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  2. Ridge vent - Wikipedia

    en.wikipedia.org/wiki/Ridge_vent

    A ridge vent is a type of vent installed at the peak of a sloped roof which allows warm, humid air to escape a building's attic. Ridge vents are most common on shingled residential buildings. Ridge vents are also used in industrial warehouses to help release the hot air and help circulate comfortable air inside the building .

  3. Attic fan - Wikipedia

    en.wikipedia.org/wiki/Attic_fan

    An attic fan installed underneath a roof. A powered attic ventilator, or attic fan, is a ventilation fan that regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Additional ...

  4. Passive ventilation - Wikipedia

    en.wikipedia.org/wiki/Passive_ventilation

    A roof turbine ventilator, colloquially known as a 'Whirly Bird' is an application of wind driven ventilation. Passive ventilation is the process of supplying air to and removing air from an indoor space without using mechanical systems.

  5. Whirlybird - Wikipedia

    en.wikipedia.org/wiki/Whirlybird

    Whirlybirds, a television program that aired in the United States from 1957 to 1960; Attic fan (slang and brand name) Samara (fruit) (slang), the fruit of a maple tree; Paper fortune teller, a form of origami; Power trowel (slang), light construction equipment "Whirlybird", a jazz tune written by Neal Hefti featured on the Count Basie album The ...

  6. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    A roof turbine ventilator, colloquially known as a 'Whirly Bird' is an application of wind driven ventilation. Passive ventilation is the process of supplying air to and removing air from an indoor space without using mechanical systems.

  7. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    Air admittance valves (AAVs, or commonly referred to in the UK as Durgo valves and in the US as Studor vents and Sure-Vent®) are negative-pressure-activated, one-way mechanical valves, used in a plumbing or drainage venting system to eliminate the need for conventional pipe venting and roof penetrations.

  8. Ventilation (architecture) - Wikipedia

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

    The furnace, built on the outside of the workshop, featured earthen pipe-like air vents with hundreds of tiny holes in them and a prototype chimney to ensure air goes into the furnace to feed the fire and smoke comes out safely. [39] Passive ventilation and passive cooling systems were widely written about around the Mediterranean by Classical ...

  9. Attic - Wikipedia

    en.wikipedia.org/wiki/Attic

    Also, a building with a complex roof or many piercings between the conditioned area and the attic might control condensation better or more cheaply with an insulated roof and a vapor barrier. [ 5 ] One common code requirement is that the total area of attic vents be equal to or greater than 1/150 of the floor area of the attic, with 50 percent ...