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Roof Ventilation

There are benefits to having a fully functioning ventilation system for the entire year. Roof vents work by allowing air to freely move from one point of the roof to another. This ensures that no moisture and heat is transferred out of the roof, keeping the house cool. These systems typically have several components systematically placed for optimal function. This air movement can be achieved in two different ways: mechanical and natural. Natural air movement is driven by either stack or wind effect. Meanwhile, mechanical vent systems utilize electrical motors.

Mechanical systems are the most effective. A powered system can effectively transfer hot out and cold air in. However, there are a few tradeoffs to this kind of venting solution. First, some fans require more than 100W of electricity to run. This could increase your electricity bill significantly. Installation is also more complicated, and in most cases, may require professional help. There are also solar-powered fans that allow off-grid operation but are a little bit costly.

Having enough airflow in your attic definitely, keeps the electricity bills down during summer. Expelling hot air not only keeps the entire house cool, but it also protects the roof structure from moisture-caused damage. However, most homeowners are oblivious about how much airflow they need in their home. It is best to know how much you actually need. This is to ensure that you would have enough airflow to keep the temperature in your attic relatively tolerable.