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  2. Smart thermostat - Wikipedia

    en.wikipedia.org/wiki/Smart_thermostat

    The energy modeling compares the smart thermostat to a constant set point temperature of 72 °F, but an online survey conducted by Nest showed that most users have a set point temperature that is 10% more efficient. [20]

  3. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

  4. Liebert Corporation - Wikipedia

    en.wikipedia.org/wiki/Liebert_Corporation

    Liebert Corporation was a global manufacturer of power, precision cooling and infrastructure management systems for mainframe computer, server racks, and critical process systems headquartered in Westerville, Ohio. Founded in 1965, the company employed more than 1,800 people across 12 manufacturing plants worldwide.

  5. Programmable thermostat - Wikipedia

    en.wikipedia.org/wiki/Programmable_thermostat

    Programming the morning temperature to be 21° C at 7:00 a.m., for instance, ensures that the temperature would then be 21 °C, whereas less sophisticated programmable thermostat would simply start working toward 21° at 7:00 a.m. Thus a PID controller sets the time at which the system should be activated in order to reach the desired ...

  6. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    The control system can compare the temperature of the outside air vs. return air, or it can compare the enthalpy of the air, as is frequently done in climates where humidity is more of an issue. In both cases, the outside air must be less energetic than the return air for the system to enter the economizer mode.

  7. Vertiv - Wikipedia

    en.wikipedia.org/wiki/Vertiv

    ENP expanded its telecom industry solutions with the 2004 acquisition of Marconi outside plant and power system. In 2006, ENP acquired Germany-based Knürr, a leading provider of enclosure systems. In 2007, the Energy Logic energy efficiency model was developed and initially released. [ 10 ]

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