Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.
Insulating attic with gable vents.
The air is then exhausted through gable.
Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent.
For the same reason insulation shouldn t touch the roof s underside.
Before insulating vaulted attic walls you must provide an unobstructed route from the soffit vents to an exit vent to prevent damage to the roof from moist hot air.
How to insulate an attic ceiling with no soffit vent.
However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.
Soffit vents sit underneath the eaves of the roof of a house to allow air circulation into the attic.
Static vents often protrude from roofline thanks to.