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2. Variable refrigerant flow - Wikipedia

   en.wikipedia.org/wiki/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-based systems.

3. Inverter compressor - Wikipedia

   en.wikipedia.org/wiki/Inverter_compressor

   Variable refrigerant flow (VRF) VRF units are very popular cooling or reversible systems (heating and cooling). They combine the flexibility for building owners and occupants alike, with energy efficiency, high comfort, and ease of installation, without compromising on reliability. VRF systems already extensively use inverter technology. [3]

4. Variable air volume - Wikipedia

   en.wikipedia.org/wiki/Variable_air_volume

   Variable air volume (VAV) is a type of heating, ventilating, and/or air-conditioning system. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant or varying temperature.

5. Dedicated outdoor air system - Wikipedia

   en.wikipedia.org/wiki/Dedicated_outdoor_air_system

   DOAS air handling unit with heat recovery wheel and passive dehumidification. A dedicated outdoor air system (DOAS) is a type of heating, ventilation and air-conditioning system that consists of two parallel systems: a dedicated system for delivering outdoor air ventilation that handles both the latent and sensible loads of conditioning the ventilation air, and a parallel system to handle the ...

6. Mitsubishi Electric - Wikipedia

   en.wikipedia.org/wiki/Mitsubishi_Electric

   Air conditioning systems Room air conditioners (marketed as Mitsubishi Mr. Slim Room Air Conditioner and Mitsubishi Kirigamine) Package air conditioners (Marketed as Mitsubishi Mr. Slim Packaged Air Conditioner) Variable refrigerant flow (VRF) systems (marketed as Mitsubishi CITY MULTI) EcoCute (marketed as Ecodan or DIAHOT) Ventilators; Air ...

7. Midea Group - Wikipedia

   en.wikipedia.org/wiki/Midea_Group

   Midea's MDV-X VRF air conditioner. Midea's main business is producing home appliances and commercial air conditioners. It sells products domestically under its own name, while the majority of its export business is as an OEM and ODM for many well-known global brands.