Nest Protect: Smoke + CO alarm

Watch our installation video

Get help with your Nest Protect smoke and CO alarm. Watch our installation video, troubleshoot your Wi‑Fi connection, or learn more about different features.

Helpful tools

Make sure you get the right Nest Protect for your home or get in touch with a pro.

Battery vs wired
Battery vs wired
See which is right for you >
User's guide
User's guide
Get help when you need it >
Find a Pro
Find a Pro
Get a professional installation >

Top articles

    Installation Video

    Find out how to install and setup your Nest Protect.

    Install your Nest Protect

    Support articles

    Common questions about the Nest Protect, answered by the team that knows it inside and out.

    Safety notice
    Safety notice

    If you purchased your Nest Protect before June 2014, read
    this letter from our CEO >

    Contact us
    Contact us

    Call us at 855-469-6378. Our support team is available 24 hours 7 days a week.
    Get in touch >

    Find a Pro
    Find a Pro

    Don't like wires? Nest trained and certified installers are standing by. Find a pro >

    Works with Nest
    Works with Nest

    Nest can interact with all kinds of things in and around your home. See how >