You want more cool air in the home now that summer is around the corner. Of course, your home should be optimized to retain warm or cool air depending on the time of year. You should be sure your ventilation and air quality system are designed to address the stack effect. This is especially the case if you live in a multi-story home.
What Is the Stack Effect?
The stack effect is a common issue among skyscrapers, but it can also be a problem for two-story residences. It’s a phenomenon that causes warm air to funnel upwards much the same way air exits through a chimney.
The stack effect occurs when the outdoor temperature is drastically lower than it is indoors. Cold air is denser than warm air. As cold air enters the room from the bottom floor, it pushes the warm air higher where it escapes through cracks and other openings. This ultimately creates stronger drafts as more cold air enters the room in the absence of warm air. The loss of treated air forces the HVAC to work harder, thus running up your energy bill. Continue Reading →