upstairs hotter then downstairs..

6706 Views 6 Replies 5 Participants Last post by buildinsciences, Jun 18, 2009

f8lyer8s

Discussion Starter · Jun 18, 2009

I know the basic rule of heat rises.. but how much hotter should upstairs be then downstairs? its like a difference of 15 degrees.. (about 5 steps; split level house) i have tried to close vents down stairs to force more cold air up stairs, doesnt seem to work... could this be an issue with insulation in my attic? Or is this just normal...

could be a dumb question but just wondering... thanks!

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Yoyizit

· #3 · Jun 18, 2009 (Edited)

The study book for the Mech. Eng. PE exam said 1.5F per vertical foot is a good rule of thumb for the stack effect. You seem to be over this.
Or was it 1.5' per degree F?
http://arch.ced.berkeley.edu/vitalsigns/workup/siegel_house/sgl_stak.html

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