Energy and Buildings in the 20th Century; a project of the U.S. Department of Energy's Efficiency and Renewable Energy program.


The White House Built in 1792, the White House was the first residence in the U.S. with both central heating (1840) and central air conditioning (1930). In 1992, the "Greening of the White House" project updated and retrofitted the White House building and grounds to make them energy-efficient and environmentally sound.	The White House
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