I have been doing some research and it seems like the best way to go is to use soffit ridge vents instead of an attic fan.
Which is better ridge vent or attic fan.
Adding roof ridge vents can reduce summer air conditioning costs prevent roof mildew and rot and keep your roof in better shape longer.
When you are deciding between a ridge vent or an attic fan consider the needs of the attic.
Choosing a ridge vent or an attic fan.
Attic fans can also make a lot of noise.
Without any air movement temperatures in the attic soar in summer and plunge in winter.
A ridge vent is similar to a screen and allows heat to escape up and out of the attic.
Unlike ridge vents attic fans use electricity and need regular maintenance to keep working properly.
It also works better because it creates a vacuum.
A ridge vent runs across the top of the roof s peak.
If you have suitable intake venting a ridge vent might be a better.
Installing roof ridge vents and more attic insulation are better options experts say.
Unlike turbines this venting style does not have any moving parts.
Also since the fan is powered by the sun it should turn off when the sky is overcast during a storm which will keep it from drawing rain into the attic.
It has the ability to work with vaulted ceilings and you only need one of them to get the job done for ventilation as compared to multiple box vents.
However the roof is only a 2 12 pitch and i am wondering if the shallow pitch will have any adverse effect on the vents.
At one point on the roof it is about 30 from the soffit to the ridge with a 2 12 pitch.
Since your solar vent fan only moves 500 cfm a third to half that of a typical hardwired attic vent fan it probably won t move enough air to reverse the action of the ridge vent.