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Smart radiator valves let you remotely schedule your homes temperature room-by-room, letting you take control of, and ideally save money on, your energy this winter.
So, if your home is cold, but you're scared about increasing your heating bills, here's our round up of the most popular smart radiator valves, including models from Netatmo, Tado and Eve.
Read on to learn more about the brands we've tested and if a smart radiator valve is right for you.
Just want to know which are the best? Head straight to our smart radiator valve reviews
Smart radiator valves (also called smart radiator thermostats) work in the same way as traditional thermostatic radiator valves; they control the temperature of individual rooms, but with smart valves you can set the temperature remotely using your smartphone.
When paired with a smart thermostat, smart radiator valves allow you to set up fully programmable heating zones. For example, you can just have the heating on in your office during work hours, then swap to only heating the living room and kitchen for the evening.
Although more expensive than traditional thermostatic radiator valves, smart valves give you greater control over your heating schedule, and the potential to make even greater energy savings than a smart thermostat on its own.
Read on to see the latest smart valves we've tested.
With a minimalist design, and LCD display to show the temperature, the Hive smart radiator valve integrates into the rest of the Hive ecosystem, allowing you to create 'actions'. For example, with one click you could dim the smart lights and boost your heating for a cosy TV night.
But does it get the basics right - heating your home to the right temperature? Read our full Hive radiator valve review to find out.
The Honeywell smart radiator valve has a LCD display that can be tilted up to easily see the rooms temperature. It also comes packed with features including frost protection, open window detection, and a child lock when paired with the EvoHome controller.
The valve has features, but is the accompanying app easy enough to use to make the most of them? Read our full Honeywell EvoHome radiator valve review to find out more.
If you're after a splash of colour, this valve comes with four adhesive strips to customise its trim. It's LCD display permanently shows the current room temperature (arguably more useful than showing the set temperature) and comes with a range of features such as open window detection.
We put the valve in a temperature controlled chamber, to accurately test how well it functions. Read our full Netatmo smart radiator valve review to find out how it performed.
Shipping with six adapters, the Tado smart radiator valve should be suitable for almost any radiator. A digital LED display makes the design stand out from the crowd, plus with a simple control knob to change the temperature, the valve should be easy to install and use.
But did our testers agree? Read our full Tado smart radiator thermostat review to find out.
Need more help understanding smart heating? Read our guide on how to buy the best smart thermostat
For most people, yes. Smart radiator valves offer greater control and convenience, plus they can help you save money by reducing the amount of energy you use to heat your home.
But like all technology, it ultimately comes down to what you need from your heating controls and how you plan to use it. If you're unlikely to use smart valves to reduce how often your heating is on you're unlikely to save money in the long run.
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Which? testing of smart devices goes above and beyond other reviews:
Only a smart radiator valve that performs well in all our test areas will become a Best Buy, meaning you can be confident in spending your money.
Read our full expert guide on how smart radiator valves work to get the most out of your smart heating
Smart radiator valves are not the only way to keep your home warm while keeping the heating bills under control.
If you haven't already, consider getting a boiler timer or programmer. This allows you to schedule when your heating is on, so you only heat your home when you're in it. A smart thermostat will allow you to do this remotely through your smartphone.
Read our guides on boiler controls and tips to reduce your heating bills.