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2. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The output of the infrared LED (like that of any infrared remote) is invisible to the human eye because its wavelength is beyond the range of visible light (940 nm). This system is commonly used on mini-split air conditioners because it is simple and portable. Some window and ducted central air conditioners uses it as well.

3. Willis Carrier - Wikipedia

   en.wikipedia.org/wiki/Willis_Carrier

   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.

4. Category : Heating, ventilation, and air conditioning companies

   en.wikipedia.org/wiki/Category:Heating...

   Samsung Electronics (4 C, 25 P) Pages in category "Heating, ventilation, and air conditioning companies" The following 102 pages are in this category, out of 102 total.

5. Samsung - Wikipedia

   en.wikipedia.org/wiki/Samsung

   Sharp Corporation is a Japanese company found in 1912. The company specializes in designing and manufacturing electronic products, such as phones, microwave ovens, and air conditioners. Samsung Engineering holds a 10% stake in Sungjin Geotec, an offshore oil drilling company that is a subsidiary of POSCO. [145]

6. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

7. All of the best Black Friday deals: Amazon, Walmart, Wayfair ...

   www.aol.com/lifestyle/all-of-the-best-black...

   Apple 2022 MacBook Air, $749 (was $1,000) at Amazon Apple iPad 10th Gen , $250 (was $350) at Amazon with on-page coupon Rakuten Kobo Libra Colour E-Reader , $200 (was $220) at Rakuten Kobo