Circulating Air In Attic

Larger than the vent opening.

Circulating air in attic.

Attic vents and fans. Whole house fans powered attic fans. Window fans are especially useful for this purpose. 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.

In essence all ventilation is about circulating air to keep it fresh and to reduce moisture levels. A whole house ventilation system is ideal for improving your indoor air quality. Most solar attic fans are surface mounted meaning that they are installed directly through the roof surface where they are most efficient. Make the cutout area 1 2 in.

Intake vents located at the lowest part of the roof under the eaves allow cool. Cut the shingles for roof vents. But powered attic fans can draw your air conditioned air out of the house. 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.

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. You can t forget your attic when you think of your home s air circulation. Lack of attic ventilation causes stagnant air to become trapped penetrating the attic floor and affecting the entire house. Mark attic roof air vent locations.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. More than natural ventilation will do. 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. Drive nails up through the sheathing and shingles to mark roof air vent locations.

Solar attic fans do just that. From the roof s peak. To keep your attic cool your attic ventilation requires moving massive amounts of air. Cut shingles with a utility knife.

Center nails between rafters 18 in. In addition to the exhaust fans that improve your overall air traditional fans can ensure that the air continues to circulate. 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. Understanding whether your home could benefit from some form of attic ventilation might just be if not a life saver a roof saver.

About 90 percent of homes in the us have unreasonably high levels of moisture.