New Smoke Alarms Going Off Randomly Night and Day - Strange Stuff

Not sure what the heck is going on. It's a new combo smoke and 10 year sealed lithium battery carbon detector that keeps going on/off randomly.


Now here's the kicker. It's the 3rd one we've installed there within the past year. Something is activating these damn things, but what is the question. The reason it's there is the central location of the house, so it services multiple rooms. I've even opened and closed doors, check air flow, temperature fluctuations, even put a ladder up and did a smell test close to the ceiling area, and found nothing.


It's getting old fast, and especially at night or when we're sleeping.