Brand | Aqara |
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Model Number | SRTS-A01 |
Colour | White |
Product Dimensions | 2.79 x 16.51 x 24.64 cm; 150 g |
Voltage | 240 Volts |
Special Features | Temperature Display |
Item Weight | 150 g |

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Aqara Smart Radiator Thermostat E1, REQUIRES AQARA ZIGBEE 3.0 HUB, Smart Thermostatic Radiator Valve with Voice Control, Geofencing Support, Compatible with HomeKit, Alexa, Google Assistant and IFTTT
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Purchase options and add-ons
Brand | Aqara |
Product dimensions | 2.8D x 16.5W x 24.6H centimetres |
Controller type | IFTTT, Google Assistant, Amazon Alexa |
Special feature | Temperature Display |
Colour | White |
Specific uses for product | Radiator Thermostat |
Temperature Control Type | Heating |
Connectivity technology | Zigbee |
Included components | Smart Radiator Thermostat E1 × 1, User Manual × 1, 1.5V AA Battery × 2, Adapter (RA/RAV/RAVL) × 3 |
Power source | Battery Powered |
About this item
- ✽[NOTES] An Aqara Zigbee 3.0 Hub is required and sold separately. The Aqara Smart Radiator Thermostat E1 is compatible with a wide range of the ecosystems and voice assistants. HomeKit, Alexa, Google, IFTTT and the soon to be released Matter will be supported. The Radiator Thermostat E1 can fit most of the radiator valves directly (Threaded Connection: M30×1.5 mm) or with our adapters (Adapters RA/RAV/RAVL are included).
- [External Temperature Readings] The Aqara Smart Radiator Thermostat E1 can receive the temperature readings directly from the connected Aqara Temperature and Humidity Sensor from another corner of the room, even in HomeKit. The control of temperature will be more accurate for the whole room and the thermostat will be able to adjust the radiator based on the actual room temperature.
- [Energy Saving] By connecting the Aqara Smart Radiator Thermostat E1 to the Aqara Door and Window Sensor or the Aqara Motion Sensor, it will turn off the heating if detects that the door or window is open or detects no motion for some time, which is an easy way to save energy. Moreover, the schedules can be set for the desired periods of time, such as day or night. It can automatically open or close the radiator valve and reduce your energy consumption
- [Geofencing and Multi Home Support] No more entering a cold home. By setting the geofencing, the Aqara Smart Radiator Thermostat E1 will start heating before you arrive. Even if you have more than one home, you will be able to set up the independent automations for each of them.
- [Device Grouping Support] In case of having multiple radiators in one room, all of them will be synchronized in the most efficient way based on the actual temperature of the room.
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Aqara

89% positive ratings from 500+ customers

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As a leading provider of smart home solutions, Aqara excels in delivering a wide array of award-winning, user-friendly smart home products and platform solutions tailored for your home. We proudly serve over 12 million customers in more than 170 countries and territories. Our products are designed to offer convenience, security, and energy efficiency, making your home smarter, more sustainable, and adaptive to your evolving needs.
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Product Description




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No additional tools required and the included adapters enable a wide compatibility.
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The LCD screen has backlight for easily knowing the status and specific temperature.
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Thanks to Zigbee protocol and energy-efficient hardware, the battery can last up to one year.
Aqara Geofencing and Weather Automation will start heating before your arriving

