Do I Need To Install Attic Vent

Center university of central florida found that attics with nominal natural ventilation and r 19 ceiling insulation do not need powered vent fans as it turns out because the insulation slows heat.

Do i need to install attic vent.

In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq. I don t know why so many people are so defensive about power attic ventilators but here are a few of the things they ve said to me in the comments. There are two basic types of attic fans. If you have few vents in your attic most of the air will be drawn from inside the house.

Do you need an attic fan if you have a ridge vent. It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot which can save you a substantial amount of money down. Beneath the roof eaves in the soffit is the standard place to install intake vents because it s the lowest spot in the roof. Soffit vents are one of the most popular intake vent styles.

That said air resistance and interference such as vent grates reduces the area of true ventilation. A fan may actually suck air conditioned air from your home into the attic. Three years ago i wrote an article titled don t let your attic suck power attic ventilators are a bad idea nearly a hundred thousand page views and 93 comments later it s still generating lots of heat. Unless you plan to convert your attic to a living space it doesn t make sense to seal it and route your hvac vents up there.

They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic. Putting baffles in your attic is a crucial step in installing attic insulation. When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in. The old still reliable method of venting the soffit.

In a properly. By installing more roof vents such as a ridge vent you increase the possibility that most attic air will come from outside says tim carter a residential contractor in cincinnati. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. Continuous or individual soffits.

Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation.