Best Attic Ventilation Methods – A Detailed Guide on Ventilation System

Proper installation of any roof involves so much, other than putting on shingles. No matter whether it is cold or warm, reliable attic ventilation does play an important role to let the roof system stay durable and long-lasting in existence.

Contractors should give a quick guide to all the homeowners related to the importance of attic ventilation and its benefits. It will allow fresh and cool air to enter your attic at greater ease. Plus it will exhaust moist and hot air to move out from the attic through exhaust vents. Moist or hot air can cause certain issues.

In a colder climate, this ventilation helps to maintain a cold roof system by mixing cool air with the attic air to permit lesser snow melting on top of the roof. In a warmer climate, proper attic ventilation helps to expel hot air, which can contribute to certain moisture problems.

Source: thehomedepot.com

Below are a few basic advantages of proper ventilation:

  • It helps to reduce damaging moisture. Excessive moisture can build up within the attic, which can potentially damage the structure of the roof system. It also can cause mold.
  • It helps you to prevent damage to the roof shingles.
  • High attic heat can bake the shingle and cause them to prematurely age. In fact, most major shingle manufacturers strongly recommend proper attic ventilation on asphalt shingle installations.

Unfortunately, most homes in North America are improperly ventilated. This may end the houses in mold, wasted energy, ice dams, premature roof system degradation, rotting decks, peeling paint, and ceiling stains.

Proper attic ventilation creates a balanced system using ridge vents or another exhaust vent in combination with intake vents installed at the eave, soffit, or fascia area of the roof. Intake ventilation is mandatory in ensuring the fact that the exhaust vents will function properly. Without intake ventilation, most ridge or other exhaust vents are often useless to deal with.

There are a variety of roof vent options to choose from. The one you will select will depend upon so many factors. These factors include roof materials, your area climate, the dimensions of the roof, and therefore the pitch and slope of the roof or attic space.

Overview of Different methods of Attic Ventilation

In this guide, we will take you into the guide of top best roof vents to pick the one which suits your requirements and convenience level. We will also provide you with some details on choosing the simplest roof vent.

Each roof vent serves a distinctive purpose. The roof vents which are best for your home will depend upon the setup and airflow of your home.

Types of Exhaust Vent Systems

The primary purpose of an exhaust vent is to tug excess heat and humidity from your home. However, it is a common myth that these vents also remove off heat in the winter months. Properly installed roof vents will increase the lifespan of your roof by reducing the danger of warping or other water-related issues.

Exhaust vents should be paired with an intake vent system for maximum efficiency. Few basic types of exhaust vent systems are discussed below:

  • Cupola Vents

More often than a decorative feature, cupolas can also be converted into functional static vents. They are located at top ridges which permits them to draw heat and moisture efficiently where they are located.

Unfortunately, this sort of vent may be a poor choice on its own due to its limited coverage. It will never work in a convenient way with other exhaust systems.

  • Louver Vent

Also referred to as box, turtle, and low-profile vents, this type of vent consists of static louvres which must be spaced evenly. It should be positioned on the brink of the ridge for maximum efficiency.

Broan-NuTone 356BR Attic Ventilator is what we will recommend you to choose right now for your attic ventilation.  This attic ventilator works to simply remove super-heated attic air in the spaces up to 2285 sq. ft. at 1600 CFM. It comes with a PVC plastic dome with a brown finishing which provides ultraviolet protection and superior durability. This is how it looks!

Broan-NuTone 356BR Attic Ventilator

Some models are square while others are rounded as allowing some limited aesthetic choice. You will find these to be a superb DIY project as they are easy to put in, especially if your home has an existing static vent system.

  • Mediavine

Some additional steps and care are needed to form these systems of Mediavine vent! Additionally, they are less efficient than ridge vents and their visibility might make them an unattractive choice for your home. Finally, while being inexpensive, the value of installation may increase depending upon what percentage you would like and how good your intake system is.

  • Powered Vents

A powered vent is usually noisy, with the sound buffered only by your home’s building materials and insulation. You will hear them running late into the evening in warmer climates once you try to sleep.

