Roof Space Ventilation Fans

Designed for attic spaces up to 2 088 square feet master flow s unit can remove a large volume of hot air at a rate of 1 500 cfm.

Roof space ventilation fans.

Roof mounted attic fans require a vent hold near the top of the roof where the fan can sit over the vent on a plastic or metal base. Ventilation helps maintain a healthy attic space both for your roof and for your family. Outside air enters the attic space through soffit or eave vents rises through the attic space as it warms and exits through vents that are positioned at or near the top. See the benefits of attic ventilation a new roof is more than just shingles.

Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh. For this method to be most effective approximately equal amounts of ventilation should be placed at the soffits or eave level and at or near the top of the attic space. In the winter this fan reduces the risk of ice damming. Each fan comes with a built in humidistat and thermostat.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. We like master flow s model for its easy installation and efficiency. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.

Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. If the attic is equipped with high and low ventilation openings the requirement is 1. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.

This is the least expensive high quality fan feature for feature available. Attics must have a minimum of 1 square foot of ventilation openings for every 150 square feet of floor space.