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Solar Powered Roof Vent Lou Leciejewski 04-18-2008
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Posted by Lou Leciejewski on April 18, 2008, 9:21 am
Anyone here have any comments regarding Solar Roof Vents? I am looking to
install a Solar Powered Roof Vent made by GAF. Also, as a comparison, I am
looking at the Wind Powered Turbine Vent by GAF. Anyone have a Solar
Powered roof vent? I wonder how long the motors last ... I presume they do
not run constantly. Any comments would be most welcome.

Thanks in advance!
Lou

Posted by John Gilmer on April 18, 2008, 10:00 am

> Anyone here have any comments regarding Solar Roof Vents?

Yeah! It's seems to be a winner!

You only need the power vents when the sun is heating your roof.

The wind powered vents always seems a bit silly as the wind is already
cooling the roof. The reason you want extra ventilation is that the roof
gets too hot and heats up the attic.


** Posted from http://www.teranews.com **

Posted by on April 18, 2008, 5:20 pm
>
>
> > Anyone here have any comments regarding Solar Roof Vents?
>
> Yeah! =A0 It's seems to be a winner!
>
> You only need the power vents when the sun is heating your roof.
>
> The wind powered vents always seems a bit silly as the wind is already
> cooling the roof. =A0 The reason you want extra ventilation is that the ro=
of
> gets too hot and heats up the attic.
>
> ** Posted fromhttp://www.teranews.com**

I'd go with a good ridge vent and soffit vent solution before any type
of fan. I also have to disagree that the breeze that would drive a
turbin type fan is going to be sufficient to have any meaningful
effect on the attic space under the roof. With direct sunlight on
the roof and just a modest breeze attics still generate an enormous
amount of heat.

Posted by Bob F on April 18, 2008, 10:13 pm

> Anyone here have any comments regarding Solar Roof Vents? I am looking to
> install a Solar Powered Roof Vent made by GAF. Also, as a comparison, I am
> looking at the Wind Powered Turbine Vent by GAF. Anyone have a Solar
> Powered roof vent? I wonder how long the motors last ... I presume they do
> not run constantly. Any comments would be most welcome.

The amount of air movement you will get from a tiny solar cell is minimal.
Better to invest in proper passive vents, half high and half low to get
convection going.



Posted by LouB on April 18, 2008, 10:25 pm
Bob F wrote:
>> Anyone here have any comments regarding Solar Roof Vents? I am looking to
>> install a Solar Powered Roof Vent made by GAF. Also, as a comparison, I am
>> looking at the Wind Powered Turbine Vent by GAF. Anyone have a Solar
>> Powered roof vent? I wonder how long the motors last ... I presume they do
>> not run constantly. Any comments would be most welcome.
>
> The amount of air movement you will get from a tiny solar cell is minimal.
> Better to invest in proper passive vents, half high and half low to get
> convection going.
>
>
Have you actually seen one of those units??

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