Roof Power Vent Good Idea

Hot air exhaust vents located at the peak of the roof allow hot air to escape.

Roof power vent good idea.

Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. While hardly anybody agrees on the best roof ventilation system everybody agrees some roof vents do hardly any good at all. Any leaks from the interior are going to be exaterigated sp. As the air leaves it creates negative pressure behind it sucking in cool air from below into the soffits and creating a self repeating ventilation process.

Attic power ventilators are mounted to the roof of the home and are connected electronically to a power source and in most cases the home s thermostat. Roof vents and power roof vents are made to work in conjunction with vented soffits so that outside air will replace superheated attic air during hot summer days. On the other hand power vents are a better choice for hip roofs which often lack ridge line footage for venting and for homes in the northeast where fluctuations in winter temperatures can sometimes make passive venting impossible. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available.

First off a roof vent is going to depressurize the attic. Organizations such as the nrca recommend against this roof vent style in cold climates because it can promote ice dams. In either case there needs to be a balance between intake and exhaust as well as adequate attic insulation. So more air is not leaking from the house.

Slits in the product allow for air to flow into the attic. Of course you try to make the attic scuttle hole use air tight trim on your ceiling cans but it would be foolish to ignore the benefits of a reasonably powered attic fan working in connection with adequate soffit venting. Even if your roof already has ridge vents and plenty of ventilation built in it s a good idea to install gable fans or roof fans to help blow hot humid air out of the attic. A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them.

The money would be better spent addressing problems the roof vent was meant to cure. The master flow erv5 power roof vent is the master flow erv5 power roof vent is a great overall investment in attic ventilation. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.