 A 676,928 A 900,538 A 247,283 M
Households with an ENERGY STAR® qualified computer monitor (most frequently used computer monitor)
Yes 1,062,806 A 699,612 A 969,282 A U
No 429,177 A 157,478 A 324,099 A U
Don't know 797,714 A 475,178 A 843,819 A U
Not stated 1,702,587 A 695,156 A 908,932 A 274,514 M
When the most frequently used computer is turned off, the computer monitor …
Remains on in stand-by mode (monitor turns on automatically with the computer) 790,795 A 473,467 A 795,223 A U
Is turned off (monitor must be manually turned on) 1,256,042 A 541,415 A 727,689 A 227,987 M
Don't know U U U U
Not stated 1,861,110 A 991,170 A 1,510,991 A 356,953 M

Note:

Due to rounding, the numbers may not add up and may differ slightly among tables.

Legend:

The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.

Source:

2011 Survey of Household Energy Use