As far as how open it needs to be, calculate the square inches of your duct (for round duct PI * Radius of the duct squared). Then calculate the dimensions of the window. If the window is smaller than the duct, you should open the larger garage doors in addition to the window.
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Chaotic Glass: Safety for the glassworker, and random thoughts and opinions on the state of the glassworking world To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
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