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  2. Kidde - Wikipedia

    en.wikipedia.org/wiki/Kidde

    Kidde (/ ˈ k ɪ d ə / [2]) is an American multinational company that manufactures and distributes fire detection and suppression equipment, as well as smoke and CO alarm units. Kidde is one of America's largest manufacturers of smoke alarms [3] [4] and fire safety products. [5]

  3. Smoke detector - Wikipedia

    en.wikipedia.org/wiki/Smoke_detector

    Smoke detector mounted on a ceiling. A smoke detector is a device that senses smoke, typically as an indicator of fire.Smoke detectors/alarms are usually housed in plastic enclosures, typically shaped like a disk about 125 millimetres (5 in) in diameter and 25 millimetres (1 in) thick, but shape and size vary.

  4. UTC Climate, Controls & Security - Wikipedia

    en.wikipedia.org/wiki/UTC_Climate,_Controls...

    In 1881, Robert Edwards patented the first electric alarm bell. [8] In 1902, Willis Carrier developed and later patented the first modern air conditioner. [9] And in 1917, Walter Kidde founded the Walter Kidde Company, [10] which produced the first integrated smoke detection and carbon dioxide extinguishing system for use on board ships.

  5. First Alert's smoke and CO detector can save your life - AOL

    www.aol.com/lifestyle/first-alert-smoke-co...

    A reliable smoke detector that also detects carbon monoxide just might save your life. Fortunately, the First Alert smoke and carbon monoxide detector is on sale for $22, or $41 off its list price!

  6. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings.

  7. Optical beam smoke detector - Wikipedia

    en.wikipedia.org/wiki/Optical_beam_smoke_detector

    An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas, [1] typically as an indicator of fire. [2] They are used to detect fires in buildings where standard point smoke detectors would either be uneconomical [ 3 ] or restricted for use by the height of the building.