Your furnace is responsible for keeping your home warm, but it is the job of the rest of your home’s ventilation features to keep the warm air inside. If you own a multi-story home, you may have trouble maintaining warmth because of ‘stack effect’
The stack effect explained
The stack effect is a condition where the entire house acts like a giant chimney, pushing warm air upwards until it eventually leaves the structure. It occurs because of the difference between indoor and outdoor temperatures. Cold air is denser than warm air, so when cold air enters the home from the first floor, warm air is displaced to the top. This airflow actually pulls more cold air in, worsening the stress on your home’s heating system.
When stack effect becomes a problem
If the airflow is strong, thus puts undue pressure on cracks, deteriorated masonry, cracked weather stripping, and other vulnerable areas. With constant pressure, these leak sources can become larger, intensifying the airflow and worsening your energy loss problem. Read more from this blog. http://bit.ly/2mPa12n
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