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  2. 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 ...

  3. Programmable thermostat - Wikipedia

    en.wikipedia.org/wiki/Programmable_thermostat

    Honeywell electronic thermostat in a store. Heating and cooling losses from a building (or any other container) become greater as the difference in temperature increases. A programmable thermostat allows reduction of these losses by allowing the temperature difference to be reduced at times when the reduced amount of heating or cooling would not be objectionable.

  4. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    A central heating system provides warmth to a number of spaces within a building from one main source of heat. It is a component of heating, ventilation, and air conditioning (short: HVAC) systems, which can both cool and warm interior spaces. A central heating system has a furnace that converts fuel or electricity to heat.

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  6. The Secret Life of Machines - Wikipedia

    en.wikipedia.org/wiki/The_Secret_Life_of_Machines

    The final "Secret Life" programme broadcast, this episode covered not just physical technologies, but also the evolution of social engineering involved in the running of an office. Epilogue: An office goes haywire just after a holiday party, blowing paper everywhere, shaking binders and everything generally moving with a will of its own.

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    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  8. 2024 Heisman Trophy: Why Travis Hunter, Ashton Jeanty ... - AOL

    www.aol.com/sports/2024-heisman-trophy-why...

    There's a great chance a quarterback will not lift the trophy for just the fifth time in the 2000s. 2024 Heisman Trophy: Why Travis Hunter, Ashton Jeanty, Dillon Gabriel and Cam Ward are finalists ...

  9. Heating, ventilation, and air conditioning - Wikipedia

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

    This allows a more granular application of heat, similar to non-central heating systems. Zones are controlled by multiple thermostats. In water heating systems the thermostats control zone valves, and in forced air systems they control zone dampers inside the vents which selectively block the flow of air. In this case, the control system is ...