Do you need an attic fan if you have a ridge vent?

Do you need an attic fan if you have a ridge vent?

Do you need an attic fan if you have a ridge vent?

Vents that run along the roof ridge are an alternative to those that exit through the roof decking or gables, and if the ridge is long enough, they may be the only roof vents you need. As long as you have enough space at the base of the roof for an equal amount of soffit vents, you shouldn't need a fan.

Which attic ventilation is best?

In most cases, we recommend soffit vents for intake and a ridge vent for exhaust. For homes that cannot have a ridge vent, box vents are generally the second best option for exhaust. And for homes that cannot have soffit ventilation, you will find that fascia vents to be your second best bet.

Do ridge vents help cool house?

Like other roof vents, ridge vents function to allow rising hot air to release from the attic. ... This circulation of air keeps your roof “cool” or as close to the outside temperature as possible.

Should you see light through a ridge vent?

The only light you should see should be at the vents and window. ... At most there should be a glow of light at the eaves (end of rafters by floor) you should not be able to see your neighbor. If you have a ridge vent there could be light at the ridge but again it should be a glow more than a ray of light.

Is too much attic ventilation bad?

Field tip: If a roofing contractor is going to be out of balance with the attic ventilation system, it's better to have too much intake than too much exhaust because the excess intake converts to exhaust on the leeward side of the house.

Can you have too much attic ventilation?

It's possible to have too much exhaust ventilation, but you cannot have too much intake ventilation. If there is more intake ventilation than the attic's square footage requires, it's not problematic because any excess intake converts to “exhaust” on the leeward side of the house.

Do ridge vents cause leaks?

With proper installation and care, ridge vents should not leak. However, improper installation leads to leaky vents. ... When a shoddy or inexperienced contractor fails to overlap the pieces or doesn't extend the sections enough, the vents will eventually leak.

Do you use a ridge or attic fan?

And from an energy stand-point it doesn't make sense to run something that is a low difference maker. In this situation I could see just using your AC as being more efficient. You would ALWAYS put the ridge vent before the attic fan. Now would you want to install an attic fan with the ridge vent is a really good question.

How are ridge vents different from soffit vents?

Like attic fans, ridge vents are designed to exhaust air that is already inside the attic. This is different from soffit vents, which allow air to travel into the attic. Ridge vents are a passive system, simply allowing hot air to rise up through them rather than pushing it out as a fan does.

What are the pros and cons of a ridge vent roof?

Pro: By keeping your attic or roof cool and dry you will use less energy within your house to try and maintain a comfortable home without using external air conditioning equipment. You also save greatly on energy as you are not using any power at all to run this ventilation system.

Do you need a gable vent or an attic fan?

Gable vents are also not effective if there are no wind movements parallel to the roof during the day. In these cases, it is necessary to install an attic fan to cool down the attic area. That being said, whether you need an attic fan or ridge vents can only be considered case by case, there is no one definite answer for this question.


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