Vent these fans through the roof or soffit.
Problems of wind washing in the attic from eave vents.
See the guide attic eave minimum insulation.
Accuvent offers a quick and inexpensive solution for architects builders and renovators to ensure proper insulation performance for better energy efficiency and indoor air quality.
Roof turbines have blades that spin in the wind pulling air up through the intake vents into the attic and out of the house.
See the guide cantilevered floor.
Rectangular roof vents work best when the wind blows over the top of them rather than into them.
The dual function design creates ventilation channels under the roof sheathing for healthy air circulation while integral baffles prevent wind washing.
Some ridge vents have a baffled ridge.
Wind blows over the ridge and pulls heated air and moisture from the attic creating a uniform air movement that eliminates hot spots.
See the guide unvented attic insulation.
This article explains the effects on buildings caused by locked soffit intake vents and we explain how blocked soffit venting causes or contributes to attic condensation moisture and potential mold contamination problems in buildings.
Kitchen and bath fans vented into the attic.
Air seal cantilevered floors.
How to prevent wind washing in new construction.
Blocked or inadequate roof ventilation air intake openings at soffits or eaves.
Rectangular roof vents installed on one side of the roof only.
Install rectangular roof vents on both sides of the roof.