What are the different types of attic fan?
attic fans usually fall into one three categories, including driven fans, branches and gravitational fans. The powered attic fan moves through the air to and out of the attic using a fan, which is usually powered by electric current. The wind with the assisted wind uses air portals in flow and the outer flow placed for the use of the predominant wind direction for the house. The gravitational attic fan uses the tendency of colder air to fall and warmer air to climb the air from the attic. This is achieved by replacing hot air in the attic for colder outdoor air. Properly ventilated attic usually leads to a cooler living space in the house.
both wind -assisted fans and gravitational attic are considered to be forms of natural ventilation. The Gravity Attic fan usually has two components, including the air airplanes under the roof gutters that allow external air to flow. The highest roof ridge is locateddrain outflow. The more warm air in the attic rises and escapes through the ventilation outlet in the ridge, allowing the flow of radiators outdoors in the air in the air cold inlet. Some gravitational ventilation systems have inputs that operate along the entire length of the roofing and outlets that operate the entire length of the roof ridge line.
wind assistance fan uses geographical areas where the wind tends to come from the same general direction. The wind blows on the roof creates a positive pressure on this side. The same wind creates a negative pressure as it passes through the roof and far from home. Positive pressure attracts outside the air into the attic through the inputs into the eaves. Negative pressure causes the air in the attic to flow through the outlet ventilation openings on the other side.
POWER ATTIC Ventilator Systems are usually limited to those used by a powered fan to attach outside the air to the atticand moves the warmer air outside. Some powered attic fans include a triangular tributary ventilation in the tag on top of the roof. In the opposite label, the exhaust fan creates air flow. Powered attic fans also use the input and output configuration similar to the gravitational ventilation system. The electric fan near the roof ridge attracts air into the attic from the EAVE inputs and evaches warmer air from the inside of the attic.