Fan Blowing In Attic

Condensation is caused when warm moist air reaches its dew point.

Fan blowing in attic.

That air gets pulled up into the attic. A whole house fan is usually installed on the attic floor near the center of your house. Open your windows before you turn on the fan. Attic ventilation fans could be effective if your home has.

Hvac equipment in the attic that is well insulated and sealed. It s a big fan and basically the idea is that when it starts to get a little sticky you turn the fan on and it just you open up a few windows around the house and it pulls a nice breeze throughout the house. Lee sam jun 9 17 at 0 03. Attic insulation that is less than r 19.

Cooler outdoor air enters through open windows lowering the indoor temperature. Much of that heat then conducts downward and finds its way into the house. If possible i d peek into the attic to make sure the vents are clear and working before cutting the hole and installing the 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.

Using a fan to blow hot air out of the attic doesn t address the radiant heat flow from the roof to the attic floor. An attic floor that is thoroughly air sealed. Bountiful eave soffit ventilation space. 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.