Updated:20 October 2026
Rank 1-16 of the best Room Thermostats
Our recommendation Price Customer rating
1. Comparison winner
ESI ESRTERFW Wireless Room Thermostat
ESI ESRTERFW Wireless Room Thermostat
Available immediately
free shipping
  • easy installation with two-wire setup and industry-standard back plate for quick process
  • high temperature accuracy with clear battery powered LCD display
Our rating
9,8
very good
ESi ESRTP4RFW Wireless Programmable Room Thermostat and Receiver
ESi ESRTP4RFW Wireless Programmable Room Thermostat and Receiver
Available immediately
free shipping
  • Programmable room thermostat automatically adjusts the boiler flow temperature through OpenTherm to help reduce gas consumption
  • Wireless thermostat and receiver are supplied for straightforward installation
  • Supports OpenTherm and Boiler Plus, and can be upgraded with a separately sold hub for app control
Our rating
9,8
very good
3. Best value
ENGO E901 Wired Combi Boiler Thermostat
ENGO E901 Wired Combi Boiler Thermostat
Check delivery time
free shipping
  • precise temperature regulation for efficient heating management
  • easy installation with available support resources like manuals, videos, and support contacts
  • ensures accurate temperature settings for optimal comfort and energy efficiency
Our rating
9,8
very good
4. Bestseller
Salus RT310 Wired Non-Programmable Room Thermostat
Salus RT310 Wired Non-Programmable Room Thermostat
Available immediately
free shipping
  • Temperature control: adjusts boiler operation to help maintain a consistent room temperature and reduce temperature swings
  • Easy installation: uses standard 2-wire or 3-wire connections and fits most existing wall backplates for a straightforward replacement
  • Temperature accuracy: regulates heating to help keep the room closer to the selected temperature
Our rating
9,8
very good
ESI ESRTP4RF+ Wireless Room Thermostat, White
ESI ESRTP4RF+ Wireless Room Thermostat, White
Available immediately
free shipping
  • manual and automatic modes for temperature control
  • suitable for daily or weekly programming adapting to user needs
Our rating
9,8
very good
Honeywell Home DT2 Thermostat
Honeywell Home DT2 Thermostat
Available immediately
free shipping
  • temperature control range from 5°C to 35°C with intelligent self-learning system for energy-saving adjustments
  • simple installation with easy mounting and battery power
  • high temperature accuracy for precise climate management
Our rating
9,8
very good
Honeywell Home DT135 Wired Thermostat, White
Honeywell Home DT135 Wired Thermostat, White
Available immediately
free shipping
  • manual temperature control for easy adjustment and customisation
  • simple installation compatible with various heating systems
  • precise temperature control with digital TPI for consistent comfort
Our rating
9,6
very good
Drayton RTS1 Room Thermostat
Drayton RTS1 Room Thermostat
Available again soon
free shipping
  • adjustable temperature range from 10°C to 30°C
  • simple installation process
  • high temperature accuracy for precise control
Our rating
9,6
very good
50+ purchases last month
Timeguard TRT030DN Digital Room Thermostat
Timeguard TRT030DN Digital Room Thermostat
Available immediately
free shipping
  • automatic temperature control for central heating systems
  • simple surface mount installation
  • high precision for improved efficiency and cost reduction
Our rating
9,6
very good
Mechanical Central Heating Room Thermostat with Neon Indicator
Mechanical Central Heating Room Thermostat with Neon Indicator
Available immediately
free shipping
  • Automatically switches heating on when the room temperature falls below the setting and off when it is reached, with adjustment from 10°C to 30°C
  • Installs using a simple two-wire connection with potential-free contacts
  • Suitable for controlling boilers and fan coil units in homes and commercial settings
Our rating
9,4
good
Honeywell Home Mechanical Room Thermostat THR830TEU
Honeywell Home Mechanical Room Thermostat THR830TEU
Coming soon
free shipping
  • provides automatic on/off control for various heating and cooling systems including gas boilers and zone valves
  • mounts directly onto wall or conduit box with secure wiring installation
  • ensures close temperature control with dual diaphragm sensing element
Our rating
9,4
good
ESI ESRTM Mechanical Room Thermostat
ESI ESRTM Mechanical Room Thermostat
Available immediately
free shipping
  • easy installation with two-wire setup
  • high temperature accuracy with large, clear adjustable dial
  • versatile use suitable for retail stores, offices, warehouses, and public spaces
Our rating
9,3
good
Team Controls Mechanical Room Thermostat TC-RSTATL
Team Controls Mechanical Room Thermostat TC-RSTATL
Available immediately
free shipping
  • Adjustable temperature control from 10°C to 30°C
  • Wall-mounted design for installation on a wall
  • A 1°C switching differential helps keep room temperature close to the selected setting
Our rating
9,0
good
Mechanical Underfloor Heating Thermostat, 230V 16A, with Sensor Probe
Mechanical Underfloor Heating Thermostat, 230V 16A, with Sensor Probe
Available immediately
free shipping
  • Temperature is adjusted from 5°C to 40°C using a rotary dial, with an LED indicating when the heating is active
  • Designed for flush mounting in a standard UK back box and requires live and neutral wiring; supplied with a 3-metre floor sensor probe
  • Built-in air and external floor sensors monitor room and floor temperatures, switching off the heating when the set temperature is reached
Our rating
8,8
good
No reviews yet
Team Controls Central Heating Thermostat T6360B Replacement
Team Controls Central Heating Thermostat T6360B Replacement
Available immediately
free shipping
  • adjustable temperature control for maintaining precise cooking or storage settings
  • simple installation process suitable for most users
  • high temperature accuracy ensures consistent performance
Our rating
8,6
good
Home Mechanical 2-Wire Thermostat
Home Mechanical 2-Wire Thermostat
Available immediately
free shipping
  • allows manual temperature control via a mechanical dial
  • easy to install with two-wire configuration, suitable for various boiler systems
  • provides high temperature accuracy through dual diaphragm sensing
Our rating
8,5
good

Similar Room Thermostat comparisons

Room Thermostats buying guide: How to choose the right product from the above Room Thermostats test or comparison

Understanding the Basics of Room Thermostats: How They Work and Why They Matter

What Does a Room Thermostat Do?

