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Air quality level inside average US home may be comparable to 'polluted major city,' shocking study finds — is it time to reconsider trickle ventilators?

from University of Colorado Boulder via Study Finds

Research from the University of Colorado, Boulder found that common household activities, including cooking and cleaning, cause harmful particulates to enter the “esosphere” and worsen indoor air quality. The authors believe that chemicals found in common household substances are even seeping outdoors, creating more air pollution than cars and trucks do.

That was the theory of promoting Trickle Ventilators in all windows a few years ago, but particularly in replacement windows when the goal was to make homes more air tight to manage drafts and other energy issues. Window companies had a hard time justifying making windows airtight and then making “holes” in them to let air in and out. It’s about control. Major studies show the value of trickle ventilators in replacement windows to offset this airtightness — when needed — and maintain the recommended 7 air exchanges per hour to keep indoor air quality healthy. more


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