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2. Passive ventilation - Wikipedia

   en.wikipedia.org/wiki/Passive_ventilation

   The ventilation system of a regular earthship Dogtrot houses are designed to maximise natural 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.

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. Wind turbine - Wikipedia

   en.wikipedia.org/wiki/Wind_turbine

   A wind turbine is a device that ... When a turbine is mounted on a rooftop the building generally redirects wind over the roof and this can double the wind speed at ...

5. Ventilation (architecture) - Wikipedia

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

   Poor ventilation in rooms is identified to significantly increase the localized moldy smell in specific places of the room including room corners. [11] There are three types of natural ventilation occurring in buildings: wind-driven ventilation, pressure-driven flows, and stack ventilation. [15]

6. What to know about returning unwanted holiday gifts

   www.aol.com/know-returning-unwanted-holiday...

   Now that the holiday gifts have been unwrapped, it's time for the rush to make returns.. As Latonya Rascoe was getting the last wave of Christmas gifts ready to ship out of a Fedex office in ...

7. California mother, teen son found beaten to death in home as ...

   www.aol.com/california-mother-teen-son-found...

   The bodies of a California mother of three and her 19-year-old son were found dead by her daughter days before the family was set to celebrate Christmas.

8. A 'healthy labor market' helped lead to robust 2024 holiday ...

   www.aol.com/healthy-labor-market-helped-lead...

   Shoppers were looking for deals this holiday season and they found them. Mastercard released its preliminary “Spending Pulse” report Thursday, which excludes car purchases. Mastercard found ...

9. Savonius wind turbine - Wikipedia

   en.wikipedia.org/wiki/Savonius_wind_turbine

   Savonius wind turbines are a type of vertical-axis wind turbine (VAWT), used for converting the force of the wind into torque on a rotating shaft. The turbine consists of a number of aerofoils, usually—but not always—vertically mounted on a rotating shaft or framework, either ground stationed or tethered in airborne systems .