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I have a 1300 sq/ft house with 8 foot ceilings that recently had a metal roof put on. They didn’t exactly cut away wood where the ridge vent is even though they installed a ridge vent. There is a 1.5×1.5 vent at 1 gable end and we have soffet vents.
My question is, how much attic ventillation do you need to run a whole house attic fan with a house similar to mine. Also, any web sites you recommend to review products such as this.
<p>It sound’s like the house attic fan installation was not done correctly. A ridge vent installed over solid sheathing is useless. My first step would be to make the installers one back and cut back the sheathing at the ridge to open up the ridge so the vent will work. Next step, make sure you have continuous soffit vents. If those two sets of vents are in place, you DO NOT need an attic fan. Using one can actually drive cooling costs up. Read why attic fans can waste money for more info. </p>
It sound's like the installation was not done correctly. A ridge vent installed over solid sheathing is useless. My first step would be to make the installers one back and cut back the sheayhing at the ridge to open up the ridge so the vent will work. Next step, make sure yor have ocntinuous soffit vents. If those two sets of vents are in place, you DO NOT need an attic fan. Using one can actually drive cooling costs up. Reade why attic fans can waste money for more info.