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What are the types of roof vents

What Does a Turbine Roof Vent Do?

When choosing a type of roof vent for your property, you will be faced with a lot of restrictions based on things like the type of climate you live in, and the size of your property. Judging the suitability of a particular roof vent for your circumstances will largely depend on just that: your circumstances. Turbine roof vents are no different. There are certainly positives and negatives to this style of vent, but most of them are down to fixed details like the ones we mentioned at the top.

The turbine roof vent is the best option more often than it is not, but in this post, we are going to look at all of the pros and cons so that you can make an informed decision when choosing vents for your roof.

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What does a turbine roof vent do

What Are Turbine Roof Vents?

Turbine roof vents—also known as whirlybirds—are a style of roof vent that relies on wind to spin a turbine. The spinning of this turbine causes air from inside the property to be drawn up through the vent. The air being drawn through will be warm due to the fact that warm rises and the vents are mounted on the roof of the property. They typically look a little like a chrome chef’s hat protruding from the roof and are carefully engineered for optimum performance. Indeed, while the wind is required to make a turbine vent do its job effectively, hot air rising from the property can be enough to make the turbine spin.

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Turbine Roof Vents: Pros

There is plenty to be positive about when it comes to turbine roof vents, so let’s start with the good.

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Easier and Cheaper to Install

When compared to the main alternative—ridge vents—this kind of vent is considerably easier to install, which means that installation is both less disruptive and cheaper than ridge vents. There are also no electrical components in a turbine vent since they are powered directly by the wind. This means you will not need to have a qualified electrician come in to wire up your vents once they are fit, which gives them an advantage over alternatives like power vents when it comes to installation.

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Are roof vents better than turbines

Highly Effective

In low wind situations, turbine vents do an admirable job of moving warm air out of the attic areas of a property. However, when the wind is blowing, these vents turn into a powerful vacuum of warm air, drawing it up through the vent as effectively as any powered alternative.

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Smaller Footprint

While they may be more visible from the ground than some roof vent alternatives, turbine vents actually take up less space a lot of the time. For example, for a ridge vent to be effective, it must span almost the whole length of a roof. A turbine vent would be able to cover the same area with just a few strategically placed vents.

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Suitable for Any Size Property

Sticking with the size of the roof for a moment, there is no minimum or maximum size that a roof needs to be for turbine roof vents to be effective. Ridge vents require a certain amount of roof to be available in order to work, which means they are not suitable for some smaller properties. Turbine vents will work great on smaller roofs, and larger roofs can be easily handled by simply adding more vents.

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Low Running Costs

While it would be false to say there are no ongoing costs of having a turbine vent on your roof, those costs don’t include adding to your electrical bill. Being entirely powered by wind, you can benefit from proper roof ventilation all day, every day, without having to worry about your next utility bill.

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What Are the Benefits of Installing Turbine Roof Vents?

While at first glance, a turbine may look complex. But, in reality, it is quite simple. Inside the turbine is a fan, which is sensitive to breezes. The fan turns on when the wind blows. It draws the air up from the attic and scatters it. Here are some good reasons why turbine roof vents are good for your house.

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Turbine Roof Vents: Cons

Unfortunately, there are two sides to every coin, and turbine roof vents are no different. As good as they are, there some traits that may make an alternative vent more suitable, so let’s look at those cons next.

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Only Effective in Windy Weather

In good winds, the turbine vent is quite possibly the most effective roof vent available. Unfortunately, wind power is not very reliable, and if you live in an area that does not receive a lot of wind, this kind of vent may not be for you at all. While the turbine does not need to be spinning at full speed all of the time in order to do its job, the unreliable nature of wind may be a deal-breaker for some.

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Requires Periodic Maintenance

Turbine vents may be cheaper to run in the sense that they do not require electrical power, but they do require some maintenance over time. As with any appliance in which there are moving parts, things wear down as they are used. This wear and tear happens more quickly the more the turbine is used, meaning that the more the turbine does its job, the shorter its life will be. If a turbine vent is left to degrade without any kind of care, it will begin to develop squeaks and groans. As the turbine is powered by the wind, you won’t even be able to turn the vent off to shut the noise up.

Fortunately, you can keep the vent in good health for a long time to come with occasional maintenance, but that is still a step further than something like a ridge vent, which requires almost no maintenance at all.

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Not Very Discrete

While this may not concern every homeowner, turbine roof vents are not the most inconspicuous of roof vents. They are often made from reflective metal (other colours are available, however), and stick straight up from the top of your roof. Even a small version of the vent in a colour designed to match the roof will still be visible from the ground. Compared to a ridge vent, which can be indistinguishable from the roof itself in some cases, looks are its strongest attribute.

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Conclusions

If you are in an area that gets a good amount of wind, it is hard to beat the turbine roof vent… as long as you keep on top of its maintenance, and you don’t mind the vents poking up out of your roof. When it comes to effectiveness, footprint, and running and installation costs, however, you can’t do much better.