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Has anyone had any experience using airtec diffusers. I am interested in any pros or cons on these. Seems like they could be a time saver, but I'd like to hear any long term results using these plastic all in one diffusers. Also do these have any adverse effect on noise levels?
TIA
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How are they a time saver? Seems to me you have to cut a hole in the ceiling or ceiling tile and connect the flex duct regardless. I don't see any advantage over a conventional round ceiling grill or usign a boot and rectangular grill. I'm not sure how good the airflow pattern is on the airtech or the maximum velocity. Hart & Cooley publishes this data for all of their grills.
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