For example, if you own a Nest Protect smoke alarm and it senses a problem, it will automatically tell your Nest Thermostat to turn off your heating system, since carbon monoxide leaks cause a huge number of accidental deaths in the US. (businessinsider.com)
Your heating system could be a source of carbon monoxide leaks or it could spread smoke through your home in a fire. (nest.com)
This can include such things as problems with carbon monoxide leaks, to a fall on poorly maintained stairwells. (trustedchoice.com)