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  2. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioner farm in the facade of a building in Singapore. Space cooling including air conditioning accounted globally for 2021 terawatt-hours of energy usage in 2016 with around 99% in the form of electricity, according to a 2018 report on air-conditioning efficiency by the International Energy Agency. [8]

  3. District cooling - Wikipedia

    en.wikipedia.org/wiki/District_cooling

    The district cooling plant is operated by SP Group's subsidiary, Singapore District Cooling. [17] A second district cooling plant was commissioned in May 2010, [17] which will supply chilled water for the air-conditioning of buildings in the area through pipes housed within the Common Services Tunnel in Marina Bay. The second district cooling ...

  4. Chilled water - Wikipedia

    en.wikipedia.org/wiki/Chilled_water

    The use of utility supplied chilled water is most cost effective when it is designed into the building's infrastructure or when chiller/cooling tower equipment must be replaced. Commercial customers often lower their air conditioning costs from 10 to 20% by purchasing chilled water. [3]

  5. Seasonal energy efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/Seasonal_energy_efficiency...

    Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:

  6. Marina Bay, Singapore - Wikipedia

    en.wikipedia.org/wiki/Marina_Bay,_Singapore

    A second district cooling plant was commissioned in May 2010, [16] which will supply chilled water for the air-conditioning of buildings in the area through pipes housed within the Common Services Tunnel, according to the report. Built at a cost of some S$110 million (about US$69 million), the second district cooling plant will be able to serve ...

  7. Lee Kuan Yew - Wikipedia

    en.wikipedia.org/wiki/Lee_Kuan_Yew

    The unemployment rate in Singapore dropped from 13.5% in 1959 to 1.7% in 1990. External trade increased from $7.3 billion in 1959 to $205 billion in 1990. In other areas, the life expectancy at birth for Singaporeans rose from 65 years in 1960 to 74 years in 1990. The population of Singapore increased from 1.6 million in 1959 to 3 million in 1990.

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