The Aqara Radiator Thermostat E1 has never been cheaper. For 777 CZK, it offers not only a color display

  • The Aqara Radiator Thermostat E1 now costs 777 CZK
  • It features a color LED display and promises up to a year of battery life
  • It works with Zigbee and offers automatic open window detection

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Adam Kurfürst
Adam Kurfürst
27. 8. 2025 22:30
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If you’re considering switching to smart heating control, now is the right time. The popular thermostatic head AQARA Radiator Thermostat E1 is currently available for just 777 CZK, which, according to Heureka, is its historically lowest price. However, the head can save you much more than a few crowns during the heating season – thanks to smart features, you can reduce your heating costs.

Who is Aqara E1 ideal for?

This smart head will be especially appreciated by those who want to have their heating under control even when they are not at home. Through the mobile app, you can set the temperature in individual rooms from anywhere, create time schedules, or use geofencing – the head automatically recognizes when you’re returning home and starts heating before you even arrive. Aqara E1 works with Apple HomeKit, Alexa, Google Home, and other systems, so you can easily integrate it into your smart home.

A big plus is the color backlit LCD display, which clearly shows the current temperature and settings. Unlike many competing heads, the display has quality backlighting and wide viewing angles. You’ll appreciate this especially in darker rooms or when you need to quickly check the settings.

Smart features that truly save money

The head features intelligent open window detection – when ventilating, it automatically turns off heating to prevent heat waste. You can connect it with an external Aqara temperature sensor, and the head will then react to the actual room temperature, not just the temperature near the radiator. This ensures more even heating and more precise regulation.

The function of grouping multiple heads is also practical – if you have multiple radiators in a room, they will all cooperate and synchronize for the most efficient heating. You can set your own time schedules for each day, so in the morning you wake up to a warm bathroom and in the evening you come home to a warm living room, while during the day, when you’re at work, there’s no unnecessary heating.

Battery life is, according to the manufacturer, up to 1 year with normal use (2x AA batteries). You don’t have to worry about the head stopping working in the middle of winter. Installation is surprisingly simple – the package includes adapters for most common valves (M30x1.5 mm, Danfoss RA, RAV, RAVL), and you can complete the installation in a few minutes without tools.

What to watch out for before buying

The head naturally has its limits. Primarily, you need a Zigbee hub (ideally an Aqara hub for full functionality); without it, the head will not work. This means an additional investment of several hundred crowns if you don’t already have one. The head also only works with thermostatic valves – if you have old manual valves or a single-pipe system, you will need to replace the valves first.

Some users might find that the head is relatively bulky (57 mm diameter, 89 mm height) and might not fit into confined spaces. Also, keep in mind that full utilization of all smart features requires certain technical knowledge and time for setup.

If you are looking for an affordable smart head with a display and wide compatibility, you probably won’t find many better offers. For 777 CZK, you get a reliable solution that can save you hundreds to thousands of crowns during the heating season. The offer is valid only until Tuesday, so if you’re considering smart heating, don’t hesitate too long.

Will you take advantage of this offer for the AQARA smart thermostatic head?

About the author

Adam Kurfürst

Adam studuje na gymnáziu a technologické žurnalistice se věnuje od svých 14 let. Pakliže pomineme jeho vášeň pro chytré telefony, tablety a příslušenství, rád se… More about the author

Adam Kurfürst
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