Best WiFi thermostat for Google Assistant 2021: which one to buy

Best WiFi thermostat for Google Assistant 2021: which one to buy

Have you purchased a Google Home voice assistant and would like to use it also to check the home temperature? Very simple, just replace your old thermostat with a WiFi thermostat compatible with Google Assistant! In this guide we will personally help you choose the one that best suits you, based on your budget and - of course - according to your heating system.


This aspect should not be underestimated precisely because not all thermostats are the same and each of them is specialized in the control of a specific type of heating system (gas, boiler or water). Here's why, before you see the best WiFi thermostats, it is better to clarify how they work and what their characteristics are.


Commands for Google Assistant

Here are some examples of commands you can give to your Google Home:

  • "OK Google, turn on the thermostat!"
  • "Hey Google, set the temperature to 20 ° C"
  • "OK Google, turn off the thermostat in the kitchen!"
  • "Hey Google, what's the temperature in the house?"

Best WiFi thermostat for Google chosen by us

Best thermostats for Google Assistant

Here they are the smart thermostats that we recommend you buy and that have particularly impressed us for theirs efficiency, ease of installation, reliability and the features offered. They also suit all budgets a little and we made sure to look for solutions for you compatible with your heating system (be it a boiler, radiator, stove or whatever). Here's what came out of it:


Decdeal WiFi

Are you looking for the cheapest smart thermostat ever? Here you are satisfied! Besides being controllable with an app that can remotely - it's obviously a WiFi thermostat compatibile con Google Assistant, Amazon Alexa ed IFTTT! In short, it is practically impossible to find better in this price range, and also the reviews of those who have already tested it, are positive and bode well for its reliability. There are two different versions, the first for gas and water boilers (therefore also radiators) and the second only for gas boilers.


Once you have replaced this smart thermostat on your old appliance, you will have a big display with a lot of information, which he is able to give also thanks to his Internet connection via WiFi. via the app or via voice command then, you can set timers, raise / lower the temperature or perform some daily / weekly schedules at your leisure.

BTicino Smarther SXW8002

Among the cheapest and most functional, it is Smarther SXW8002 it is one of the best ever! Sold both to be placed on the wall and built-in (and in the DIY or Professional versions), this thermostat with a futuristic and touch design enjoys a of 3 years warranty and many features all manageable too from its dedicated app and remotely thanks to its WiFi connection with the home modem. Despite being an old model, there is still the BTicino SX8000W, still definitely valid and above all a WiFi thermostat compatible with Amazon Alexa and Google Home, so if you need this compatibility we advise you to buy the new model. Installation is very simple because you only have to replace it for your thermostat.


Tado V3 + thermostat and climate management

Tado offers two systems for adjust the heating (via the thermostat with the Basic Kit V3) and the air conditioning (with the air conditioning manager) of your home. The air conditioning management system connects to your appliance - including Daikin, Mitsubishi, Panasonic, Toshiba, LG, General Electric, Samsung, Fujitsu - while the thermostat is compatible with 95% of home systems and also provides for addition of thermostatic valves.

They include tons of features, including: geolocation to find out if you are not at home and deactivate the systems, weather data (showing data as if they were weather stations), detection of open window, multi-zone regulation of the environments, intelligent programming, report of the savings obtained and integration with Smart Home platforms such as Amazon Alexa, Apple HomeKit, Google Assistant and IFTTT.


Netatmo by Starck

Netamo is one of the leading companies in the home automation sector and this thermostat combines ease of use with many features such as: voice control, intelligent heating based on the thermal characteristics of the house e programming on and off. It can be installed with the gas, oil, wood and heat pump boilers, or connected to radiators via Netatmo valves.

This is a WiFi thermostat compatible with Google Assistant, Amazon Alexa and Apple HomeKit and it is absolutely one of the best products on the market as regards the construction of these systems, despite the design is not very attractive or particularly rich in functions. But remember that it is only compatible with boilers, and that if you want to use it also for radiators you will have to purchase the Netatmo valves separately to be connected to the thermostat via the application.


Netatmo Kit Base

Also from Netamo, if your heating is entrusted to radiators, then with the basic kit, and additional valves, you can manage them all in a smart way, even via smartphone and remotely! Among the many functions there is also the detection of open windows, which will automatically turn off the valves in that room. The installation is very simple and the adjustment can be both manual and via app. The valves are compatible with the Starck seen earlier.

Honeywell T6

With an excellent quality / price ratio we also recommend this Honeywell T6 which, on the market for some years already, has conquered the homes of many people (especially judging by the many positive reviews). Its strong point is undoubtedly the compact and minimal design, combined with an interface with touch display and its smart component.


The WiFi connection makes it remotely controllable - as with all smart thermostats - but in this case there is also integration with Amazon Alexa, Google Assistant ed Apple HomeKit with which you can control the thermostat thanks to a simple voice command!

Among the most interesting features is the programma geo-fencing which, using the location functions of your smartphone, can understand when the house is empty or when you are returning and automatically adjusts the room temperature.

Hive Thermostat

Another renowned WiFi thermostat compatible with Google Assistant and Amazon Alexa is Hive Thermostat, a smart thermostat with a very particular and elegant design that can be used to control your boiler. It has a very particular functioning because the thermostat and a HUB will arrive at home, that is a device to be installed on the side (instead of your old thermostat). The HUB must then be connected to the wall by powering it and connecting the boiler pipes to it, while the thermostat can be placed in any corner of the house and it does not need to be embedded in the wall. The latter will take care of "communicating" with the wall HUB and give it your orders to control the temperature and manage the home climate.

There are two versions, which we have linked to you above, depending on how experienced or not you are in assembling a thermostat: the second version is in fact more expensive but integrates a professional installation service through a code that you will find in the package, with which you can request the help of an expert for the installation of the thermostat.

What a "smart" thermostat can do

The thermostat is an electronic device capable of perceiving the temperature and its variation. Its circuit behaves exactly like a switch which activates and deactivates the device to which it is connected (for example a radiator) based on the temperature you set. It will activate to bring the temperature to the desired level - for example 22 degrees centigrade - and when it is reached it switches off to save energy.

At this point the temperature will obviously start to drop but the thermostat it will reactivate again at a certain point, thus keeping the environment in a desired temperature range. But what more do smart thermostats have? These appliances, in addition to being connected with us and easily manageable remotely, they are equipped with special sensors that make them autonomous and save energy. They may for example:

  • Command the heating system depending on whether it is a boiler, gas or water system (radiators), but each thermostat is specific for the use of one or more certain systems, so be careful what you buy!
  • Adjust the temperature of each room independently and depending on the type of room. For example, you can set a higher temperature in bedrooms and bathrooms, lower in the kitchen or in larger or less used living rooms;
  • Switch off when you are not there thanks to the connection with a dedicated app which, using the GPS of your smartphone, will indicate to the thermostat that you are no longer at home and there will be no need to heat / cool the rooms;
  • Turn on when you are not there with a simple tap on your smartphone, so as to go home and find it at the desired temperature;
  • Daily programming for switching on and off according to your habits, thus creating an intelligent weekly schedule suited to your lifestyle;
  • Leverage your sensors sensing, in addition to the temperature, the air pressure, humidity or even if a window has been opened, automatically turning off the heating in that room;
  • Voice or remote commands (remotely) via a smartphone app or via a voice command given to your Google Home voice assistant.

These were some of the smart features of the smart thermostats that you can take advantage of. All that remains is to get to the heart of this guide and see which are the best to buy.

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