The most efficient space heater is one that's sized appropriately for the space it's being asked to heat. The heat output of space heaters varies widely, typically between 10,000 and 40,000 British thermal units (BTUs) per hour, and higher heat output comes at the cost of higher energy usage.
Warren Gamaliel Harding (November 2, 1865 â August 2, 1923) was the 29th President of the United States, serving from March 4, 1921 until his death.ost of the scandals that have marred the reputation of Harding's administration did not emerge until after his death. The Veterans' Bureau scandal was known to Harding in January 1923, but according to Trani and Wilson, the president's handling of it did him little credit.
Warren G. Harding (born November 2, 1865 near Blooming Grove, Ohio) was elected in 1920 and succeeded Woodrow Wilson as the 29th President of the United States, serving between March 4, 1921 and August 2, 1923, including the whole of 1922.ames Earl (Jimmy) Carter Jr. was the President of the United States in 1980. Jimmy Carter (born October 1, 1924) served as the thirty-ninth President of the United States, s â¦ erving between January 20, 1977 and January 20, 1981, including the whole of 1980.