08/16/2026
This is why I say Mitsubishi is the top of the line Premium equipment in minisplit. They came up with the ductless split idea of AC.
Mitsubishi Electric invented the ductless mini-split heat pump in 1959 to solve space and climate control challenges in post-war Japan. Homes there were compact, lacked central ducted heating, and needed efficient cooling that did not require massive, noisy window units.Innovation and GrowthThe 1959 Invention: Mitsubishi split the traditional air conditioner into two parts—separating the noisy compressor outside from the quiet fan unit inside.The "Mr. Slim" Line: They refined this technology into compact residential units, popularizing the layout across Asia and Europe before bringing it to the United States in the late 1960s.
