⚡⚡⚡⚡Amazon Links:⚡⚡⚡⚡
Nest Protect Battery Operated: https://amzn.to/3qx439f
Nest protect Wired: https://amzn.to/3ELabA4

Blog post on these detectors: http://hometechdiy.com/nest-smoke-car...
Split Spectrum Sensor: https://support.google.com/googlenest...
Battery Operated User Manual: https://nest.com/support/images/misc-...
Hard Wired User Manual: https://nest.com/support/images/misc-...

Hey Guys,
Today we are replacing some old smoke and carbon monoxide detectors with new, interconnected ones from Nest. I’ll add them to the Nest app on my phone, give them a quick test and install them in my house. We’ll also look at a few of the app features and show you how it all works.
Why is interconnected important? Not only is it building code in some areas, it is one of the main reasons why I purchased these 4 Nest alarms. When one detector senses an alert, it will notify all the other detectors in other parts of the house and you'll get a phone notification.
In addition to being WiFi connected to your home network and Internet, they also create their own internal network just in case they lose connectivity with the WiFi or Internet. This allows them to work and communication with each other at all times.
For my project today, I have 4 devices; 2 wired and 2 battery powered. I will be installing one here on my main floor (to replace an old model). One here on my upper floor and the battery operated ones in a couple of bedrooms.
Traditional smoke alarms look for large smoke particles (from slower burning fires) using an 880 nanometer infrared wavelength. In addition to the 880nm, this device carries the 450nm wavelength detection commonly found with fast burning fires.
I'll add a link in the description where you can learn more about their split spectrum sensor unique to Nest's 2nd generation device here.
Nest does make it fairly simple to add each device to your account. Scan the QR code, give the detector a name, pull the battery contacts tab to wake up the device, connect it to your WiFi, and you're done.
When adding the remaining devices, you'll need to select a device that is already configured so that Nest can interconnect each device. Again, Nest does a great job of walking you though the setup steps.

All the detectors are added to my app. Let's run the test before starting the physical install. This can be done through the app or by pressing a button on one device twice.
Several functions are tested here such as the smoke and CO sensors, WiFi, Speaker, Horn, Light ring and the Interconnectivity. This will be loud, so you might want to decrease your volume for a second.
On the main page, I have a yellow status. When I click the yellow it tells me the power is out in 2 room. That’s the 2 wired devices which are expected to be hard-wired to my home’s electricity. Let’s get them installed.

Let's check out some of the app's features.
On the Protect screen, click the gear icon in the upper right
1. There is a “silencing alarms” option. You can silence the alarm using the button on the device but this option allows you to silence it using the app. If there is a lot of smoke detected, you will not be able to silence the alarm
2. If we click on one of the devices below you have 4 cool options
a. The “Pathway” will turn on a white light when it senses you walking by the device when it’s dark. It’s great in a hallway but not recommended for a bedroom because it will turn on while you sleep.
b. “Nightly Promise”, when cause the detector to glow green for a moment when you turn out the lights so you know the device is working fine.
c. The “Steam Check”, will ignore steam and not give you a false alarm. Great if you have a shower nearby.
d. Lastly, “Heads-Up”, give you a pre-alert that smoke has been detected before deafening you with alarms.

Alright guys, there you have it. I have upgraded my smoke and carbon monoxide detectors with brand new ones from Nest. I’m very happy with how easy they were to setup and install. I love the heads-up so my cats don’t freak out when alarms go off from me burning toast. The test feature is super easy to use and the voice notification doesn’t leave you guessing which device is alarming. Oh yeah, having all the alerts on your phone keeps me informed even if I am away from home. For me it was defiantly worth the upgrade and I highly recommend these for your own safety. Again, links are below and if you like this video, please give it a thumbs up and hit that subscribe button. Thanks for watching!