This is called passive ventilation.
House with no attic ventilation.
Attic ventilation does you no good if you find it too much of a hassle to turn on or off.
Excess heat and moisture cause roof decking to dry rot and shorten the life of shingles and underlayment.
The most common way to add ventilation to an attic is by installing air intakes in the soffits and putting an outlet at the gable of the house.
For more information on ventilation and moisture control read this article i wrote on proper attic ventilation it s my position that you should have a proper ventilation system in your attic and that you should always take the time to air seal the floor of the attic.
Rarely will you find a building practice that works everywhere.
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.
Roof and attic ventsl protect your house from expensive future repairs.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
Even without soffit venting it is important to provide an air gap at the soffit level to help keep the roof deck dry.
This can lead to a number of serious and expensive problems.
This creates a natural air flow by drawing in the air from outside pushing it up and out through the vent at the top of the house.
Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter.
However the utility of attic ventilation fans is actually quite a controversial topic.
I had new power vents installed they are more powerful move more air than previous ones.
Right after noticed house was considerably cooler and i contributed this to new fans.
Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented.
Attic ventilation keeps your house cooler in summer and it prevents moisture from building up in winter and ruining your roof framing and insulation.
Many whole house models now come with remote controls which allow you to turn the fan on from the floor.
The downside of attic ventilation fans.
One reason for the lack of agreement over attic ventilation is the tremendous variation in climate across north america.
Both roof and soffit vents are easy to install in just a few hours.
Without proper ventilation moisture from everyday activities such as showering washing laundry and washing dishes rises to the attic and slowly collects there.
