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  2. Thermostat - Wikipedia

    Overview. A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.

  3. Programmable thermostat - Wikipedia

    Vaillant digital room thermostat. A programmable thermostat is a thermostat which is designed to adjust the temperature according to a series of programmed settings that take effect at different times of the day. Programmable thermostats are also known as setback thermostats or clock thermostats .

  4. Rheem Manufacturing Company - Wikipedia

    www .rheem .com. Rheem Manufacturing Company is an American privately held manufacturer that produces residential and commercial water heaters and boilers, as well as heating, ventilating and air conditioning (HVAC) equipment. The company also produces and sells products under the Ruud brand name.

  5. Smart thermostat - Wikipedia

    Smart thermostats are Wi-Fi thermostats that can be used with home automation and are responsible for controlling a home's heating, ventilation, and air conditioning. They perform similar functions as a Programmable thermostat as they allow the user to control the temperature of their home throughout the day using a schedule, but also contain ...

  6. Rheem - Wikipedia

    Print/export Download as PDF; Printable version; Rheem may refer to: Rheem Manufacturing Company; Rheem, California (disambiguation) ... Code of Conduct; Developers;

  7. Modbus - Wikipedia

    Modbus or MODBUS is a client/server data communications protocol in the application layer of the OSI model. [1] It was originally published by Modicon (now Schneider Electric) in 1979 for use with its programmable logic controllers (PLCs). [2] Modbus has become a de facto standard communication protocol for communication between industrial ...

  8. Furnace - Wikipedia

    Buildings. Furnace (central heating): a furnace, or a heater or boiler, used to generate heat for buildings. Boiler, used to heat water; also called a furnace in American English when used for heating and hot water in a building. Jetstream furnace or Tempest boiler, a design of wood-fired water heater.

  9. AOL Mail

    Absolutely! It's quick and easy to sign up for a free AOL account. With your AOL account you get features like AOL Mail, news, and weather for free!