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The Unitary Products business group manufacture products in categories including air conditioners, air coolers, [7] commercial refrigerators, water coolers, and water dispensers. 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]
The units went on sale in 1932 at US$10,000 to $50,000 (the equivalent of $200,000 to $1,100,000 in 2023.) [20] A year later, the first air conditioning systems for cars were offered for sale. [34] Chrysler Motors introduced the first practical semi-portable air conditioning unit in 1935, [ 35 ] and Packard became the first automobile ...
Just as horsepower and candlepower were intuitive units of measure for people living through the transition from horse to steam power [3] and from flame-based to electric lighting, so was the ton of refrigeration an intuitive unit of measure during a technological change, as the ice trade gradually included growing percentages of artificial ice ...
Multiple inventions within this time frame preceded the beginnings of the first comfort air conditioning system, which was designed in 1902 by Alfred Wolff (Cooper, 2003) for the New York Stock Exchange, while Willis Carrier equipped the Sacketts-Wilhems Printing Company with the process AC unit the same year.
Freight transport by waterways is highly under utilised in India with the total cargo moved (in tonne kilometres) by inland waterways being 0.1 percent of the total inland traffic in India. [4] In total, about 21 percent of households have two wheelers whereas 4.70 percent of households in India have cars or vans as per the 2011 census of India .
The sale price of power generated by solar photovoltaics fell to ₹ 2.00 (2.3¢ US) per kWh in November 2020 which is lower than any other type of power generation in India. [ 179 ] [ 180 ] In 2023, the levelised tariff in US$ for solar electricity fell to 1.62 cents/kWh, far below the solar PV sale tariff in India.
On 8 December 2009, India and Russia were reported to have ended the stalemate over Admiral Gorshkov price deal by agreeing on a price of US$2.2 billion. Moscow asked for US$2.9 billion for the aircraft carrier, nearly three times that was originally agreed between the two sides in 2004.
Early 50 Hz AC railway electrification in the United Kingdom was planned to use sections at 6.25 kV AC where there was limited clearance under bridges and in tunnels. Rolling stock was dual-voltage with automatic switching between 25 kV and 6.25 kV.