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  2. List of largest companies in Africa by revenue - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_companies...

    This list comprises the largest companies currently in Africa by revenue as of 2022, according to the ranking of the largest 500 companies in Africa by Jeune Afrique.. In 2022, the largest company in Africa was Sonatrach with revenue of US$77 billion.

  3. Lennox International - Wikipedia

    en.wikipedia.org/wiki/Lennox_International

    Lennox International Inc. is a provider of climate control products for the heating, ventilation, air conditioning, (in the complex colloquially called: HVAC) and refrigeration markets. The company is based outside Dallas, Texas in the United States and has operations globally.

  4. List of HVDC projects - Wikipedia

    en.wikipedia.org/wiki/List_of_HVDC_projects

    This is a list of notable high-voltage direct-current power transmission projects. HVDC projects for long-distance transmission have two (or rarely, more) converter stations and a transmission line interconnecting them. Generally overhead lines are used for interconnection, but an important class of HVDC projects use submarine power cables.

  5. Variable refrigerant flow - Wikipedia

    en.wikipedia.org/wiki/Variable_refrigerant_flow

    Variable refrigerant flow. Variable refrigerant flow ( VRF ), also known as variable refrigerant volume ( VRV ), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller ...

  6. Medupi Power Station - Wikipedia

    en.wikipedia.org/wiki/Medupi_Power_Station

    Medupi Power Station. /  23.70000°S 27.55000°E  / -23.70000; 27.55000. Medupi Power Station is a dry-cooled coal-fired power station built by Eskom near Lephalale in Limpopo province, South Africa. The station consists of 6 generating units with a nameplate capacity of 764 MW each bringing the total installed capacity of 4,584 MW.

  7. Carrier Global - Wikipedia

    en.wikipedia.org/wiki/Carrier_Global

    Carrier Global Corporation is an American multinational heating, ventilation, and air conditioning (HVAC), refrigeration, and fire and security equipment corporation based in Palm Beach Gardens, Florida. Carrier was founded in 1915 as an independent company manufacturing and distributing HVAC systems, and has since expanded to include ...

  8. Cahora Bassa (HVDC) - Wikipedia

    en.wikipedia.org/wiki/Cahora_Bassa_(HVDC)

    Total length. 1,420 km (880 mi) Power rating. 1920 MW. DC voltage. ±533 kV. No. of poles. 2. Cahora-Bassa (previously spelled Cabora Bassa) is a separate bipolar HVDC power transmission line between the Cahora Bassa Hydroelectric Generation Station at the Cahora Bassa Dam in Mozambique, and Johannesburg, South Africa.

  9. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC). Heat pumps are similar in many ways to air conditioners, but use a reversing valve to allow them both to heat and to cool an enclosed space.

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