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  2. 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.

  3. Honeywell T87 - Wikipedia

    en.wikipedia.org/wiki/Honeywell_T87

    The Honeywell T87 Round Thermostat is a thermostat that Honeywell International, Inc. first manufactured in 1953. [1] Henry Dreyfuss designed the thermostat based on a concept by Honeywell engineer Carl Kronmiller .

  4. What should you set your heat to in the winter? Avoid ... - AOL

    www.aol.com/finance/set-heat-winter-avoid...

    Consider investing in a "smart" thermostat. Because many can connect to smartphones via mobile apps, smart thermostats allow homeowners to program their thermostats while they're away or even set ...

  5. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    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.

  6. List of Honeywell products and services - Wikipedia

    en.wikipedia.org/wiki/List_of_Honeywell_products...

    Honeywell offers a number of products and services across its four business groups: Aerospace, Home and Building Technologies (HBT), Safety and Productivity Solutions (SPS), and Performance Materials and Technologies (PMT). This is a partial list of products manufactured and services offered by Honeywell.

  7. Bang–bang control - Wikipedia

    en.wikipedia.org/wiki/Bang–bang_control

    Most common residential thermostats are bang–bang controllers. The Heaviside step function in its discrete form is an example of a bang–bang control signal. Due to the discontinuous control signal, systems that include bang–bang controllers are variable structure systems , and bang–bang controllers are thus variable structure controllers.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Actuator - Wikipedia

    en.wikipedia.org/wiki/Actuator

    An actuator may be driven by heat through the expansion that most solid material exhibit when the temperature increases. This principle is commonly used, for example, to operate electric switches in thermostats. Typically, a (non-electronic) thermostat contains a strip with two layers of different metals, that will bend when heated.

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