The 10 Best Smart Thermostats


What are the best smart thermostats? 

Smart thermostats are among the most popular devices in the smart device ecosphere.

Granting users the ability to remotely adjust room temperatures, as well as set up schedules to match their daily routines, makes the winter months transform from a shivering walk to the bathroom into a cozy treat.

The best smart thermostat devices bring a whole new level of control.

Features now include room zoning and geofencing, allowing you to get specific with how heat is distributed through your home and automatically turn the heating on when you’re nearly home.

These features represent a radical improvement over traditional programmable thermostats.

Choosing the best Wi-Fi thermostat can be a tricky process.

Understanding your needs and deciding on a smart thermostat that fits your existing smart ecosystem can mean wading through dozens of product reviews.

That’s why we’ve taken the time to put together this list of our top recommendations for the best smart thermostats.

Read on to discover the best smart thermostats for your budget and requirements.


The Best Smart Thermostats Compared

Our tech lists are created by researching the best-reviewed products from the most reputable web sources.

Here’s our list of the 10 best smart thermostats:


In A Rush? Here’s Our Top Pick:

Best Smart Thermostat Overall


10. Johnson Controls – GLAS Smart Thermostat

Best Smart Thermostat For Air Quality Monitoring

There’s no doubt that the GLAS smart thermostat from Johnson Controls offers consumers one of the best-looking control panels on the market.

This OLED touchscreen control is crisp and responsive and is sure to look fantastic on any wall.

The GLAS smart thermostat also offers a wealth of control options for those looking to set up nuanced heating and cooling patterns throughout their home.

Additionally, air quality control monitoring options can detect changes in humidity, total VOCs, and equivalent CO2. 

Despite its complexity, it’s an easy-to-use bit of kit, too, so you won’t have to worry about spending hours learning how to set everything up.

It does require a C-wire to install, so make sure you’re aware of any compatibility issues you may have with your existing heating installation.

Bottom Line

The high price point of the Johnson Controls’ GLAS smart thermostat might be a turn-off for those making their first venture into the world of smart thermostats, but for people looking for high-quality tech with a great range of options, it’s worth the investment.


  • Simple installation
  • Neat control panel and OLED user interface
  • Monitors air quality
  • Cortana speaker functionality



9. Bosch – Smart Thermostat

Best Wi-Fi Smart Thermostat For Beginners

Not everyone needs all the bells and whistles offered with the premium smart thermostats, and if this is the first time you’ve invested in a smart thermostat setup, you might be considering something more simple.

The Bosch smart thermostat offers a basic rig that is easy to use with a range of useful features.

Heating can be controlled via the 5-inch color touch screen or by using a mobile app on your phone, and there’s added Alexa integration for those building up their smart home ecosystem.

It can also control a dehumidifier, giving you an additional level of control over your environment.

Bosch’s smart thermostat allows users to perform various functions via the app, including choosing from various heating modes such as Heat, Cool, Auto, and Emergency Heat.

Bottom Line

The Bosch smart thermostat is a solid entry-level thermostat that is intuitive to use and easy to install.

It comes with a solid range of features to get you started on your smart thermostat journey.


  • Quick installation
  • Easy to use
  • Delivers threshold alerts


  •  No geofencing option
  • Limited integration with other smart home devices
  • Lacks IFTTT support


8. Vine – Smart Thermostat

Best Smart Thermostat On A Budget

While the premium-level smart thermostats can clock in at well over $250, Vine’s smart thermostat brings the price down to an affordable level for those on a tighter budget.

It may be a budget price smart thermostat, but that doesn’t mean it sacrifices functionality and ease of use.

All the standard features expected from a smart thermostat system are included in the package.

Remote temperature control, schedules, and other actions are controlled via your phone’s app, and the Vine smart thermostat also supports Google Assistant and Alexa.

The relatively low investment required to set up a Vine smart thermostat set up means that the money-saving benefits are even more attractive.

Vine claims that installing their device will save consumers over 20% on HVAC expenses, so if your current energy bills are high, the investment could be well worth considering.

Bottom Line

If you’re looking for a smart thermostat on a budget, there’s plenty to recommend about the Vine smart thermostat.

While it may be basic compared to the best smart thermostats, it’s a comprehensive package for a fraction of the price.


