I've got a small portable heater purchased from Target for about $10.
When you first turn it on, it always has that burning smell from the element heating up.
It clears up after about 10 min.
Recently, I turned it on in a room with a CO detector, and that smell set it off.
What's the correlation? There's no oil or anything to give off CO? Is it still safe? Should I just open the windows while it's warming up?
EDIT: It's electric. Detector is new and it sets off as the heater is turned on.
Is it really emitting CO or is the defect just setting off a false positive on the detector?