Whole house fans powered attic fans.
Circulating air in attic.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Larger than the vent opening.
To keep your attic cool your attic ventilation requires moving massive amounts of air.
Understanding whether your home could benefit from some form of attic ventilation might just be if not a life saver a roof saver.
Window fans are especially useful for this purpose.
Attic vents and fans.
Attic ventilation fans or turbine roof vents will assist in moving the air.
These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space.
Cut the shingles for roof vents.
As the attic space warms up from the irradiation of the sun the ventilation port opens wider to allow the solar fan to move more warm stale air out of the attic area.
In addition to the exhaust fans that improve your overall air traditional fans can ensure that the air continues to circulate.
Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.
Cut shingles with a utility knife.
Drive nails up through the sheathing and shingles to mark roof air vent locations.
Most solar attic fans are surface mounted meaning that they are installed directly through the roof surface where they are most efficient.
But powered attic fans can draw your air conditioned air out of the house.
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.
More than natural ventilation will do.
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.
Install an attic.
About 90 percent of homes in the us have unreasonably high levels of moisture.
Intake vents located at the lowest part of the roof under the eaves allow cool.
Center nails between rafters 18 in.
You can t forget your attic when you think of your home s air circulation.
A whole house ventilation system is ideal for improving your indoor air quality.
Mark attic roof air vent locations.
Fibers may also work their way into closed system air handlers or ducts landing along duct work or circulating into the air in the rest of the house.
From the roof s peak.
Make the cutout area 1 2 in.