Modern air conditioning emerged from advances in chemistry during the 19th century, and the first large-scale electrical air conditioning was invented and used in 1902 by US inventor Willis Carrier.
Moderne luftkonditionering dukkede frem pga. innovationer indenfor kemi i det 19. århundrede – og det første storskala elektriske luftkonditionering blev opfundet og anvendt i 1902 af Willis Haviland Carrier.