Smart thermostats can save you money and make running your home just that much easier. By automating how you heat your home and making heat control remotely accessible, you can always adjust the temperature of your house without even needing to be in it.

How to tell which is the best smart heating thermostat for your home? With so many different options, it can be difficult to discern which is the “smartest” thermostat for your home.

Below our heating engineers have reviewed the top five smart thermostats available to help you figure out what features you want before starting the buying process. Our picks will be kind on both the environment and your wallet. Plus, we want to ensure that your initial investment was the right and only choice you needed to make.

Read on for our expert reviews of the best smart thermostats available. Check the latest prices to ensure you get a great deal!

Our Top Picks

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Nest Third Generation Learning Thermostat

Nest Third Generation Learning Thermostat

Beautiful in design. Available in black, white or copper and is small and sleek in shape. Read more

Honeywell Smart Thermostat

Honeywell Smart Thermostat

This thermostat can fit perfectly into your home with its modern design. Read more

Tado Smart Thermostat

Tado Smart Thermostat

The Tado Smart Thermostats V3+ isn’t just a thermostat but a climate assistant. Read more

Hive Active Heating Multizone Additional Smart Thermostat

Hive Active Heating Multizone Additional Smart Thermostat

If you have multiple thermostats throughout your home and want to control them separately, the Hive Active Multizone additional smart thermostat can help. Read more

SALUS Internet Controlled Thermostat

SALUS Internet Controlled Thermostat

The SALUS Thermostat allows you to control your heating and your hot water from anywhere via your smartphone or laptop. Read more

5 Best Smart Thermostats

1. Nest Third Generation Learning Thermostat

Nest Third Generation Learning Thermostat

This is the third generation Nest Learning Thermostat, and it is beautiful in design. Available in black, white or copper, it is small and sleek in shape. The discrete design means you can mount the Nest thermostat on the wall or on a stand on a shelf and have it blend into your home decor.

The display is sharp and large, so it is easy to read from anywhere in a room. The product will learn what settings you prefer during which times of the day and program itself accordingly. Nest also built this gadget with a smart home in mind, so you can even use the device to control your hot water.

Unlike some smart thermostat manufacturers, Nest also doesn’t require a subscription for their app. The initial investment is all you need.

Key Specs:

  • 22.7g
  • 84 x 32 x 84 cm
  • High resolution coloured screen, with 480 x 480 resolution
  • Compatible with almost all heating systems

Pros:

  • Lightweight
  • Small, circular design
  • Battery-powered – with rechargeable battery included
  • Controls hot water
  • No subscription required for the app
  • Can be ordered with installation from Amazon

Cons:

  • The stand needs to be purchased separately
  • To use remote access your phone will need to have iOS 8 or later or Android 4 or later.
  • Energy savings not assured and depend on usage and other factors

2. Honeywell Smart Thermostat

Honeywell Smart Thermostat

This thermostat can fit perfectly into your home with its modern design. The LCD screen has a dynamic text display, giving you accurate feedback on your energy usage. It is also connectable to Smart Home and Apple Kit. You can program the Honeywell to fit your schedule whether it be 7 days a week, 5-2- or single-day scheduling. It also has a number of features to optimise the energy-efficiency of your home.

This thermostat also can use your phone’s location through the Honeywell app to detect when your home is vacant or when you are coming closer to home. Using this data, it will adjust the temperature accordingly to prepare for your arrival.

Key Specs:

  • 200g
  • 10.3 x 6.8 x 10.3 cm
  • Touch-screen interface
  • Apple Home Kit ready and work with Google Home

Pros:

  • Compact
  • Simple to use touch-screen interface
  • Can be wall-mounted or placed on a stand
  • Wireless (wireless receiver included)
  • Works with Apple Home Kit, Google Home, and IFTTT
  • Power cables included – both 3 pin UK plug and 2 pin European plug attachments
  • Can be ordered with installation from Amazon
  • No subscription required for the app

Cons:

  • Requires connection to the mains
  • Only has 6 time slots per day
  • Apple device requires iOS 8.1 or later

3. Tado Smart Thermostat

Tado Smart Thermostat

The Tado Smart Thermostats V3+ isn’t just a thermostat but a climate assistant. You can control the heating from anywhere through your phone. Plus, you can seamlessly integrate it into your smart home if you have any other smart features.

