Soffit Vents: Everything You Need To Know

You might not know it, but soffit vents are a crucial part of your home. Soffit vents provide ventilation for the attic space inside your home and prevent hot air from building up in there. 

With these vents in place, you can be sure that your roof will last longer without leaks or mold growth issues. In this article, we’ll teach you everything about them!

soffit vents for house

What is a Soffit Vent? 

From the name itself, a soffit vent is a vent being installed into the bottom of your attic. It permits fresh air outdoors into your attic. These days, newly built homes come with roof vents to provide good ventilation. But when used with regards to soffit vents, it works more efficiently.

With soffit vents, fresh and cooler air is drawn up by the roof’s soffit, while the humid and hot air is denied over the roof vents. It helps you save money on air conditioning costs, and it comes with many benefits. There is no wondering why many prefer to have these vents in their attics.

What is the Purpose of Soffit Vents?

Though soffit vents are becoming popular nowadays, it’s also essential to know their purpose to understand why you need them in your home. Here are some of the benefits and purposes of soffit vents.

  • It gives attic ventilation 

It may seem unusual to improve the insulation for warmth and allow cool air to get in the attic. However, attic ventilation is vital to a sturdy and energy-efficient home. It will enable a natural flow of air from the outside to ventilate your attic during the winter with soffit vents. It helps the attic have proper ventilation and prevent moisture caused by heating, showering, and cooking.

Also, soffit vents allow hot natural airflow to your attic during the summer. As a result, it protects your roof shingles and helps you get rid of the moisture. In addition, it prevents heat upon entering your house during the summer. Hence, it’s an adequate ventilation every season.

  • Helps energy consumption 

Soffit vents also help reduce your energy consumption. Since it keeps your home cooler, especially in the summer, then you will not be tempted to turn on your AC and increase your electricity bills.

  • Prolongs the lifespan of your roof 

Many factors could damage your roof, and one of them is ventilation. But as long as the ventilation is adequately controlled, then it’s guaranteed that it could last for years. Moreover, when you install soffit vents, it ensures that your roof remains long-lasting.

Should my Soffits be Vented? 

Because of the advantages of soffit vents, it’s advisable that your soffits must be vented. It’s one of the most effective ways to ventilate not only your attic but the rest of your home. Also, while soffit usually comes in aluminum or wood, then it’s guaranteed to be durable.

Whether it’s vented or non-vented, it still allows ventilation to your entire roof. It’s truly a great investment, especially for your home where you will love for years.

How Many Soffits Do I Need?

As a general rule, the entire attic vent area needed for a house is about one sq. foot of space for vents in every 150 sq. feet of the area in the attic. But to be sure, you might want to check the building codes of your city. There you will see if there are other rules regarding soffit vents, especially for residential roofing.

You may also consult companies in your state and ask if they can give you a quote for soffit vents needed for your house. They can even send roofing professionals to your location and assess how many soffits you need. Again, the evaluation is free, so don’t hesitate to consult them.

What is the Best Type of Soffit Vent?

Soffit vents also come into different types. Check these out to know what soffit vent type you will need for your home and help you decide which type will work for your attic.

  • Round Vents 

Round vents are known to constantly interrupt the flow of your roof and experience more damage during the storm. Make sure that round vents must always fit the round shape in your attic before installing them.

  • Aluminum Soffit Vents 

The Aluminum Soffit vents usually come in round shapes and different colors. You can choose between a brown, black, or white finish. You can also choose a refined look.

  • Copper Round Soffit Vents 

If you want something that comes with a beautiful finished look, go for copper round soffit vents. The beautiful copper color adds design to your home.

  • Continuous Soffit Vents 

Continuous soffit vents tend to give fantastic ventilation in soffit areas of your roof. These vents are usually recommended to provide a continuous style to your attic and better ventilation to your roof. And since it’s extraordinary, these vents can be a bit pricey. But if it extends longevity to your roof, then it’s worth the price. 

  • Perforated Vents

Perforated vents are made for vinyl siding. It’s usually made of aluminum alloy, and it is anti-corrosive. This is going to be ideal for installing in closed spaces to give ventilation. 


Investing in soffit vents is an intelligent decision. While many would take it for granted at first, soon, they will realize how important it is once they feel like the ventilation to their house is not desirable. In addition, it’s easy to install, not as complicated as you may think.

You can even come up with a DIY project if you want to. However, if you’re having trouble, you can just contact any roofing company to assist you. I hope this article has helped you understand more about how soffit vents work, and may you consider it when you plan to have your roofing project or renovation.

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