Stack Effect. What is it and how does it effect air leakages in the home?
August 9th 2010 23:27
If you stand in front of a fireplace snd strike a match you will see the smoke leave and go up the chimmeny. This same effect happens in each home. The taller your home is the more stack effect you have in your house.
The same effect helps keep your attic cool also. Go outside your house and look under your soffit to see if you have soffit vents. If you do you are in great shape. The air moves in from these soffit vents in much the same way as the stack effect. It goes out through the vents in your attic therfore creating a passage for natural ventilation that will save you money.If you do not have thsese vents it is very economical to have them installed or install yourself.
I know what you are asking now. What does this have to do with air leakage? Remember in an earlier blog where we talked about finding air leaks in your home using your central air and heating unit? I hope that that procedure helped you to find some of these leaks. Well the same way your air unit draws air in from your interior rooms and exterior cracks in your doors and windows the stack effect will pull air through these same places even when you uint is not running. I hope tish helped you yo understand a little bit more how your home works. Because our homes wether we know it or not needs to perform to its best potential to help us save money and become greener! And you can help it do that!!!!!!!!!
HAPPY CONSERVING!!!!!
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