>Once smoke reaches emergency levels, Nest Protect can't be silenced- by regulation in the US and Canada. Address the source of the problem, and Nest Protect wi

>Once smoke reaches emergency levels, Nest Protect can't be silenced- by regulation in the US and Canada. Address the source of the problem, and Nest Protect will quiet down when the smoke level gets lower. https://nest.com/support/article/Nest-Protect-Safety https://nest.com/support/article/Nest-Protect-Safety