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  2. Direct vent fireplace - Wikipedia

    en.wikipedia.org/wiki/Direct_vent_fireplace

    Direct vent fireplaces are extremely efficient compared to a traditional fireplace and can operate at about 85% efficiency. Even a very efficient traditional fireplace only operates at about 15% efficiency. This is because most of the hot air generated by the fire travels up the chimney due to convection.

  3. The 13 Best Blow Dryer Brushes for Every Hair Type, Tested ...

    www.aol.com/13-best-blow-dryer-brushes-160000678...

    Amazon. In a one-off review of the Drybar Blow Dryer, Associate Editor Sydney Meister saw firsthand how quick it was to get a salon-worthy blowout. The 360-degree oval-shaped barrel mirrors a ...

  4. Chimney - Wikipedia

    en.wikipedia.org/wiki/Chimney

    An H-style cap is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method of regulating draft in situations where prevailing winds or turbulences cause downdraft and back-puffing. Although the H cap has a distinct advantage over most other downdraft caps, it fell out of favor because of its bulky design.

  5. Centrifugal fan - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_fan

    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). Tiny ones used in computers are sometimes called biscuit blowers. These fans move air from the rotating inlet of the ...

  6. Fireplace - Wikipedia

    en.wikipedia.org/wiki/Fireplace

    Insert—The fireplace insert is a device inserted into an existing masonry or prefabricated wood fireplace. [22] Jamb—The side of a fireplace opening. [21] Mantel—Either the shelf above a fireplace or the structure to support masonry above a fireplace [23] Smoke shelf—A shelf below the smoke chamber and behind the damper.

  7. Rumford fireplace - Wikipedia

    en.wikipedia.org/wiki/Rumford_fireplace

    The Rumford fireplace created a sensation in London when he introduced the idea of restricting the chimney opening to increase the updraft. [5] He and his workers changed fireplaces by inserting bricks into the hearth to make the side walls angled, and they added a choke to the chimney to create a circulation of air inside the chimney.