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I think sandard consumer smoke alarms are designed so they don't go off with all smoke types. This is to prevent them being super annoying and people removing the batteries too often.
They're configured to trigger only when smoke with particle sizes of a certain sizee are detected (wood, textile,oil, etc) and not cigarettes for example.
A +1 for the Nest Protect fire alarm.
I set off smoke bombs to rid ourselves of a moth problem, and we had 3 normal fire alarms (1 we brought with us to the new home, 2 which were here already - all with fresh batteries) and than a Nest Protect which I'd got for free from the Google Store as a result of a promo.
Lighting the smoke bombs... we left the house. By the time we got outside the front door the Nest Protect was audible from outside, my phone was ringing with the alert and it was announcing smoke detected.
I went back in, silenced it... and then noticed that none of the others had triggered. I tested them all, they were active and working... but none picked up the fact that I'd lit fuses and set off smoke bombs!
Unsilenced the Nest... it triggered immediately.
We're now going to dispose of the standard fire alarms and buy more Nest Protects to distribute around the house.