An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Attic fan central air conditioning.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
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.
The whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Typically this indoor unit gets placed in a cabinet or closet somewhere inside.
The pipes can be disguised as part of the gutter and downspout system.
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.
Most central air conditioners are split systems.
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.
Because the fan and coil unit is mounted in the attic in most retrofit air.
Now if you did have central air conditioning i would tell you not to install an attic fan and here s why.
This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.
Oh an attic fan will do that.
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.
Be sure that the access door is well fitted and doesn t let air escape around the edges.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
It provides good attic ventilation in addition to whole house cooling.
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.
Intake vents located at the lowest part of the roof under the eaves allow cool.
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.