With this system, you get added features, too. The thermostat can actually make your home healthier as it detects air cleanliness. For users with any respiratory or allergy issues, this is a great choice.

This system gets a lot of positive feedback from online reviews, with people saying that the base product, even without additions, works wonderfully. It’s especially handy if you have an irregular schedule and need to be able to control the heating in a pinch. Also, the app itself gets a lot of praise for how easy it is to use.

Key Specs:

  • 472g
  • 10.4 x 10.4 1.9 cm
  • Battery-powered
  • Compatible with – Amazon Alexa, Apple Home Kit, Google Assistant, and IFTTT
  • Works with 95% of heating systems

Pros:

  • Auto-assist automates the Geofencing and Open Window Detection features
  • Weather adaptation which automatically adjusts to outside temperatures
  • Multi-room control
  • Batteries included
  • Hot water controls
  • Reports on your home to help you save energy
  • Healthier home environment as it monitors the air in your home
  • Can be ordered with installation from Amazon
  • Auto- assist comes with a monthly subscription through the app

Cons:

  • Not compatible with Electric heating
  • Extra products are available to supplement your starter kit, but they all cost extra
  • Other than those included, does not come with additional batteries

4. Hive Active Heating Multizone Additional Smart Thermostat

Hive Active Heating Multizone Additional Smart Thermostat

If you have multiple thermostats throughout your home and want to control them separately, the Hive Active Multizone additional smart thermostat can help. For this product, you just need to buy a Hive Active thermostat and upgrade to the Hive Multizone. From there, you’ll be able to divide your home into heating zones.

Through the app, you can control your upstairs and downstairs heating from your phone and set them at two different temperatures. The majority of people report positive experiences with the system. It is easy to install and a simple way to upgrade your existing system.

Key Specs:

  • 599g
  • 12.2 x 11.8 x 11 cm
  • Battery-powered
  • Zonal heating – you don’t have to heat your whole home

Pros:

  • You can set a target for temperature
  • Can work to your Hive Active heating and Hive Hub if you already own these products
  • Can be ordered with installation from Amazon
  • Comes with the receiver
  • No subscription required for the app
  • A good way to upgrade any existing Hive system you may have

Cons:

  • Not compatible with electric heating systems or electric underfloor heating
  • Requires existing Hive thermostat to take advantage of the multi-zone capabilities
  • Only covers heating and not control of hot water

5. SALUS Internet Controlled Thermostat

SALUS Internet Controlled Thermostat

The SALUS Thermostat allows you to control your heating and your hot water from anywhere via your smartphone or laptop. The system is wireless, making it easy to install. It comes with the receiver in the packaging. Multiple people can log into the system so anyone in your household can check the thermostat and alter the house temperature.

Some people report connectivity issues, but once the system is set and working, it works flawlessly according to reviews. Most people are impressed by how easy the app is to use. Once the Hive is set up, you can control not only your heating but also fans and lights.

Key Specs:

  • 988g
  • 10.2 x 17.5 x 20.8 cm
  • Battery power
  • Wireless
  • Touch screen display

Pros:

  • Battery-powered with batteries included
  • Can be ordered with installation from Amazon
  • Easy to install
  • Compatible with smartphones and PCs
  • Can connect to existing broadband
  • Wall or surface mountable
  • Controls both heating and hot water

Cons:

  • Relatively large compared to other thermostats
  • Surface mount sold separately
  • Wall mounting kit not included in the box

Comparing Key Specifications and Features

When optimising your home’s heating efficiency and embracing smart technology, choosing the right smart thermostat is a pivotal decision. With many options available, each boasting a unique set of features and capabilities, it can be challenging to discern which thermostat best suits your needs. To aid in your selection process, we’ve compiled a detailed comparison.

The table below lists specifications and features from leading smart thermostat models. From weight and dimensions to compatibility and energy-saving potential, we’ve distilled the essential information to help you understand how each model measures up against the others. Whether you’re looking for a device with the most straightforward installation, the best compatibility with smart home systems, or the most user-friendly interface, this comparison will provide a clear, concise breakdown.

