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  2. Window fan - Wikipedia

    en.wikipedia.org/wiki/Window_fan

    A small twin window fan with thermostat A large single whole-house window fan with three-speed control and intake/exhaust switch The same fan, in operation. A window fan is a fan designed to be placed inside the frame of a window. Window fans have been used for many decades to maintain comfortable temperatures and ventilation within one's home ...

  3. Category:Ventilation fans - Wikipedia

    en.wikipedia.org/wiki/Category:Ventilation_fans

    Download QR code; Print/export Download as PDF; ... Vornado Air; W. Waddle fan; Whole-house fan; Window fan; Worshipful Company of Fan Makers

  4. These are the best Labor Day vacuum deals from Dyson ... - AOL

    www.aol.com/lifestyle/these-are-the-best-labor...

    This Shark Navigator vacuum holds an impressive 4.4-star rating after more than 105,000 reviews, and during Labor Day, it’s $40 off (only $160). ... Super Thin, Powerful Suction, Quiet, Self ...

  5. Ventilation (architecture) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(architecture)

    Air can be exhausted through pressurized hoods or the use of fans and pressurizing a specific area. [35] A local exhaust system is composed of five basic parts: A hood that captures the contaminant at its source; Ducts for transporting the air; An air-cleaning device that removes/minimizes the contaminant; A fan that moves the air through the ...

  6. Centrifugal fan - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_fan

    A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).

  7. Vacuum cleaner - Wikipedia

    en.wikipedia.org/wiki/Vacuum_cleaner

    Booth's horse-drawn combustion-engine-powered "Puffing Billy", [11] maybe derived from Thurman's blown-air design, [12] relied upon just suction with air pumped through a cloth filter and was offered as part of his cleaning services. Kenney's was a stationary 4,000 lb (1,800 kg) steam-engine-powered system with pipes and hoses reaching into all ...

  8. Fan (machine) - Wikipedia

    en.wikipedia.org/wiki/Fan_(machine)

    Window and central air conditioning in the 1960s caused many companies to discontinue production of fans, [12] but in the mid-1970s, with an increasing awareness of the cost of electricity and the amount of energy used to heat and cool homes, turn-of-the-century styled ceiling fans became popular again as both decorative and energy-efficient.

  9. Axial fan design - Wikipedia

    en.wikipedia.org/wiki/Axial_fan_design

    An axial fan is a type of fan that causes gas to flow through it in an axial direction, parallel to the shaft about which the blades rotate. The flow is axial at entry and exit. The fan is designed to produce a pressure difference, and hence force, to cause a flow through the fan. Factors which determine the performance of the fan include the ...

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