A modern central heating system wasn’t installed until Harry S. Truman’s term, but the AC comes first.
Navy engineers built America’s first air-conditioning system in a desperate attempt to save President James Garfield’s life. Garfield was actually on his way to escaping the heat and humidity of Washington when he was shot by an assassin in a train station on July 2, 1881. In her book “Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President,” Candice Millard describes a contraption comprising a fan pumping air through screens of cheesecloth bathed in ice water. The cooled air was then piped into Garfield’s room, bringing the temperature down to about 80 degrees. Garfield died anyway.
When electricity was installed in the White House in 1891, then-President Benjamin Harrison was so afraid of being shocked that he refused to touch the circular switches controlling the current in each room. Gas lighting was still used in conjunction with electric for some time.
The article, by Gillian Brockell, is interesting throughout.