Fan Blowing In Attic

Much of that heat then conducts downward and finds its way into the house.

Fan blowing in attic.

Cooler outdoor air enters through open windows lowering the indoor temperature. In the late evening or early morning the fan is turned on to exhaust hot air from the house. Lee sam jun 9 17 at 0 03. That air gets pulled up into the attic.

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. Attic insulation that is less than r 19. A whole house fan is usually installed on the attic floor near the center of your house. Hvac equipment in the attic that is well insulated and sealed.

Trying to solve the heat gain problem in your attic by using a fan is like lying out at the beach with a fan blowing over you and thinking you re not going to get a sunburn. 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. An attic floor that is thoroughly air sealed. 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.

Putting warm summer room air into the attic will not cause condensation because the attic ventilation should vent the area. Attic ventilation fans could be effective if your home has. Bountiful eave soffit ventilation space. Condensation is caused when warm moist air reaches its dew point.