How Stack Effect Works


You’ll often notice us talking about stack effect and how it impacts the air quality throughout your home. Stack effect, which is also called chimney effect, has to do with how air flows into and out of a building. It begins with the fact that warm air rises and cold air drops. Here’s an in-depth look at how stack effect works:

Stack effect is a natural flow of air through a structure. In large buildings especially, the stack effect can have a powerful control over airflow. The pressure difference caused by the warm air in your house versus the cold air outside contributes to the air flow. Generally speaking, the air at the top of your home wants to escape outside, while outside air wants to come into the bottom of your home.

Air leaks also contribute to stack effect. Warm air seeps out through cracks in the walls and roof of your home, and leaves moisture along the way. Moreover, cold air from the lowest regions of your home moves in to replace the warm air that has leaked out. Air can also sneak in through stoves, boilers and plumbing traps, etc.

In essence, the best way to eliminate problems caused by stack effect is to make sure your home is properly sealed. For more information on how stack effect works, contact EnviroGreen Boston at (844) 775-7700 today. Don’t forget to like us on Facebook and follow us on Twitter and Google+ for more tips.

Source: Fairbanks Daily News-Miner

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