Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.
Attic fan central air conditioning.
The whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Attic ventilation has a role in air conditioner efficiency by one hour heating air conditioning unless you have a finished attic you probably aren t fond of spending time up there during a hot summer day.
To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.
Because typically attic fans are so strong that not only do they take the hot air out of the attic but they reach down into your house and take the cool air out of the house as well.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Be sure that the access door is well fitted and doesn t let air escape around the edges.
Because the fan and coil unit is mounted in the attic in most retrofit air.
Attics and heat the condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
Oh an attic fan will do that.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
This is a high volume fan sometimes installed in a ceiling opening that extends into the attic that is used in place of mechanical air conditioning at night.
Most central air conditioners are split systems.
Typically this indoor unit gets placed in a cabinet or closet somewhere inside.
The condenser is outside and the fan and coil system is inside connected to the condenser by pipes that run up the outside of the house.
Put it in an attic full of blown insulation.
Now if you did have central air conditioning i would tell you not to install an attic fan and here s why.
The pipes can be disguised as part of the gutter and downspout system.
It provides good attic ventilation in addition to whole house cooling.
Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your.
Intake vents located at the lowest part of the roof under the eaves allow cool.