Adding Attic Ventilation

About attic ventilation natural attic ventilation.

Adding attic ventilation.

In the winter allowing a natural flow of outdoor air to ventilate the attic helps keep. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. Increased ventilation will make the entire roof cold and reduce or eliminate ice dams. The result is a cooler attic space with plenty of air exchange.

Adding attic vents is a simple matter of cutting holes and installing vents. Good insulation reduces fan effectiveness. Insufficient ventilation can lead to moisture problems during the winter and decreased. The downside of attic ventilation fans.

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. Rarely will you find a building practice that works everywhere. More attic ventilation is good. At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home.

Here are some of the myths and the facts you need to know about attic ventilation. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Add a dab of cement to secure the shingles to the attic vent cover base. However the utility of attic ventilation fans is actually quite a controversial topic.

For instance attic ventilation is used widely in cold climates to evacuate the warm moist air that escapes from the living space below. These ice dams form when warm attic air melts the snow on the roof and the water refreezes along the colder edge of the roof. Photos 1 6 show how it s done. Intake vents located at the lowest part of the roof under the eaves allow cool.

Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. One reason for the lack of agreement over attic ventilation is the tremendous variation in climate across north america. The ice traps water behind it allowing the water to seep back under the shingles and leak through the roof.