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2. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   The main components of a split-system (called split as there are both inside and outside coils) air source heat pump are: An outdoor evaporator heat exchanger coil, which extracts heat from ambient air; One or more [9] indoor condenser heat exchanger coils. They transfer the heat into the indoor air, or an indoor heating system such as water ...

3. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The first mini-split system was sold in 1961 by Toshiba in Japan, and the first wall-mounted mini-split air conditioner was sold in 1968 in Japan by Mitsubishi Electric, where small home sizes motivated their development. The Mitsubishi model was the first air conditioner with a cross-flow fan.

4. 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.

5. Seasonal energy efficiency ratio - Wikipedia

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

   For example, there is little cost benefit in having a very high SEER air conditioning unit in Maine, a state in the northeast US. Starting January 1, 2015, split-system central air conditioners installed in the Southeastern Region of the United States of America must be at least 14 SEER. The Southeastern Region includes Alabama, Arkansas ...

6. List of Fujitsu products - Wikipedia

   en.wikipedia.org/wiki/List_of_Fujitsu_products

   Fujitsu, a multinational computer hardware and IT services company, provides services and consulting as well as a range of products including computing products, software, telecommunications, microelectronics, and more. Fujitsu also offers customized IT products that go beyond the off-the shelf products listed below.

7. Fujitsu - Wikipedia

   en.wikipedia.org/wiki/Fujitsu

   Fujitsu was established on June 20, 1935, which makes it one of the oldest operating IT companies after IBM and before Hewlett-Packard, [3] under the name Fuji Telecommunications Equipment Manufacturing (富士電気通信機器製造, Fuji Denki Tsūshin Kiki Seizō), as a spin-off of the Fuji Electric Company, itself a joint venture between the Furukawa Electric Company and the German ...