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.
John Calvin Coolidge Jr. was the 30th President of the United States. A Republican lawyer from Vermont, Coolidge worked his way up the ladder of Massachusetts state politics, eventually becoming governor of that state. His response to the Boston Police Strike of 1919 thrust him into the national spotlight and gave him a reputation as a man of decisive action. Soon after, he was elected as the 29th vice president in 1920 and succeeded to the presidency upon the sudden death of Warren G. Harding i