Without any air movement temperatures in the attic soar in summer and plunge in winter.
Attic exhaust fans vs ridge vents.
Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
Without ventilation unfinished attic spaces can end up having stagnant air.
Ridge vent must me installed per the manufactures instructions.
Ridge vents are a passive system simply allowing hot air to rise up through them rather than pushing it out as a fan does.
This is different from soffit vents which allow air to travel into the attic.
Which is better for your roof.
One insists on using the ridge vents with no exhaust and the other sides with the use of exhaust fans.
Ridge vents are an ideal solution to ventilation in an ideal attic.
One of the leading causes for fires.
Best ventilation is open soffit venting to a open vented ridge vent.
As warm air rises in your attic fresh air is drawn in through soffit vents.
More than 50 of the attic fans i see do not work and have current still live to the motor.
In the case of ridge vents when heat builds up inside the attic it makes sense that there should be a means of moving the hot air out other than relying on natural ventilation especially if there is little to no air movement outside.
Like attic fans ridge vents are designed to exhaust air that is already inside the attic.
A ridge vent is a passive system and offers less air movement and in moderate climates this style tends to be sufficient.
Do not use mechanical means electric attic fans.
That depends on your roof.
Fans are needed only when there isn.
In a properly designed passive system air enters through the soffit vents rises by convection in the attic and exits through the vents in the roof or gables.
A ridge vent or a solar attic fan.
For optimal performance ridge vents require soffit venting to bring air up and out the top of the roof.
Ridge vent vs solar attic fan.