Does Google Nest integrate with Home Assistant (2021)?

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We are already in the second half of 2021, and I haven’t written about the state of the Google Nest integration with Home Assistant for some time. The Google Nest integration covers the Google Nest Cam and the Google Nest Thermostat, along with its sensors. Google Nest smart speakers have always had a decent integration with Home Assistant, as they support casting media. Unfortunately, the Google Nest Protect smoke and carbon monoxide detector is not yet accessible.


Many things have changed since Google gave up the Works with Nest program and replaced it with the Smart Device Management (SDM) API. While the integration does cost a one-time fee of US$5, it is now back to where it once was.

In this short article, I will be detailing exactly which Google Nest devices can be integrated with Home Assistant and what function you will be gaining from doing so. Google’s Smart Device Management API should be here to stay, but as previous users of Google Reader, Google+, and Nest Secure (the list goes on) know, there is always a certain amount of uncertainty when it comes to Google’s services.

The new Google Nest Cam Outdoor

How does Google Nest integration with Home Assistant work?

Unfortunately, Google does not allow any local control of Nest’s hardware yet. For that reason, the integration with Home Assistant relies on cloud pushes. Although the integration will stop working whenever your internet goes down, it does receive a platinum score on the Integration Quality Scale. What that means for you, the user, are superfast reactions to changes and an excellent experience.

As already mentioned, the integration does require a payment of US$5. This is a one-time payment and not a monthly or yearly fee. But there is no way of avoiding the payment. To be fair to Google Nest, this is a much better way of handling things compared to what, for example, Wyze is currently doing. There is one more requirement you need to fulfil: You must access Home Assistant over SSL and a public top-level domain. Google rightfully does everything to protect your credentials.

Google Nest Thermostat
  • ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.
  • Includes a trim plate for installing your on wall and a steel plate for installing your smart thermostat over an electrical box.
  • Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home.

As you might know from integrating the Google Calendar with Home Assistant, it takes time to integrate Google’s products with Home Assistant. This is also true for the integration of Google Nest Cams, Thermostats, and sensors. The steps on how to set up the integration is detailed on the Home Assistant website.


Which Google Nest devices can integrate with Home Assistant?

All Google Nest Cams will be available to view in Home Assistant as a camera entity. Besides the Nest Cams, the camera stream from the Google Nest Hello Video Doorbell and the Google Nest Hub Max can also be viewed.

Google Nest Cam Outdoor
  • A 130° view shows your home in 1080P day and night.
  • The camera, camera cable, and adapter are all weatherproof.
  • Get activity alerts, so you know if anything happens while you’re away.

Besides being able to see what the camera is seeing, the integration with Google Nest pushes triggers to Home Assistant. These include events such as a Google Nest Cam detecting a person or motion, or someone pressing a Nest Doorbell.


The Google Nest Thermostat exposes a climate entity, which can be used to change the target temperature. You will also be able to see a temperature and humidity reading from the smart thermostats integrated sensors. The Google Nest integration does currently not pick up on extra sensors, only those that are integrated.

2 thoughts on “Does Google Nest integrate with Home Assistant (2021)?”

  1. We need more real competitors in the home automation device market. There’s actual demand for local smart devices that would respect privacy and not go through servers, open source devices and solutions that give users transparency and control over their hardware.

    Unfortunately I can’t really think of any big devices that exist like this right now…

    • Unfortunately, local control doesn’t sell subscriptions. And let’s be honest, us Home Assistant users are prepared to do everything on our own. But we are in the minority. Your “average” consumer does not want to set up an NVR when Google or Amazon can store all the files for you. Your “average” consumer doesn’t even know what RTSP or ONVIF is, let alone what to do with it. The list goes on…


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