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cleanse the air; After several more years of refinement and field testing, on January 2, 1906, Carrier was granted U.S. patent 808,897 for an Apparatus for Treating Air, the world's first spray-type air conditioning equipment. It was designed to humidify or dehumidify air, heating water for the first function and cooling it for the second.
U.S. patent D159,209 was issued on July 4, 1950 – Design for air conditioning unit. U.S. patent 2,523,273 was issued on September 26, 1950 – Engine actuated ventilating system. U.S. patent 2,526,874 was issued on October 24, 1950 – Apparatus for heating or cooling atmosphere within an enclosure.
Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [ 2 ] [ 3 ] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC) . [ 4 ]
This Black & Decker portable air conditioner is best suited to small-room cooling, perhaps even supplementing a central-air system in a tall condominium or townhouse that has an uncomfortably warm ...
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Friedrich is now focused on manufacturing room air conditioners. [4] Their products include window, thru-the-wall, portable and ductless air conditioners, as well as dehumidifiers. [5] After nearly 40 years of continuous production, Friedrich replaced its long-running QuietMaster line with the professional-grade Kühl series in 2010.
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