Heating is one of the largest contributors to household energy bills in the UK. In fact, heating can account for more than half of the energy used in an average home.
As energy costs continue to rise, many homeowners are turning to smart thermostats to help manage heating more efficiently.
Smart thermostats allow you to control your home’s heating remotely, automate schedules, and reduce wasted energy.
Many systems learn your daily routine and automatically adjust the temperature to improve efficiency and comfort.
In this guide, we explore the best smart thermostats for UK homes, the features to look for, and some popular models commonly available on Amazon.
What Is a Smart Thermostat?
A smart thermostat is a heating control device that connects to your home’s Wi-Fi network. It allows you to control heating through a smartphone app or voice assistant.
Unlike traditional thermostats, smart thermostats can:
- Learn your daily routine
- Adjust heating automatically
- Be controlled remotely
- Provide energy usage reports
This level of control helps reduce energy waste and lower heating bills.
Benefits of Smart Thermostats
Smart thermostats offer several advantages for homeowners.
Lower Energy Bills
By automatically adjusting heating schedules, smart thermostats prevent wasted energy.
Remote Control
You can control your heating from anywhere using a smartphone.
Increased Comfort
Heating adjusts automatically based on your schedule and preferences.
Smart Home Integration
Many thermostats work with voice assistants such as Amazon Alexa and Google Assistant.
Best Smart Thermostats for UK Homes
Here are some of the most popular smart thermostats available today.
1. Google Nest Learning Thermostat
Stainless Steel - Smart Thermostat - A Brighter Way To Save Energy
The Google Nest Learning Thermostat is one of the most popular smart thermostats in the UK.
Key Features
- Learns your heating habits
- Automatically creates heating schedules
- Remote control via smartphone
- Energy usage reports
Example product: Google Nest Learning Thermostat
The Nest thermostat can help homeowners reduce heating costs while maintaining comfort.
2. Hive Active Heating Thermostat
(Combi Boilers & Multizone Hubless), With OpenTherm, White, A Combi Boiler is Required
Hive is one of the best-known smart heating systems in the UK.
Key Features
- Easy installation
- Smartphone control
- Smart scheduling
- Works with Hive smart home devices
Example product: Hive Active Heating Smart Thermostat
Hive is particularly popular with UK households because it integrates well with British heating systems.
3. tado Smart Thermostat
With Bridge X and Stand, Boiler and Hot Water Control via App & Smart Speaker (Alexa, Siri, Google Assistant)
The tado Smart Thermostat is known for advanced energy-saving features.
Key Features
- Geolocation technology (adjusts heating when you leave home)
- Smart radiator valves
- Energy usage reports
- Remote control
Example product: tado Smart Thermostat Starter Kit
tado is ideal for homeowners who want more detailed heating control.
4. Ecobee Smart Thermostat
Ecobee thermostats offer powerful smart features and remote sensors.
Key Features
- Smart room sensors
- Voice control compatibility
- Energy efficiency reports
Example product: Ecobee Smart Thermostat
Ecobee systems allow better temperature control across multiple rooms.
5. Honeywell Home T9 Smart Thermostat
With 1 Smart Room Sensor, Touchscreen Display, Alexa and Google Assist
Honeywell has produced heating systems for many years and offers reliable smart thermostats.
Key Features
- Smart room sensors
- Custom heating schedules
- Voice assistant compatibility
Example product: Honeywell Home T9 Smart Thermostat
Honeywell thermostats are known for reliability and performance.
Smart Thermostat Comparison
| Thermostat | Best For | Key Feature |
|---|---|---|
| Google Nest | Smart automation | Learning heating schedules |
| Hive Active Heating | UK homes | Easy installation |
| tado Smart Thermostat | Energy efficiency | Geolocation control |
| Ecobee Smart Thermostat | Large homes | Room sensors |
| Honeywell T9 | Reliable control | Smart sensors |
Features to Consider When Choosing a Smart Thermostat
Before buying a smart thermostat, it’s important to consider the following features.
Compatibility With Your Boiler
Not all thermostats work with every heating system.
Check compatibility with:
Gas boilers
Combi boilers
Heat pumps
Underfloor heating
Most manufacturers provide compatibility tools online.
Smartphone Control
The ability to control heating from your phone is one of the biggest advantages of smart thermostats.
This allows homeowners to adjust temperatures remotely.
Energy Monitoring
Some thermostats provide detailed reports showing how much energy your heating system is using.
This helps identify ways to reduce energy consumption.
Smart Radiator Valves
Some systems include smart radiator valves that allow room-by-room temperature control.
Example product: tado Smart Radiator Thermostat
These valves prevent heating unused rooms.
Voice Assistant Integration
Many smart thermostats integrate with:
Amazon Alexa
Google Assistant
Apple HomeKit
This allows homeowners to control heating using voice commands.
How Smart Thermostats Save Energy
Smart thermostats reduce energy waste in several ways.
Automatic Scheduling
Heating adjusts automatically based on daily routines.
Remote Control
If you forget to turn heating off when leaving home, you can control it remotely.
Smart Sensors
Sensors detect occupancy and adjust heating accordingly.
Weather Monitoring
Some thermostats adjust heating based on outdoor temperatures.
Installation Tips
Some smart thermostats can be installed by homeowners, while others may require professional installation.
Steps often include:
Connecting the thermostat to the boiler
Installing the smart hub
Setting up the smartphone app
Always follow manufacturer instructions.
Additional Smart Devices for Energy Savings
Smart thermostats work best when combined with other energy-saving devices.
Smart Plugs
Example product: TP-Link Smart Plug
These devices monitor and control appliance energy usage.
LED Smart Bulbs
Example product: Philips Hue Smart Bulb
LED lighting reduces electricity consumption.
Energy Monitoring Systems
Example product: Sense Energy Monitor
Energy monitors track electricity usage throughout the home.
Future of Smart Heating
Smart heating technology is rapidly evolving.
Future developments may include:
AI-powered heating systems
Advanced home energy automation
Smart grids that optimise electricity usage
These innovations will continue improving energy efficiency.
Final Thoughts
Smart thermostats are one of the most effective ways for homeowners to reduce energy bills while improving comfort. By automatically adjusting heating schedules and providing detailed energy insights, these devices help households manage energy usage more efficiently.
The best smart thermostats for UK homes include:
- Google Nest Learning Thermostat
- Hive Active Heating
- tado Smart Thermostat
- Ecobee Smart Thermostat
- Honeywell Home T9
By investing in a smart thermostat and combining it with other energy-saving technologies, homeowners can create a more efficient and comfortable living environment.









