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  2. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

  3. List of Honeywell products and services - Wikipedia

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

    Honeywell AIDC products; Honeywell Integrated [93] Honeywell Voice Maintenance & Inspection [94] Howard Leight hearing protection [95] Electrical safety products [96] Head Protection [97] Industrial printers [98] Intermec Products; Lockout-Tagout [99] Oliver safety boots [100] Print media [101] Professional Footwear [102] RFID technology [103 ...

  4. Honeywell - Wikipedia

    en.wikipedia.org/wiki/Honeywell

    In 2007, Honeywell ranked 44th in a list of US corporations most responsible for air pollution, releasing more than 4.25 million kg (9.4 million pounds) of toxins per year into the air. [196] In 2001, Honeywell agreed to pay $150,000 in civil penalties and to perform $772,000 worth of reparations for environmental violations involving: [197]

  5. Honeywell Aerospace Technologies - Wikipedia

    en.wikipedia.org/wiki/Honeywell_Aerospace...

    Honeywell is a founding member of the European Sesar Joint Undertaking project to develop post-2020 air traffic technologies for Europe. Honeywell projects in the SESAR program include a four-dimensional (I4-D) trajectory planning system that incorporates time into 3-D route planning and coordinates flight plans to eliminate conflicts between ...

  6. Air filter - Wikipedia

    en.wikipedia.org/wiki/Air_filter

    Diagram of a HEPA (high-efficiency particulate air) filter Reusable washable HVAC air filter. A particulate air filter is a device composed of fibrous, or porous materials which removes particulates such as smoke, dust, pollen, mold, viruses and bacteria from the air.

  7. 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.