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  • Trevor Bigelow

The importance of attic ventilation in northern BC

As the temperatures in Canada fluctuate, homeowners have to think about how to keep their homes comfortable and safe. One important aspect of maintaining a healthy living environment is proper attic ventilation. In this blog post, we will discuss the importance of attic ventilation in Canadian houses.

What is Attic Ventilation?

Attic ventilation refers to the process of allowing fresh air to enter and circulate through the attic space. The aim of this ventilation is to keep the attic temperature closer to that of the outside air, to prevent the buildup of moisture, and to remove pollutants and contaminants from the attic.

The Importance of Attic Ventilation in houses of northern BC

  1. Energy Efficiency

Attic ventilation is important for energy efficiency in Canadian homes. In the winter, heat rises and can get trapped in the attic, making it difficult to keep the home warm. In the summer, the opposite happens, and the attic can become very hot, leading to increased cooling costs. Proper ventilation ensures that the attic temperature is kept close to the outside temperature, reducing the load on the heating and cooling systems, and saving energy.

  1. Moisture Control

Attics can easily become damp, leading to mold and mildew growth. This can lead to serious health issues and also damage the structure of the house. Proper attic ventilation allows for moisture to escape, keeping the attic dry and reducing the risk of mold and mildew.

  1. Improves Air Quality

Attic ventilation is also important for improving air quality in Canadian homes. When air is trapped in the attic, it can become stale and polluted, leading to respiratory problems and other health issues. With proper ventilation, fresh air can flow into the attic, removing pollutants and contaminants and improving indoor air quality.

  1. Reduces Ice Dams

Ice dams are a common problem in Canadian homes, especially during the winter months. They occur when the heat from the attic melts the snow on the roof, causing the water to run down and refreeze at the edges of the roof. Proper attic ventilation can prevent this by keeping the temperature in the attic close to the outside temperature, reducing the risk of ice dams forming.

  1. Increases the Life of the Roof

Proper attic ventilation can also increase the lifespan of the roof. When the temperature in the attic is not regulated, it can cause shingles to deteriorate and wear out faster. Proper ventilation reduces the heat buildup in the attic, preventing damage to the roof and extending its lifespan.


Attic ventilation is essential for Canadian homes, and should not be overlooked. It plays a crucial role in maintaining a comfortable and safe living environment, reducing energy costs, preventing moisture buildup, and improving indoor air quality. Homeowners should ensure that their attics are properly ventilated, and if unsure, they should consult a professional to determine the best solution for their home.

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