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A customer yelled at me for putting the motion sensor too close to the AC vent
Took a service call last month in Austin where the lady kept getting false alarms every time the HVAC kicked on. Her old installer had the motion sensor mounted right above a floor register and the air blowing made the curtain move. I moved it 6 feet down the wall to a stud near the corner and used a DSC PG9128 pet immune sensor instead of the cheap one. Has anyone else had to deal with airflow triggering false trips on residential jobs?
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christopher_coleman172mo ago
Remember the AC might not be the ONLY thing causing air currents in that spot. Check if the homeowner has ceiling fans or maybe a window unit in another room that pulls air across the house. I had a job last year where the airflow from a bathroom exhaust fan was actually the culprit because it ran on a timer and the homeowner forgot to mention it. The motion sensor was picking up the slight temp change in the air moving past it, not a curtain or anything physical. You gotta ask about EVERYTHING that moves air in the whole place, not just the main HVAC system.
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blairf482mo ago
Check if their doorbell transformer is mounted near the same spot buddy mines been zapping sensors for years.
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