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lutful
... of ideas
Premium
join:2005-06-16
Ottawa, ON
kudos:1
reply to kkrrazy

Re: smoke detectors

said by kkrrazy :

Can dirty air intakes for your hvac unit cause the smoke detectors to go off???

You are not supposed to place photoelectric smoke detectors close to the air return vents. Very fine dust blowing through the detection chamber may occasionally trigger an alarm.

P.S. Sometimes hotel maids trigger these alarms when flapping the bedsheets.