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The invention of modern air conditioning by Willis Haviland Carrier in 1902, including the design and installation of the first practical system and the development of the psychrometric theory.
is not the product of a single inventor but an evolving set of techniques and actors: ancient passive strategies, 19th‑century public‑health advocates and engineers who formalized ventilation, early 2...
is credited with inventing —designing and installing the first practical system in 1902 to control temperature and humidity, later winning patents and publishing the psychrometric theory that underpin...