  • Supports Alexa and Google Assistant
  • Great value for money
  • Easy to install


  • Limited range of features
  • Lacks support for a wider smart home ecosystem


7. Emerson – Sensi Smart Thermostat ST55

Best Mid-Range Smart Thermostat

The Emerson Sensi smart thermostat ST55 sits in the middle of the pack in terms of installation price.

As such, it represents a solid investment for someone looking for a smart thermostat that delivers solid performance with an eye for better quality.

Emerson’s smart thermostat gets consistent five-star reviews from customers, and this track record is reflected in the range of smart features it can bring to a home automation system.

The basic tools are all covered, from remote temperature control via your mobile phone app to complicated schedules to suit your various habits and routines.

There are also decent sensing capabilities, and the Emerson Sensi smart thermostat offers support for geofencing at a reasonable price.

The wall-mounted unit might not be the most aesthetically pleasing on the market, but as far as mid-range budget smart thermostats go, it still offers all the functionality you’ll need.

Bottom Line

The Emerson Sensi smart thermostat ST55 is a great way to upgrade your smart heating rig from the more basic options, or if you have a little extra cash but don’t want to go the full hog for a top of the line premium smart thermostat, this serves as a quality introduction to the market.


  • Works with Alexa
  • Great value for money
  • Easy to use app


  • No algorithmic learning
  • Device is plain-looking
  • No occupancy sensor


6. Nest – Thermostat E

Best Smart Thermostat For Versatility 

It’s no surprise that Nest’s range of smart thermostats are widely considered among the best available.

The company is a Google subsidiary, so they have a great deal of technical know-how backing their brand, reflected in the incredible quality and range of options available in the Nest ecosystem.

The Nest Thermostat E comes in cheaper than its rivals, and while it doesn’t have the same versatility as the high-end Nest smart thermostats, it doesn’t skimp on the brand’s overall quality.

Indeed, this is an affordable, slimline version of the Nest Learning Thermostat, so you know you’re getting a quality product. 

The puck-shaped device that comes in the package is a little smaller than most wall-mounted control panels, but day-to-day use isn’t impacted (and most of the time, you’ll be using the mobile app, which is nice and intuitive).

Bottom Line

If you find the Nest smart thermostat range appealing but don’t want to jump straight into their flagship third-generation Nest Learning Thermostat, the Nest Thermostat E offers a suitable compromise on price versus features without sacrificing quality control.


  • Fantastic app
  • Smart learning
  • A budget alternative compared to Nest Learning devices
  • Alexa & Google Assistant-Enabled 


  • Incompatible with some HVAC systems
  • Display can be tricky to read


5. Emerson – Sensi Touch Smart Thermostat

Best All-Round Smart Thermostat

The second smart thermostat we’re featuring in this guide to come from Emerson is the Sensi Touch Wi-Fi Smart Thermostat ST75, a step-up in quality and options compared to the more modestly priced ST55. 

Alexa’s compatibility combined with the slick-looking full-color display which comes out of the box makes this smart thermostat a professional gadget.

Voice and phone control means you can make temperature adjustments easily, while temperature and humidity alerts help you manage your home environment with greater subtlety.

Programming the Emerson ST75 smart thermostat is simple, while the advanced settings also include the option to adjust circulating fan settings.

It’s relatively easy to install, too, albeit with a few low-voltage wires to work with.

Bottom Line

This is a versatile, well-performing smart thermostat with a nice range of compatibility if you’re introducing a smart thermostat to a pre-existing smart home system. 


  • Supports Apple HomeKit, Google Assistant, and Alexa
  • Reasonable price
  • Intuitive control panel
  • Delivers usage reports


  • Lacks IFTTT support
  • No remote sensing capability 


4. Nest – Smart Thermostat

Best Premium Smart Thermostat On A Budget

Returning once again to the Nest product range, this time for the Nest Smart Thermostat, which takes the basic features from previous Nest thermostats, throws in a few improvements and brings it to consumers at an affordable price.

The control panel is slimmer than other Nest smart thermostats, with controls configured on the right-hand side, so if you’re a lefty, this might be something to bear in mind.

While it lacks built-in speakers, if you’re looking to control this with voice commands, there’s ample support for existing home smart speakers, including Alexa, Google Assistant, and the Google Home app.

The attractive price point of the Nest Smart Thermostat means that it’s a great option if…


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