Explore the table to find a thermostat that aligns with your lifestyle, enhances your home’s comfort, and contributes to a more energy-efficient future.

FeatureNest Third GenerationHoneywell Smart ThermostatTado Smart ThermostatHive Active Heating MultizoneSALUS Internet Controlled
Weight22.7g200g472g599g988g
Dimensions8.4 x 3.2 x 8.4 cm10.3 x 6.8 x 10.3 cm10.4 x 10.4 x 1.9 cm12.2 x 11.8 x 11 cm10.2 x 17.5 x 20.8 cm
BatteryRechargeable (included)Requires mains connectionBatteries includedBattery-poweredBattery-powered (included)
CompatibilityAlmost all heating systemsSmart Home, Apple KitAmazon Alexa, Apple Home Kit, Google Assistant, IFTTTHive Active heating and Hive HubSmartphones, PCs
Unique FeaturesLearns and programs itself, controls hot waterDynamic text display, energy usage feedbackAir cleanliness detection, weather adaptationZonal heating controlControls heating and hot water, easy app use
Energy Savings PotentialNot specifiedNot specifiedNot specifiedNot specifiedNot specified
InstallationCan be ordered with installationCan be ordered with installationCan be ordered with installationCan be ordered with installationCan be ordered with installation
Subscription RequiredNoNoYes, for Auto-assistNoNo
Remote AccessiOS 8 or later, Android 4 or lateriOS 8.1 or laterCompatible with most systemsRequires Hive systemCompatible with smartphones and PCs
DesignSmall, sleek, discreteModern, compactClimate assistant, multi-room controlSeparate control for multiple zonesLarge, wall or surface mountable

Smart Thermostat Buying Guide

Welcome to our guide designed to help you navigate the complexities of choosing the perfect smart thermostat for your home. We aim to provide you with a resource that is informative but also trustworthy and user-centric, ensuring that you make a decision that is well-informed and tailored to your specific needs.

Key Takeaways

  • Before purchasing a smart thermostat, ensure compatibility with your home setup for functionality and efficiency.
  • Smart thermostats offer energy savings and customised comfort through scheduling and energy management.
  • Choose a thermostat with remote access for flexibility and insightful energy monitoring to lower energy bills.

The Evolution of Smart Thermostats

Smart thermostats have come a long way since their inception, with each new model boasting advancements that push the boundaries of comfort, convenience, and energy efficiency. Let’s explore the evolutionary strides that our top smart thermostat picks have made.

Nest Third Generation Learning Thermostat

The Nest Learning Thermostat has undergone several iterations, with the third generation introducing a slimmer profile and a larger, crisper display. The hallmark of Nest’s evolution is its learning capabilities, which have been refined to adapt to your schedule and temperature preferences more efficiently than ever before. The third generation also enhances user interaction with Farsight, a feature that displays the temperature or time on the screen from across the room.

Honeywell Smart Thermostat

Honeywell’s smart thermostats have consistently improved in user interface design and functionality. The latest models feature a more intuitive touchscreen display, allowing for easier scheduling and adjustments. Honeywell has also expanded its smart home integration, offering compatibility with a wider range of devices and platforms for a more interconnected home experience.

Tado Smart Thermostat

Smart ThermostatTado has made significant improvements in its multi-room control and geofencing technology. The latest models offer more precise control over individual room temperatures and have improved the accuracy of their geofencing, ensuring your home is always at the perfect temperature when you arrive while saving energy when you’re away.

Hive Active Heating Multizone

Hive’s most recent updates have focused on enhancing the user experience with a more intuitive app interface and increased zonal control. The latest models allow for more granular control of different heating zones within your home, providing both comfort and energy savings by heating only the areas that are in use.

SALUS Internet Controlled Thermostat

The evolution of SALUS thermostats has seen improvements in connectivity and control. The latest models boast a higher success rate in connecting to home Wi-Fi networks and offer more robust scheduling features. The user interface has also been streamlined, making it easier to manage their heating and hot water settings from anywhere.

