Whirly Bird Vent Attic
My home has three whirlybird turbine vents on the roof.
Whirly bird vent attic. However when there is rain and no wind water can enter the attic and land on the insulation since the blades are not moving. A ridge vent installed along a roof s peak will move hot and humid air up and out of the attic. Good attic ventilation is important for preventing ice dams in the winter. The 14 big whirly turbine moves 37 more air than the 12.
Selkirk metalbestos selkirk 104800 gas vent 4 cap bird proof type b top round galvanized 4 2 out of 5 stars 84. So when you pull the attic stairs down this will allow this inflow of air. In theory you can install a whirly bird near the top ridge that can vent the attic space. These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Lomanco is the home of the one and only whirlybird turbine ventilator the all weather turbine vent whirlybird turbines offer all of the essentials for energy savings and are geared toward going green. Lippert components 389381 360 siphon roof vent cap white gen 2 4 5 out of 5 stars 466. Only 5 left in stock order soon. They make noise too.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. The whirly bird or turbine vents are worse than useless. Attic must have 5 sq.
The 12 turbine is available in aluminum and galvanized. Air vent airhawk 12 in aluminum externally braced roof turbine vent. Lomanco wind turbines are available in three sizes 8 12 and 14. Normally when there is wind and rain no water will enter the attic space due to the blades moving around.
Installation costs roof turbines are usually less expensive to install because they only require the removal of a small section of shingles and an appropriately sized hole to be drill through the roof. But you do need an inflow of air into the attic to replace the hot air that rises to the top of the attic. Full length ridge vent in combination with soffit vents is best. Item 863694 model tob12sbr.
Cool attic cx1000amups power attic roof mount ventilator with 3 4 amp 60 hz motor and.