The 2012 International Energy Conservation Code (IECC) is an incremental code step that calls for increased levels of energy efficiency in commercial buildings. However, it also contains a unique provision that architects and engineers should be prepared to deal with: For the first time, at least as mandated by code, architects and engineers must be aware of the amount of air infiltration in their buildings. Air infiltration long has been a little-understood or even ignored factor when it ...

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