A room thermostat acts as the control centre for your heating system, ensuring that your home remains at your desired temperature. When the temperature drops below your set point, the thermostat signals your heating system to turn on, and when it reaches your set point, it tells the system to turn off. This cycle not only keeps your environment comfortable but also helps manage energy usage efficiently.

Why Room Thermostats are Important

Room thermostats are crucial devices in any home as they provide optimal control over heating systems. By accurately regulating the temperature, they not only enhance comfort but also contribute to energy efficiency, leading to lower energy bills. Additionally, having a well-functioning thermostat can prolong the lifespan of your heating system by preventing it from working harder than necessary.

Choosing the Right Room Thermostat for Your Home: Key Features to Consider

Manual vs. Programmable Thermostats

When selecting a room thermostat, one of the first decisions to make is whether to choose a manual or a programmable model. Manual thermostats require manual adjustments to change the temperature, while programmable models allow you to set schedules. If you have a fairly regular routine, a programmable thermostat can save you energy and effort by adjusting the temperature automatically.

Wi-Fi Connectivity and Smart Features

If you desire more convenience, consider a thermostat with Wi-Fi connectivity. Smart thermostats enable you to control your heating remotely through a smartphone app, allowing you to adjust the temperature while you’re away from home. Many smart models also learn your habits over time, optimising settings based on your daily routine, and can even provide energy usage reports.

Smart Thermostats vs. Traditional Thermostats: Which is Right for You?

Understanding The Differences

The primary difference between smart thermostats and traditional ones lies in their features and capabilities. Traditional thermostats typically offer basic temperature control, while smart thermostats include advanced features such as learning capabilities, remote access, and integration with smart home systems. Your choice depends on how much control and convenience you desire in managing your home’s heating.

Considering Your Lifestyle

If you travel frequently or have unpredictable schedules, a smart thermostat might be especially beneficial as it allows for remote control and scheduling adjustments on the go. On the other hand, if you prefer simplicity without the need for extensive features, a traditional model might suit your needs. An assessment of your lifestyle can help identify the best fit for you.

Installation and Setup: A Simple Guide to Getting Started with Your New Thermostat

Preparing for Installation

Before installing your new thermostat, ensure you have all necessary tools, such as a screwdriver and level. Turn off your heating system to ensure safety during the installation process. Follow the manufacturer’s instructions closely to avoid complications.

Step-by-Step Installation Process

Remove the old thermostat by unscrewing it from the wall and disconnecting the wiring. Take careful note of where each wire connects, as this information will be crucial for the new thermostat. Mount the new thermostat backing to the wall, connect the wires according to the installation guide, and finally attach the front of the thermostat securely.

Maximising Energy Efficiency: Tips for Using Your Room Thermostat Effectively

Setting the Right Temperature

For optimal energy efficiency, it’s advisable to set your thermostat to a consistent temperature. The ideal winter setting is around 18-20°C during the day and can be reduced at night or when no one is home. This minor adjustment can lead to significant savings on your energy bills.

Utilising Programmable Features

If you have a programmable or smart thermostat, take full advantage of its scheduling features. Setting lower temperatures for times when the house is unoccupied or overnight can further improve energy efficiency. Experiment with different settings to find the balance between comfort and savings.

Table of contents
  1. Understanding the Basics of Room Thermostats: How They Work and Why They Matter
  2. Choosing the Right Room Thermostat for Your Home: Key Features to Consider
  3. Smart Thermostats vs. Traditional Thermostats: Which is Right for You?
  4. Installation and Setup: A Simple Guide to Getting Started with Your New Thermostat
  5. Maximising Energy Efficiency: Tips for Using Your Room Thermostat Effectively

Overview

1. Comparison winner
ESI ESRTERFW Wireless Room Thermostat
Our rating
9,8
very good
ESI ESRTERFW Wireless Room ThermostatAvailable immediately
ESi ESRTP4RFW Wireless Programmable Room Thermostat and Receiver
Our rating
9,8
very good
ESi ESRTP4RFW Wireless Programmable Room Thermostat and ReceiverAvailable immediately
3. Best value
ENGO E901 Wired Combi Boiler Thermostat
Our rating
9,8
very good
ENGO E901 Wired Combi Boiler ThermostatCheck delivery time
4. Bestseller
Salus RT310 Wired Non-Programmable Room Thermostat
Our rating
9,8
very good
Salus RT310 Wired Non-Programmable Room ThermostatAvailable immediately
ESI ESRTP4RF+ Wireless Room Thermostat, White
Our rating
9,8
very good
ESI ESRTP4RF+ Wireless Room Thermostat, WhiteAvailable immediately
Honeywell Home DT2 Thermostat
Our rating
9,8
very good
Honeywell Home DT2 ThermostatAvailable immediately
Honeywell Home DT135 Wired Thermostat, White
Our rating
9,6
very good
Honeywell Home DT135 Wired Thermostat, WhiteAvailable immediately
Drayton RTS1 Room Thermostat
Our rating
9,6
very good
Drayton RTS1 Room ThermostatAvailable again soon
Our product comparisons are:
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In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
Similar tests and comparisons - Programmable Thermostats