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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 .
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.
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]
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.
The Honeywell TPE331 (military designation: T76) is a turboprop engine. It was designed in the 1950s by Garrett AiResearch , and produced since 1999 by successor Honeywell Aerospace . The engine's power output ranges from 575 to 1,650 shaft horsepower (429 to 1,230 kW).
[73] [74] The problems are characterized by a blank, staticky, or grayscale video output with a proper functioning audio output and no flashing red lights on the console. The complete video failure is sometimes preceded by other graphical glitches such as an irregular saturation of green and/or red colors. [citation needed]