Daikin Industries, Ltd. (ダイキン工業株式会社, Daikin Kōgyō Kabushiki-gaisha) is a Japanese multinational air conditioning manufacturing company headquartered in Osaka. It has operations in Japan, China, Australia, the United States, India, Southeast Asia, Europe, the Middle East, Latin America, and Africa.
Daikin is the inventor of variable refrigerant flow (VRF) air conditioners. Having failed to trademark "VRF", Daikin later remarketed the systems as "VRV" (variable refrigerant volume). Daikin is an innovator in the split system air conditioning market, having made the first split and multi-split air conditioners. Daikin co-developed the R-410A refrigerant with Carrier.

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