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  2. Ton of refrigeration - Wikipedia

    en.wikipedia.org/wiki/Ton_of_refrigeration

    12,000.00 Btu IT /h 2,593.90 ft⋅lbf/s A ton of refrigeration ( TR or TOR ), also called a refrigeration ton ( RT ), is a unit of power used in some countries (especially in North America) to describe the heat-extraction capacity of refrigeration and air conditioning equipment.

  3. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    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 Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]

  4. Defy Appliances - Wikipedia

    en.wikipedia.org/wiki/Defy_Appliances

    Defy Appliances is a South African manufacturing company and is the largest manufacturer and distributor of major domestic appliances in Southern Africa. [1] The company manufactures and develops a range of large appliances from gas stoves, refrigerators, washing machines and tumble dryers to continuous clean ovens and convection ovens.

  5. Inverter compressor - Wikipedia

    en.wikipedia.org/wiki/Inverter_compressor

    This is a very common unit type. The rising cost of energy means that air conditioning manufacturers must develop a new generation of high-efficiency, cost-effective air conditioners for commercial buildings that meet or exceed a part-load efficiency standard of typically 18 IEER. The aim is to reduce energy use by 30% over current equipment.

  6. Ton - Wikipedia

    en.wikipedia.org/wiki/Ton

    Harbour ton, used in South Africa in the 20th century, was equivalent to (2,000 pounds (907 kg)) or 1 short ton. Assay ton (abbreviation 'AT') is not a unit of measurement but a standard quantity used in assaying ores of precious metals. A short assay ton is approximately 29.17 g (1.029 oz) and a long assay ton is approximately 32.67 g (1.152 oz).

  7. World energy supply and consumption - Wikipedia

    en.wikipedia.org/wiki/World_energy_supply_and...

    Africa (6.1%) International aviation and marine bunkers (4.2%) Total final consumption (TFC) is the worldwide consumption of energy by end-users (whereas primary energy consumption (Eurostat) [ 24 ] or total energy supply (IEA) is total energy demand and thus also includes what the energy sector uses itself and transformation and distribution ...