CCengineer

3 ms·

1. 1.▲
   by CCengineer 13y ago

   The CO sensor in Nest is designed to last 7 years. The Nest has a built in timer that will start chirping after 7 years, forcing you to throw it away. Most modern CO alarms last 10 years. Nest chose the smaller sensor, which dies sooner. Ve
2. 2.▲
   by CCengineer 13y ago

   Like I said in another thread, I'm an engineer for a smoke alarm company; so my advice may be biased.... There are smoke alarm alternatives available, but they're very expensive. Nest is a high priced gadget / toy that must b
3. 3.▲
   by CCengineer 13y ago

   First, I'll preface this that I'm an engineer for a smoke alarm company, so I may be a bit biased. The simple answer is that the rules forbid a smoke alarm feature like you (and many others) would like. Fortunately, if you switch