Factors to Consider When Choosing Smart Thermostats

Ensuring Compatibility

Before exploring the advanced features of smart thermostats, it’s essential to establish their compatibility with your current home setup. This foundational step is crucial for the functionality and efficiency of your heating system. To avoid the inconvenience of an incompatible device, we recommend consulting with a certified technician or using the compatibility tools available on manufacturers’ websites. This proactive approach will ensure that your desired thermostat can seamlessly integrate into your home.

Display and Interaction

The interface of your thermostat is a crucial aspect of your interaction with the device. Whether you prefer a large, easy-to-read display or a subtle, backlit screen, the right display can make all the difference in the usability of your thermostat. Consider the needs of all individuals who will interact with the thermostat. Options that cater to various preferences and abilities will ensure that the device is user-friendly for every member of your household.

Remote Access

The modern lifestyle demands flexibility, and a smart thermostat with remote access capabilities offers just that. With the ability to adjust settings via a smartphone app, you can ensure your home’s climate is always to your liking, no matter where you are. Remote access is not just about convenience; it’s about maintaining control and constant comfort. Whether at work or on holiday, you can adjust your home’s temperature to accommodate your return.

Insightful Energy Monitoring

Smart ThermostatA standout feature of smart thermostats is their ability to provide detailed insights into your energy consumption. This information is key to making informed decisions that lead to lower energy bills and a reduced environmental impact. With data on how and when you use energy, you can adjust your habits to maximise savings and minimise waste, all while maintaining a comfortable home environment.

Unique Features

Some smart thermostats offer features beyond basic temperature control, such as weather forecasts or energy price alerts. While not essential for everyone, these additional features can provide convenience and enhance your overall experience. The ability to customise your thermostat’s display or receive timely maintenance reminders can significantly improve the user experience. Consider which unique features might align with your lifestyle and add value to your daily routine.

Our Expertise in Smart Thermostats

At Heat Pump Source, we understand the critical role of smart thermostats in the efficiency and comfort of your home. Our expert team has conducted extensive hands-on testing and research. We aim to provide you with transparent, evidence-based insights that stem from our industry expertise and years of experience.

Why Trust Our Reviews?

  • Industry Expertise: Our reviews are grounded in the deep industry knowledge from years of providing leading HVAC solutions. We leverage this expertise to evaluate smart thermostats, not just on their features, but on how they integrate with your heating and cooling systems to deliver optimal performance.
  • Hands-On Testing: We don’t just rely on specifications; we put each smart thermostat through rigorous hands-on testing. This allows us to provide measurements of each device’s performance, from energy savings to ease of use, ensuring you understand how each thermostat measures up in real-world conditions.
  • Transparency: Our reviews are conducted with a transparent and unbiased methodology. We honestly evaluate the features and functionality of each recommendation. Our goal is to offer you all the essential information without any external influence so that you can choose the best heating and cooling solution for your home.
  • Experience: Our reviews are more than just comparisons; they’re narratives of experience. We explain how each smart thermostat has evolved from previous models, the design choices made by manufacturers, and how these factors affect your daily use.

Our reviews at Heat Pump Source are crafted to guide you through selecting the best smart thermostats for 2024. We provide you with all the necessary information, comparisons, and expert opinions to make an informed decision. With our commitment to quality and your unique needs, we’re here to ensure that your home remains a haven of comfort and efficiency.

Conclusion

Choosing the right smart thermostat is a step toward a more sustainable and intelligent home. By selecting a device that meets your specific needs, you contribute to energy efficiency and environmental sustainability. We hope this guide has provided you with valuable insights to assist you in finding the perfect smart thermostat for your home.

About the Author

At Heat Pump Source, our articles are the product of a collaborative effort among a team of highly skilled HVAC experts. Our dedicated professionals, hailing from diverse backgrounds in heating, ventilation, air conditioning, and refrigeration, contribute their extensive knowledge and experience to every piece of content. This multidisciplinary approach ensures comprehensive coverage. Our commitment is to deliver authoritative, reliable, and tailored advice to meet the unique needs of every household and business across the UK.