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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]
Daikin Applied Americas (formerly McQuay International) is a corporation that designs, manufacturers and sells heating, ventilation, and air conditioning (HVAC) products, systems, parts and services for commercial buildings.
A Johnson Super-Sensitive Thermometer on an old air conditioning unit. In 1883, Warren S. Johnson, a professor at the Whitewater Normal School (now University of Wisconsin–Whitewater) in Whitewater, Wisconsin, received a patent for the first electric room thermostat. His invention helped launch the building control industry and was the ...
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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 ...
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