10 Best Thermostats

The Hive Nano 3 thermostat is designed for controlling heating in homes with combi boilers using OpenTherm technology, which helps communicate precisely with your boiler to save energy and maintain a steady temperature. This can lead to up to 12% lower gas usage, which means potential savings on heating bills and a longer boiler lifespan. It connects via Wi-Fi through the new Nano 3 Hub, which is easy to set up and offers reliable performance without lots of cables. You can program heating and hot water schedules with up to six daily time slots, giving you good flexibility to match your routine.

The thermostat includes smart features like geolocation to adjust heating when you leave or come back home, frost protection to prevent pipe freezing, and a holiday mode so your house is warm when you return from a trip. The user interface is a simple touch screen with button controls and clear graphical display, making it straightforward to use even if you’re not tech-savvy. One nice bonus is the included 50% discount on Hive Plus, a service plan that can help you save more energy.

It is specifically built for combi boilers using OpenTherm, so it might not work with other heating systems. Some users might also find the initial setup of the hub and device slightly involved if they aren’t comfortable with smart home gadgets. For anyone wanting an energy-efficient, programmable, and smart heating solution that’s user-friendly and well-supported, the Hive Nano 3 represents a solid option.

The Honeywell T6R Wireless Smart Thermostat is a solid choice if you're looking for an easy-to-use, smart heating controller for your boiler. It features a clear, simple touch-screen that makes setting and adjusting temperatures straightforward, which is great if you prefer direct control without fuss. It connects via Wi-Fi and works well with popular smart home systems like Amazon Alexa, Apple HomeKit, Google Home, and IFTTT, giving you multiple convenient ways to control your heating remotely or by voice.

The Honeywell Home app adds flexibility by letting you set schedules and even uses your phone’s location to adjust the temperature automatically when you come and go, which can help save energy. You can choose from several scheduling options (7-day, 5/2-day, or daily) with up to six time slots per day, so it adapts well to different routines. Installation requires pairing the thermostat with its receiver box and mounting it on your wall, which might be a bit technical for some but is typical for smart thermostats. It runs on batteries, so no direct wiring for power is needed, adding to its wireless convenience.

On the downside, since it’s mainly designed for boilers, it may not suit other heating systems. Also, while the app and smart features are handy, they depend on a stable Wi-Fi connection and some familiarity with smartphone apps. If you want a smart, programmable thermostat that fits well into popular smart home ecosystems and offers good energy-saving features without being overly complicated, the Honeywell T6R is a dependable option.

The tado Wireless Smart Thermostat X Starter Kit is a modern solution for smart home heating management. It's particularly well-suited for users looking to save on energy and heating costs, thanks to its intelligent technology that optimizes heating across multiple rooms. This thermostat is compatible with gas-fired boilers and heat pumps, making it versatile for various home heating systems. It offers a range of smart features, including control via an app and voice commands through Amazon Alexa, Google Assistant, or Apple Siri, adding convenience to its operation.

The thermostat boasts programmability with smart scheduling and an advanced geofencing feature that adjusts the heating as you come and go. It also includes an open-window sensor, which helps in conserving energy. The user interface is intuitive, featuring a straightforward digital display, making it easy to manage temperature settings.

Energy efficiency is a strong point for this product, as it provides insights into energy costs and offers solutions for heating problems. The optional Auto-Assist package further enhances its capability to save energy by automating certain features. Installation is simplified with a DIY approach, although it's crucial to note that it requires the Bridge X for network connectivity, which is included in the kit.

However, a significant drawback is its incompatibility with older tado models like the tado V3+. Additionally, while installation is generally user-friendly, those unfamiliar with smart technology might find initial setup requires a bit of time. Also, being battery-powered, it requires periodic battery replacement. Despite these minor issues, the tado Wireless Smart Thermostat X is a strong choice for tech-savvy individuals seeking a comprehensive, energy-efficient heating solution.