When I first read the preamble to the then new OSHA confined space standard, I was struck by an interesting paradox that appeared on page 4,487 of the Jan. 14, 1993, Federal Register. In one breath, ...

SEAL THE DEAL: Building envelopes play a part in air movement, ventilation, and balanced homes. The energy savings that comes from tightening the envelope can cause unintended consequences, however — ...

Air circulation in buildings is rarely controlled solely by windows. Doors play a critical and often underestimated role in determining how air moves from one room to another. Their position, ...