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The 10 Best Smart Thermostats

Matt McIntyre



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
Nest Learning Thermostat (3rd Generation)
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01/28/2022 03:57 pm GMT


10. Johnson Controls – GLAS Smart Thermostat

Best Smart Thermostat For Air Quality Monitoring
Johnson Controls GLAS Smart Thermostat
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01/28/2022 12:32 pm GMT

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


  • App can be slow
  • Expensive


9. Bosch – Smart Thermostat

Best Wi-Fi Smart Thermostat For Beginners
Bosch Smart Thermostat
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01/28/2022 05:43 pm GMT

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
Vine Smart Thermostat
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01/28/2022 07:03 pm GMT

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
Emerson Sensi Smart Thermostat ST55
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01/28/2022 08:43 pm GMT
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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 
Nest Thermostat E
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01/28/2022 02:27 am GMT

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
Emerson Sensi Touch Smart Thermostat
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01/28/2022 02:32 pm GMT

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
Nest Smart Thermostat
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01/28/2022 02:57 am GMT

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 you’re considering scaling up your smart home rig.

The mirrored display also stands out as a step-up from previous models and beats the frosted plastic design of other models, hands down.

Bottom Line

Nest’s range of smart devices are among the most respected on the market, and their smart thermostat is no exception, delivering premium-level features at a fraction of the cost.


  • Great price
  • Improved design
  • Works with Alexa and Google Assistant


  • Siri unsupported
  • No geofencing
  • No zonal heating control


3. Ecobee – Lite Smart Thermostat

Best Introduction To Smart Thermostat Motion Sensors
Ecobee Smart Thermostat
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01/28/2022 04:07 am GMT
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Ecobee certainly doesn’t have the pedigree associated with the Hive/Google smart thermostats, but its track record with consumers is second to none.

Control is simple through the included app, while the range of features — including the ability to hook up to motion sensors — makes it more versatile than many other smart thermostats in its price range.

Perhaps the biggest draw to the Ecobee Lite smart thermostat is the wide range of other devices it can work with.

This smart thermostat can work with Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, and Wink.

Oh, and it’s also compatible with IFTTT, so the chances of having any issues with your existing smart home ecosystem are slim to none.

One downside to the Ecobee Lite smart thermostat is its lack of geofencing functions and limited advanced features.

But at this price, what it does deliver is perfect for those not willing to spend the extra cash required to go fully premium.

Bottom Line

A neat, efficient smart thermostat from a brand with experience in the field.

The Ecobee Lite smart thermostat’s convenient controls and range of smart features have made this a great seller. 


  • Excellent app
  • Remote sensor connectivity
  • Decent smart home integration options


  • Lacks geofencing
  • On-board microphone has some privacy concerns


2. Honeywell – Home Smart Thermostat

Best Entry Level Smart Thermostat
Honeywell Home Thermostat
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01/28/2022 03:28 pm GMT

The penultimate smart thermostat in this breakdown of the 10 best smart thermostats comes from Honeywell.

This company has been around for over 100 years and was founded by Albert Butz, who invented the thermostats used to control coal furnaces.

With this extensive background in the field, Honeywell’s Home Smart Thermostat predictably delivers on quality and accuracy.

It’s also compatible with a range of smart assistant devices, including the main players such as Alexa and Google Assistant and less commonly used assistants such as Samsung SmartThings and Microsoft Cortana.

It can also adjust your energy use based on the prices you’re being charged, which is a handy feature if energy conservation is just as important to you as controlling your home’s temperature without leaving the comfort of your chair.

Bottom Line

Solid performance and an instinctive to use app makes the Honeywell smart thermostat a superb entry-level thermostat that should pay for itself by saving energy over time.


  • Energy-star certified
  • Compatible with a nice selection of smart technology
  • Adjusts usage based on pricing
  • Easy to read display


  • Lacks geofencing
  • No AI learning


1. Nest – Learning Thermostat (3rd Generation)

Best Smart Thermostat Overall
Nest Learning Thermostat (3rd Generation)
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01/28/2022 03:57 pm GMT

If you’re after the granddaddy of smart thermostats, look no further than the third-generation Nest Learning Thermostat.

This is the best smart thermostat for those looking for cutting-edge technology, featuring all the bells and whistles you can think of.

As you’d expect, the best thermostat on the market doesn’t come cheap, but in terms of value for money, it’s something of a bargain when the range of features is considered.

Few smart thermostats come with anything close to this range of settings, although the complicated installation process means you might want to consider hiring a professional.

This is a truly smart thermostat, with everything from AI learning to adjustable patterns as it gets to know your routines to geofencing/GPS tracking to make sure the kitchen is warm for your return home.

Bottom Line

Top-of-the-line smart thermostats come at a price, but the Nest Learning Thermostat has earned its spot at the top of the hierarchy for those looking to get the best for their money.


  • Attractive design
  • Easy to operate
  • AI learning allows it to adapt over time
  • Support for Alexa, Google Home, and IFTTT
  • Can interact with other Nest devices


  • Pricey
  • Requires a professional to install
  • No Apple HomeKit support


FAQs About Smart Thermostats

Still feel like you’re left out in the cold when it comes to what you can expect from the best smart thermostats?

Read our answers to these frequently asked questions, and hopefully, we’ll thaw any doubts you have about investing in these cool smart devices.


Q: Is it worth getting a smart thermostat?

Absolutely. A smart thermostat not only makes it much easier to control the temperature of your home, but it can also bring you some great potential savings on your heating bills.

While everyone has different requirements for a smart thermostat best suited to their smart home, the range of choices available means there’s a smart thermostat out there just for you.


Q: What is the point of a smart thermostat?

Unlike a regular thermostat, smart thermostats offer full control from your mobile phone, tablet, or other devices which you can connect to the internet.

