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Voltas [8] is the largest air conditioning brand in India. It started manufacturing air conditioners in the 1960s under license from the Carrier Corporation. [9] Voltas produced India's first window air conditioner with DC-inverter-based variable-speed motors. [10]
Innovations in the latter half of the 20th century allowed more ubiquitous air conditioner use. In 1945, Robert Sherman of Lynn, Massachusetts, invented a portable, in-window air conditioner that cooled, heated, humidified, dehumidified, and filtered the air. [37] The first inverter air conditioners were released in 1980–1981. [38] [39]
The Indian Society of Heating, Refrigerating and Air Conditioning Engineers (ISHRAE) was established to promote the HVAC industry in India. ISHRAE is an associate of ASHRAE. ISHRAE was founded at New Delhi [57] in 1981 and a chapter was started in Bangalore in 1989. Between 1989 & 1993, ISHRAE chapters were formed in all major cities in India.
Blue Star was founded in 1943 by Mohan T Advani as a reconditioning company. [4] [5] Soon after inception, Blue Star ventured into the manufacturing of ice candy machines and bottle coolers and began the design, execution of central air conditioning projects, followed by the manufacturing of water coolers.
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Air Conditioned Express or AC Express is a series of superfast air conditioned trains of Indian Railways that links major cities of India. These trains have the second highest priority within the Indian Railway network, after the premium trains of Indian Railways. As of date, there are 25 such AC Express operating in Indian Railways.
Johnson Controls Hitachi AC Limited is a Japanese multinational air conditioning manufacturing company that manufactures home appliances and specialises in air conditioning and cooling technology. The company was incorporated on 1 October 2015 in Tokyo, as a Joint Venture between Johnson Controls and Hitachi Appliances .
Guntur–Kacheguda AC Double Decker Express: 287 km Cancelled 22183/22184: Habibganj–Indore Junction AC Double Decker Express: 259 km Discontinued due to low occupancy. 12385/12386: Howrah–Dhanbad Double Decker Express: 263 km This train was the first AC Double Decker train in India.