Inline exhaust fans are placed in line with existing ductwork, moving air between intake and exhaust vents. These are generally the most time consuming to set up and are typically installed in the ...
Good attic ventilation is key to preventing these issues. Strategically placed intake and exhaust vents create a constant flow of air through the attic. "Air enters the attic at the lower vents ...
Gable vents, which often have much bigger wooden louvers and go in the walls where the roof peaks, can work for both intake and exhaust by encouraging air flow from one end of the attic to the other.