The best smart thermostats even offer zoning, which means you can fine-tune your heating on a room-to-room basis.


Q: How does a smart thermostat work?

Smart thermostats work by connecting your heating system to the internet through your Wi-Fi connection so that you can control your heating remotely on your device of choice.

Some smart thermostats offer a range of other options, for instance, sending you notifications to warn you of temperature alerts and can even learn your routines through AI to adjust the temperature automatically.


Q: How do I control my smart thermostat?

Smart thermostats can be controlled either from the thermostat’s device or from your device, such as a mobile phone.

When choosing the best smart thermostat, you need to ensure that it is compatible with your existing smart home setup.

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For instance, if you’re using Apple’s HomeKit, make sure the smart thermostat can connect to this service.


Q: What are the advantages of a smart thermostat?

Smart thermostats offer a range of advantages over a traditional central heating setup.

The basic smart thermostats will allow users to control the heat of their home as one central block, as well as setting timers and schedules.

For example, different routines can be programmed for weekdays and weekends to match the times you get out of bed.

The best smart thermostats bring in a whole host of additional features.

These include zoning so that you can control individual rooms and geofencing, which knows when you’re on the way home and can put the heating on ready for you.

Additional smart home integration lets you sync them with other devices such as motion sensors for even greater versatility.


Q: What are the disadvantages of a smart thermostat?

While smart thermostats offer a great range of controls, they aren’t for everyone.

First, you’ll need to check if your current heating is compatible with the devices, and the cost of installation is also something you’ll need to consider.

While some smart thermostats can be set up in minutes, others will require a professional to come round and install them.

Programming the more advanced smart thermostats can also be time-consuming, and if you haven’t got the patience for this, it’s another disadvantage to consider.

If you live alone and work from home, chances are you’re not going to require the kind of nuanced control the best smart thermostats provide, either.


Q: Does a smart thermostat make a difference?

The additional scope a smart thermostat brings to controlling the temperature of your home absolutely makes a difference.

Some of the more advanced features, such as detecting when a window is open or turning up the heat to prevent your pipes from freezing over in the winter, can save a lot of hassle and money.

And as with any other smart device, the more you put into getting your head around its features, the more difference it will make in your life.


Q: What is the difference between a smart thermostat and a programmable thermostat?

When using a standard programmable thermostat, you can set a pre-programmed daily and weekly schedule to adjust the temperature in your home.

Programmable thermostats can be tricky to use properly, and smart thermostats solve the issues these devices have.


Q: Do you need Wi-Fi for a smart thermostat?

The (very) short answer is yes.

While you’ll still be able to use the main thermostat control to adjust the temperature, unlock all the additional features, and access your heating via your phone, you’ll need a Wi-Fi connection.

If you don’t have a Wi-Fi connection in your home (which is unlikely), you’ll have to make do with a more traditional programmable thermostat. 


Q: How long do smart thermostats last?

Smart thermostats are durable bits of kit, and the average device can be expected to last you somewhere in the region of 10 years.

It’s worth checking the warranty on your smart thermostat to make sure you’re aware of when you’ll need to consider servicing your equipment.

If you think there’s a problem with an old smart thermostat set up, you should look into troubleshooting the device for any issues.

If the temperature settings suddenly don’t feel right, or radiators aren’t turning on when they should, conduct the necessary checks to see if you can isolate the problem and get it fixed.


Q: Can a smart thermostat detect room occupancy?

If you want to set up your smart thermostat to detect room occupancy, you’ll need to pair the device with motion sensors.

These will notice whenever someone is in the room so you can program your smart thermostat to behave accordingly.

You’ll need to check to make sure your smart thermostat is compatible with the relevant smart home device ecosystem, too.


Q: Are smart thermostats hard to install?

Smart thermostats are relatively easy to install, provided you follow the installation guidelines carefully to avoid making any mistakes.

For most smart thermostats, you’ll need to switch off the entire HVAC system at the breaker panel, and there will be some wiring required to set up your new thermostat on the wall.

In some cases, professional installers will visit your home and get everything set up for you, but this depends on which smart thermostat you choose to install.


Q: Are smart thermostats really worth it?

Smart thermostats earn their worth on two key metrics: convenience and cost-saving.

If you’re looking for a flexible home heating system that learns your habits and can be easily programmed, the benefits absolutely make these a worthwhile purchase.

While the energy-saving implications of using a smart home are a little murky, there’s no doubt a greater degree of climate control means that your energy bills are likely to go down. 



With a wide range of smart thermostats available to choose from, making sure you invest in the one which matches your needs and fits your budget can be headache-inducing.

This guide should set you well on the way to making the best decision for your new smart thermostat, whether it’s your first time buying one or if you’re upgrading to a better model.

Best Smart Thermostat Overall
Nest Learning Thermostat (3rd Generation)
Check Price On Amazon
We earn a commission if you click this link and make a purchase at no additional cost to you.
01/28/2022 03:57 pm GMT

Here’s a quick recap of the 10 best smart thermostats:

  1. Nest – Learning Thermostat (3rd Generation)
  2. Honeywell – Home Smart Thermostat
  3. Ecobee – Lite Smart Thermostat
  4. Nest – Smart Thermostat
  5. Emerson – Sensi Touch Smart Thermostat
  6. Nest E – Smart Thermostat
  7. Emerson – Sensi Smart Thermostat ST55
  8. Vine – Smart Thermostat
  9. Bosch – Smart Thermostat
  10. Johnson Controls – GLAS Smart Thermostat

What’s your favorite smart thermostat? Leave a comment below.

Matt McIntyre is a digital marketing consultant and certified marketing strategist. When he's not talking about business or marketing, you'll find him in the gym.

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