Five interesting facts about refrigerators

Clean yours on Wednesday

Nov. 15 (Wednesday this year) has been designated as “Clean out Your Refrigerator Day” in the United States. It was invented by Whirlpool Home Appliances as a promotional tool.

Popularity grows over years

By 1956, 80 percent of U.S. households had a refrigerator. By 2005, that number rose to 99.5 percent. Some 15 percent of American households have two refrigerators.

Fill it up

A refrigerator spends about 10 percent of the total electricity used in a common household. A refrigerator is more efficient if it has more items in it.

Millions sold annually

More than 8 million refrigerators are sold each year in the United States.

Find a bed

Pennsylvania has a law that says it is illegal to sleep outside on a refrigerator.