Before selecting the right smart thermostat for you, there are some aspects to consider.As we’ve already mentioned, there are two types of smart thermostats to consider. Smart thermostats that control your system as a whole are usually more affordable and easier to install than smart thermostats that offer zonal control. However, you may find you’re still heating or cooling rooms that you’re not using and subsequently wasting energy and money. If available where you live, the Ecobee Smart Thermostat with voice control is well-worth auditioning for your smart home setup. Unlike any other entries on this list, the Ecobee4 comes with Alexa built right in.Thanks to a software update, the smart thermostat also offers access to Siri - Apple's voice assistant (although you will need a HomePod Mini in your home to process the requests). The Room Thermostat II and Room Thermostat II 230 V are also convincing thanks to their modern LED display, which clearly and legibly displays all information relevant to room-temperature control. Intuitive operation by turning and pushing the button of the Room Thermostat II and Room Thermostat II 230 V is now additionally supported by visual signals from a multicoloured LED strip. For example, red LEDs indicate that the temperature is being increased, while blue LEDs show that the temperature is being lowered.

It's simple to use and will switch the boiler on or off earlier than scheduled to ensure rooms in your home are at the temperature you want when you want them. It's also got Open Window Detection to help stop energy wastage by switching off the boiler if it detects a window has been opened and works with Alexa and Google Assistant. When installed by a Worcester Bosch Accredited Installer with a Greenstar System Filter. The Greenstar 1000 and Greenstar 2000 guarantee is available as standard to both Excelerate members and non-WAI's, when fitted with any brand of system filter. Terms and conditions apply. The radiator valves are big chunks of plastic that replace your existing valves. Bosch provides adapters in the box for multiple fittings; I had no problem fitting them to my radiators. The EasyControl Adapter converts automatically communication signals, e.g. from iRT/OpenTherm/on-off to EMS protocol. Important for the commissioning of the Bosch EasyControl Adapter is the sequence switching on the devices. Always follow the following sequence:Simply set your desired temperature via the Smart TRV or the EasyControl app and an integrated sensor will continuously monitor the room temperature to keep it at your desired level. Several time-controlled settings are possible per day, and you can also set different times for every day of the week.

You can easily set up heating schedules. For example, the heating can be turned off in all the rooms but the office during the day, and then be turned on low in the bedrooms and higher in the living room during the evening. Thanks to its compact size (87 x 51 x 51 mm (LxWxD)) and swivelling display, it fits discreetly into your living room – either horizontally or vertically mounted. There's no option for zonal control through radiator thermostats either, and the plastic design isn't stylish, but it's worth considering for those that already have an Echo or two.

Easy on the Eye

Smart radiator valves are great if you want complete control and transparency over how much you're using your heating. You can also set the temperature of each room using the thermostatic radiator valves. In the diagram below:

Using EasyControl as single room controller the temperature measurement can be adjusted by the temperature calibration setting (± 2 °C) of the EasyControl thermostat itself.

In This Article

We tested the WundaSmart Starter Kit, which we feel brings something new to the stuffed smart thermostat market. It uses two gadgets in each room to precisely control the temperature: a stylish wireless thermostat and a smart radiator head, which replaces any existing TRVs (thermostatic radiator valves) on your radiators, allowing you to control them individually from the smartphone app. Bosch can see if your product is online but cannot gain access to your information. If necessary, you can authorise Bosch to gain temporary access to your product. The temporary access can be revoked at any time by turning it off in the app. You can set the temperature of each room using the thermostatic radiator valves. However, as seen on the diagram, the valves can't communicate with the smart thermostat or your smartphone, so you will have to change them manually. You set the temperature in degrees celsius This is easier to use and more intuitive than the 0-5 scale on TRVs.