While there's a small chance of setting off your fire alarm while smoking, vaping, cooking, or burning candles or incense, rest assured that these items won't set off the fire sprinklers.

Will smudging set off smoke detector?

A: It depends on the sensitivity of the smoke detector. I live in a senior building and the devices are deliberately set higher. Know your device and smudge accordingly even if you have to do it more than once.

What triggers fire sprinklers to go off?

Sprinklers are highly reliable devices that are activated by heat. They will only go off if there is a fire which increases the heat beyond the sprinkler trigger point (typically 135 to 165°F (57.2 to 73.9°C)). ... "When a fire occurs, every sprinkler head goes off." Sprinkler heads are individually activated by fire.