[Baz]

Some previous threads that might help. There are another dozen I didn't bother to list. Good luck!

https://forums.pelicanparts.com/off-topic-discussions/965759-new-garage-gable-fan-they-efficient.html

https://forums.pelicanparts.com/off-topic-discussions/1096783-need-more-better-insulation-upstairs.html

https://forums.pelicanparts.com/off-topic-discussions/1141764-attic-insulation-question.html

https://forums.pelicanparts.com/off-topic-discussions/923817-attic-fans-does-work.html

https://forums.pelicanparts.com/off-topic-discussions/860403-attic-insulation-quote.html

https://forums.pelicanparts.com/off-topic-discussions/776673-attic-insulation.html

https://forums.pelicanparts.com/off-topic-discussions/748402-questions-about-attic-ventilation.html

https://forums.pelicanparts.com/off-topic-discussions/536355-how-much-attic-insulation-r__.html

https://forums.pelicanparts.com/off-topic-discussions/479810-anyone-every-install-their-own-attic-fan.html

https://forums.pelicanparts.com/off-topic-discussions/479033-solar-powered-attic-fan.html

https://forums.pelicanparts.com/off-topic-discussions/286690-attics-time-show-yours-off.html

https://forums.pelicanparts.com/off-topic-discussions/231446-whats-best-way-cool-hot-garage-phoenix.html