How many times can you spot the letter "h" in:
Energy efficiency in air conditioners (ACs) has caught public attention recently in light of a June 22 announcement by the Union Ministry of Power that it would issue an advisory to AC manufacturers to keep the default temperature of ACs at 24°C. According to a ministry press release, this measure, if adopted by all consumers, could result in savings of 20 billion units of electricity in a year.
Much before the latest announcement, India has been delivering on the energy efficiency front in ACs. With effective standards and labelling, India has reduced the energy consumption of room ACs by around 35 per cent since 2006, according to an issue brief called Improving Air Conditioners in India. The brief, prepared by The Energy and Resources Institute (TERI), Natural Resources Defense Council (NRDC), and the Institute for Governance & Sustainable Development (IGSD), throws some light on energy efficiency in room ACs, also called split or mini-split ACs, in India.
Energy demand in buildings in India is projected to double in the next 10 years and grow by over six times by 2047, under the business as usual (BAU) scenario. Space conditioning (or cooling) is projected to account for two-thirds of this demand. This will naturally increase the electricity demand, leading to higher fuel consumption in power plants and resultant increase in emissions and decrease in air quality.
This necessitates constant improvement and usage of more energy efficient ACs. Apart from reducing electricity consumption, carbon emissions and ozone pollution, they are also consumer friendly as they decrease household power bills and help consumers save money. To know more about energy efficiency in cooling in India, read the full issue brief Improving Air Conditioners in India, created as part of an on-going series called Cooling India with Less Warming, here.
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There are thirty-six "h"s.
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