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Old 08-05-2014, 07:52 PM   #1
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Ceiling vent for covered porch


We have a one-year old home in Florida where the main house roof (hip with attic space) extends over the screened patio on the back of the house. In addition, we extended our patio further out from the back wall of the house with an insulated-panel roof and screened walls on two sides. So half of the patio (nearest the house) is under the house roof with a sheetrock ceiling and the outer half is under just the aluminum insulated panel roof.

It's on the South side of the house and therefore quite hot much of the year. We have a ceiling fan but it often feels like all it's doing is moving hot air around. I'm wondering if there is some way to add ventilation in the ceiling of either the part under the house roof or the added panel roof to help hot air trapped on the patio rise up and out. It would of course be quite easy (and less risky for rain leakage) to put vents in the sheetrock porch ceiling (portion under the house roof), but I don't know if that is a bad idea for any reason. I would think it would simply act like more soffit venting and just suck the cooler air from the patio (well, cooler than the attic air!) up into the attic which has a number of mushroom-type vents to exhaust its own hot air outside.

Would this help relieve some of the hot, stale air trapped on the patio and help to lower the air temperature on the patio at all?

Are there any negative impacts of such a change (code-related or otherwise)?

Thanks in advance for any feedback on this topic...
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Old 08-13-2014, 03:09 PM   #2
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Is it possible that a stronger ceiling fan would help?
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Old 08-13-2014, 08:33 PM   #3
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Got a picture.
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Old 08-13-2014, 08:54 PM   #4
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Here are a couple of photos. The fan is no longer in the center of the patio but is now directly over the seating area where the light fixture is.
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Ceiling vent for covered porch-patio.jpg   Ceiling vent for covered porch-patio2.jpg  
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