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Air vents are placed based on the required cfm load calculation per room not necessarily set at specific square feet apart. But you need to make sure that supply and return air are not close to each other. Supply air vents should be placed close to outside walls and return air close to interior central walls.

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โˆ™ 2009-06-14 05:02:25
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Q: How many square feet apart should you place vents?
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