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  2. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    The power through the thermostat is provided by the heating device and may range from millivolts to 240 volts in common North American construction, and is used to control the heating system either directly (electric baseboard heaters and some electric furnaces) or indirectly (all gas, oil and forced hot water systems).

  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]

  4. 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.

  5. List of Honeywell products and services - Wikipedia

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

    Fire Protection Gas Suppression System [41] Fire Sprinkler Monitoring [42] Gas leak detectors [43] Globe Valve & Actuator [44] Honeywell Excel Series [45] Honeywell's Smart Home Security Starter Kit [46] Honeywell Guest Room Control [47] Honeywell Public Address and Voice Alarm (PAVA) products [48] Honeywell Pulse for Connected Buildings [49 ...

  6. W. R. Sweatt - Wikipedia

    en.wikipedia.org/wiki/W._R._Sweatt

    For 35 years, W.R. Sweatt and his company developed and sold his damper-flapper for hand fired coal furnaces. But by the twenties, oil and gas became viable options as technology made their use more practical. In 1927, Minneapolis Heat Regulator and Honeywell merged.

  7. OpenTherm - Wikipedia

    en.wikipedia.org/wiki/OpenTherm

    An application example is a room temperature controller connected to a heat recovery unit, which is connected to a boiler. The heat recovery unit is then functioning as gateway. In another possible configuration, a thermostat or room controller is connected to a sequencer with further Opentherm interfaces connected to more than one boiler.