For the excellent powered vents, we have Air Vent Gable Ventilator 53315 Attic and Whole House Fans. This product ventilates up to 1500 sq. ft. and has 2-year limited labor. It is convenient to use and works effectively. It is durable and long-lasting as well. It is definitely a great quality product.

Air Vent Gable Ventilator 53315 Attic and Whole House Fans.

Installation is harder and should require electrical skills if adequate power supplies aren’t readily available. The added weight also makes it harder to install. Finally, there are many moving parts that make this sort of ventilation more susceptible to breakdowns. Frequent inspections are therefore necessary to make sure that the fan is functioning properly.

  • Ridge Vents

Ridge Vents are installed on the height or ridge of your roof and covered by shingles. They do not contain any moving parts but must be properly paired with intake vents, like fsoffit vents to function properly. Unlike other sorts of vents, the ridge vent does not create hot or cold areas in your roof. They will be preventing some parts from ageing faster than others.

Installing a ridge vent is not as easy as installing the attic ladder. You should not plan to install a ridge vent as a DIY project, as they are extremely difficult to install. Some contractors will plan to run the vent only partway along the roof, which lowers or maybe disproves its functionality.

Another common problem is that the exhaust hole must be the same in size as the intake holes for the vent to function properly. As a result of these difficulties, ridge vents might not be right for your home.

  • Roof Turbines

Made of lightweight aluminium, roof turbines resemble mushrooms with fan blades expanded from their sides. These blades may either be housed during a protective casing or have small louvers designed to open only where there is wind.

They are highly effective and need no power. Stale, moist air slowly escapes from the turbine and a mild breeze causes the turbine to tug large volumes of air up.

Different Types of Intake Vent Systems

Installing exhaust ventilation without an intake system will generally render your vents useless. By having a mixture of intake and exhaust vents, air will circulate more freely and you will benefit from the utmost efficiency for your system. There are two popular intake vent systems to settle on from:

  • Gable Intake Vents

These triangular vents are located along with the height of your gables. While being visible, they are not unattractive and should be displayed over to stop insects. Unfortunately, they need limited coverage and are less efficient on their own as compared to soffit vents.

We have the best recommendation of Duraflo 620808 Gable Vent which is an extraordinary attic vent for your house attic space. It is CSA approved and has high UV resistance. Check out how it looks!

Duraflo 620808 Gable Vent

  • Soffit Vents

Being utilized in combination with ridge vents, a soffit vent is known to be an important part of your roof where it is installed. A soffit vent is usually made from PVC or aluminium and should be utilized in combination with existing intake vents for more efficiency.

We bring for the best recommendation of Broan-NuTone 345SOWW Surface Mount Solar-Powered Attic! This is a 28-Watt solar-powered attic ventilator that converts sunlight into electric power. Hence it is providing a maximum of 537 CFM year-round.

Broan-NuTone 345SOWW Surface Mount Solar-Powered Attic!

The vent itself is merely visible when looking up at the eaves by far making them difficult to identify. This downwards-facing movement also allows airflow while preventing moisture from getting into. Soffit vents are available in square or rectangular panels by adding to their versatility. Not just the vents are available in solar, but you can also look for the solar attic fans.

Comparison Chart of Different Types of Attic Vents

The following chart compares various sorts of vents for an easy selection. This comparison chart has been made based on different factors of material, installation, average cost, efficiency, aesthetics, and vent type. Check out below:

Vent System Vent Type Aesthetics Carbon Footprint Average Cost Efficiency Installation
Cupola Vents Exhaust Decorative Low Low if using the existing cupola Low Easy
Gable Vents Intake Visible and Decorative Low Low to moderate Low to moderate Easy
Louver Vents Exhaust Visible Low Low Moderate to high Easy
Powered Vents Exhaust Visible Low to moderate Moderate to high Moderate to high Moderate
Ridge Vents Exhaust Invisible Low Low to moderate High when installed Difficult
Roof Turbine Exhaust Highly visible None Low High Easy
Soffit Vent Intake Low visibility Low Low to moderate High Easy

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