Best Digital Thermostats of 2025

The Honeywell Home T135C110AEU is a digital wired non-programmable thermostat designed for hydronic heating systems. It is compatible with various heating sources, including gas, oil, and electric systems, making it versatile for different households. With high-precision digital TPI control, you’ll enjoy minimal temperature fluctuations, ensuring your comfort is maintained. The easy-to-use comfort economy and holiday presets allow you to adjust temperatures effortlessly, providing convenience at the touch of a button. Its ultra-compact design means it takes up minimal space, perfect for modern homes.

The Meross Smart Thermostat offers great convenience with its WiFi compatibility, allowing you to control your heating and cooling remotely or by voice. You can easily monitor the temperature in various areas of your home, including bedrooms and greenhouses. With multiple advanced functions, this thermostat helps you manage energy usage and set alarms for high or low temperatures. Additionally, the 7x12 Smart Schedule feature enables you to customise your heating and cooling throughout the week, ensuring comfort even during Wi-Fi disruptions.

The ESI Digital Thermostat offers a large, clear adjustable dial, allowing you to easily set your desired temperature. With TPI technology, it ensures optimal heating efficiency, saving you energy and money. The delayed start feature is particularly useful, as it allows the system to begin heating at a scheduled time, ensuring your space is warm when you need it. The LCD display provides clear readings, making it simple for you to monitor the temperature at a glance.

The Salus RT510RF+ is a wireless programmable digital room thermostat designed for easy installation and operation. It comes pre-paired with its receiver, allowing for a simple "plug and play" setup. You can programme it to suit your heating needs, ensuring your home is always at a comfortable temperature. With the heating boost mode, you can quickly warm up your space when needed, while the holiday mode allows you to save energy when you're away, providing both convenience and efficiency.

The Optimum WiFi Thermostat offers exceptional control over your home's heating. With an iOS and Android smartphone app, you can easily adjust your settings from anywhere. The programmable capacity allows you to set up to six user-adjustable temperature periods, ensuring your home is always at your desired comfort level. Its design accommodates both wall mounting and table-top use, providing flexibility in installation. Additionally, it features open therm output and volt-free switching, making it compatible with combination boilers for added convenience.

The MincoHome Smart Thermostat allows you to control your heating from anywhere using the "tuya" app on your smartphone. With voice control features via Alexa or Google Assistant, you can adjust the temperature effortlessly. The programmable function enables you to create customised heating schedules for different rooms, ensuring comfort at all times. Additionally, you can easily turn off the key sound through the app, perfect for quiet settings, and adjust the backlight to suit your preferences during the night.

The Siemens RDH100 Thermostat offers a set point range of 5 to 30 degrees Celsius, allowing you to easily maintain your desired room temperature. With its 5(2)A volt-free contacts, it ensures compatibility with various heating systems, providing you with flexibility in your home setup. The compact dimensions of 120x90x26.9 mm make it easy to install in various locations without taking up much space. Powered by two AA batteries, this thermostat offers convenience, eliminating the need for hard wiring and making it easy to replace as needed.

The Heatmiser Slimline Thermostat is a wired, programmable device that enhances your heating control. With user-selectable operating modes, you can customise settings to suit your schedule, whether you prefer weekday and weekend variations or a consistent temperature every day. This thermostat can function both as a timer and a thermostat, offering flexibility for your heating needs. Additionally, its self-learning optimum start feature ensures your home reaches the desired temperature when you need it, providing comfort and efficiency.

The EPH RF Programmable Thermostat is designed to enhance your home's heating control. As an HVAC control thermostat, it allows you to programme your heating schedule, ensuring your home is warm when you need it. The digital interface makes it easy for you to adjust settings with precision. Additionally, the RF capabilities provide wireless convenience, eliminating the need for complex wiring. This user-friendly thermostat is an ideal choice for those seeking efficiency and comfort in their heating system.

The Salus Controls RT520RF Thermostat is a digital, wireless, and programmable device designed for modern homes. With its digital display, you can easily read and adjust the temperature settings to your preference. The wireless feature allows for flexible placement throughout your home, enhancing convenience. Being programmable means you can set specific heating schedules, helping you save energy and reduce bills. Overall, this thermostat simplifies temperature control, making it easier for you to maintain a comfortable living environment.