The new 2013 version of ASHRAE’s residential indoor air quality standard adds a requirement for carbon monoxide alarms. One of the biggest changes to the standard over the 2010 version is an increase in mechanical ventilation rates to 7.5 cfm per person, plus 3 cfm per 100 square feet. This is due to the removal of the default assumption regarding natural infiltration.
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| Aug 11, 2010
Best AEC Firms of 2011/12
Later this year, we will launch Best AEC Firms 2012. We’re looking for firms that create truly positive workplaces for their AEC professionals and support staff. Keep an eye on this page for entry information. +