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The first residential AC was installed by 1914, and by the 1950s there was "widespread adoption of residential AC". [ 13 ] The invention of the components of HVAC systems went hand-in-hand with the Industrial Revolution , and new methods of modernization, higher efficiency, and system control are constantly being introduced by companies and ...
Example EU energy label for a refrigerator. EU Directive 92/75/EC (1992) [1] established an energy consumption labelling scheme. The directive was implemented by several other directives [2] thus most white goods, light bulb packaging and cars must have an EU Energy Label clearly displayed when offered for sale or rent.
Residential central air systems are usually from 1 to 5 tons (3.5 to 18 kW) in capacity. [ citation needed ] The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of ...
1: Anis Matta: 1 October 2009 1 February 2013 3 years, 123 days P. B. Santoso Marzuki Alie: 16 Pramono Anung M. Mintohardjono (2009–2010) Taufik Kurniawan (2010–2013) 2: Sohibul Iman: 1 February 2013 1 October 2014 1 year, 242 days P. B. Santoso Pramono Anung Taufik Kurniawan: 3: Fahri Hamzah: 2 October 2014 1 October 2019 4 years, 364 days ...
The travel time between the two cities averages 45 minutes, down from 3 hours with the existing railway line. [13] Construction start at August 2018, with the cost of $7.3 billion to build, [17] [11] [18] [19] the line began trial operation with passengers on 7 September 2023 and commercial operations on 17 October 2023.
The MAX 1.2 AC, [3] —previously known as MSS 1.2 AC— is a Brazilian anti-tank guided missile (ATGM). [4] Operated by infantry or vehicles, the system consists of a reloadable launch tube, laser-guided missile and firing unit, as well as a simulator and testing equipment.
The MC-2 class was the first class of locomotives built and delivered to SP as cab forward locomotives in late 1909. [1] The AC-1 class was the first of the successful AC series of cab forward locomotives that numbered nearly 200 in total on the SP. Southern Pacific No. 4002 was rebuilt in June 1923 as a Cab Forward. Their rebuilds into class ...