Product information
Technical Details
Additional Information
ASIN | B0B6DTSGSJ |
---|---|
Customer Reviews |
3.9 out of 5 stars |
Best Sellers Rank | 115,014 in DIY & Tools (See Top 100 in DIY & Tools) 80 in Home Programmable Thermostats |
Date First Available | 13 July 2022 |
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Aqara Smart Radiator Thermostat E1, REQUIRES AQARA ZIGBEE 3.0 HUB, Smart Thermostatic Radiator Valve with Voice Control, Geofencing Support, Compatible with HomeKit, Alexa, Google Assistant and IFTTT
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This item Aqara Smart Radiator Thermostat E1, REQUIRES AQARA ZIGBEE 3.0 HUB, Smart Thermostatic Radiator Valve with Voice Control, Geofencing Support, Compatible with HomeKit, Alexa, Google Assistant and IFTTT | Recommendations | |||
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Price | -15% £42.49£42.49 Was: £49.99 | £39.99£39.99 | £55.99£55.99 | -33% £29.99£29.99 RRP: £44.99 |
Delivery | Get it as soon as Sunday, May 18 | Get it as soon as Sunday, May 18 | Get it 20 – 21 May | — |
Customer Ratings | ||||
Sold by | Aqara Official UK | ecobay | The Lamp Post Electrical Supplies Limited | Amazon |
control method | voice | application, remote, touch, voice | remote, application, voice | application, voice |
connectivity protocol | ZigBee | ZigBee | Wi-Fi | Wi-Fi |
power source | Battery Powered | Battery Powered | Wireless (no battery) | Battery Powered |
controller type | Google Assistant, Amazon Alexa, IFTTT | Amazon Alexa, Google Assistant, Tuya, Smart Life | Google Assistant, Amazon Alexa | Google Assistant, Amazon Alexa, iOS, Android |
material | — | Acrylonitrile Butadiene Styrene (ABS) | — | Metal |
shape | — | Rectangular | — | Round |
mounting type | Wall Mount | Surface Mount | Wall Mount | Wall Mount |
has backlight | ✓ | ✓ | ✓ | ✓ |
Customer reviews
Customer Reviews, including Product Star Ratings, help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the thermostat easy to install and appreciate its temperature control capabilities, noting it lowers heating bills and controls room temperatures effectively. The device receives positive feedback for its intelligence, with one customer highlighting its sleek design that blends well with home decor, and another mentioning seamless integration into smart home systems. While some customers report good functionality with Home Assistant automations, others experience pairing issues. The thermostat's durability receives mixed reviews, with some praising its quality while others report it breaking after a short time, and customers find it very noisy.
AI-generated from the text of customer reviews
Customers appreciate the thermostat's temperature control capabilities, noting it effectively manages room temperatures and lowers heating bills, with one customer mentioning its ability to optimize energy usage by automatically adjusting settings.
"...Radiator Thermostat E1 remains a fantastic choice for maintaining a cozy and energy-efficient home. ❄️🔥🏠..." Read more
"The room stays withing the temperature range well. I sometimes hear the thermostat adjusting itself, in the quiet of the night...." Read more
"...The Aquara ones have a nice clear screen on the top and the temperature can be set by twisting the top of via Zigbee...." Read more
"...are brilliant and have lowered our heating bill, we can leave the heating on in the winter and the schedules on these thermostats keep each room..." Read more
Customers find the thermostat clever, with one mentioning its sleek design that blends well with home decor.
"...📱🔒 The E1 thermostat's intelligent features allow you to optimize energy usage by automatically adjusting the temperature...." Read more
"...Which show up at mine. Othersiee really nice t9 have and easy to set up" Read more
"Decent product, I have 4 of them, with a major flaw...." Read more
"...When screwed on to the radiator it feels solid. Not cheap. But it won’t pair...." Read more
Customers find the thermostat easy to install, with one mentioning its seamless integration into smart home systems.
"...The thermostat's compatibility with HomeKit ensures a hassle-free setup and convenient control using the Home app or Siri voice commands...." Read more
"...Luckily I don’t have problems with it. Easy setup and calibration when I can I’ll buy more." Read more
"...Which show up at mine. Othersiee really nice t9 have and easy to set up" Read more
"Easy to install and works well with my Home Assistant automations when integrated via ZHA and Conbee II stick...." Read more
Customers appreciate the thermostat's connectivity, with one mentioning it pairs quickly with the e1 hub, while another notes its quick response times.
"...Connects with ZigBee2MQTT and works really well with Home Assistant...." Read more
"...As is connecting door and window sensor for more precisely control. The smart scheduling is limited to just 3 changes throughout the 24 hour period." Read more
"Fit easily in place of more basic valve heads. Paired quickly to e1 hub...." Read more
"Easy to install & quick response times. Can be used stand alone or through the Aqara & Home apps" Read more
Customers have mixed experiences with the thermostat's functionality: some report it works well with Home Assistant automations, while others mention issues with pairing and connectivity.
"Got them on all my radiators. They work as described. I had to redo all my radiators to support them though as the connection didn’t work." Read more
"...Other annoyances are losing connections or pairings with remote sensor (this may improve adding more zigbee hubs), The Group function cannot be..." Read more
"...Connects with ZigBee2MQTT and works really well with Home Assistant...." Read more
"Easy to install and works well with my Home Assistant automations when integrated via ZHA and Conbee II stick...." Read more
Customers have mixed experiences with the thermostat's durability, with some finding it to be of good quality while others report that it breaks after a little while and has brittle plastic components.
"Always quality products from this brand. Luckily I don’t have problems with it. Easy setup and calibration when I can I’ll buy more." Read more
"...collar of the valve (not the silver threaded part) appears to become brittle over time, probably due to heat...." Read more
"...It’s a shame as otherwise it’s a good system but needs a new design IMO. Support was initially good at replacing now they dont respond." Read more
"...And then the aqara... looks a really nice quality, but just with as noisy as the meross...." Read more
Customers report that the thermostat is very noisy, with one customer noting a faint buzz for a second or two.
"...🌡️📊 Despite the minor downside of motor noise that can be heard in a quiet room, the Aqara Smart Radiator Thermostat E1 remains a..." Read more
"...then the aqara... looks a really nice quality, but just with as noisy as the meross...." Read more
"...every few minutes (which is expected) but this makes a faint buzz for a second or two which is just about loud enough to be irritating in a bedroom..." Read more
"...If we lose many more, we will swap to another make. Yes they are a little noisy but we have not been woken up by the noise." Read more
Customers find the thermostat unreliable.
"...this causes them to snap rendering the whole unit useless. This appears to be a major design flaw as the broken part is not replaceable. be warned!!!" Read more
"...I bought one to try it out but unfortunately it’s rubbish. It feels weighty and good quality...." Read more
"Promising but unreliable..." Read more
"Unreliable product...." Read more
Reviews with images

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Top reviews from United Kingdom
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- Reviewed in the United Kingdom on 23 October 2024Style Name: Radiator Thermostat E1Verified PurchaseGot them on all my radiators. They work as described. I had to redo all my radiators to support them though as the connection didn’t work.
- Reviewed in the United Kingdom on 26 January 2024Style Name: Radiator Thermostat E1Verified PurchaseThe Aqara Smart Radiator Thermostat E1 is a game-changer for maintaining the perfect temperature in your home. ❄️🏠
With its seamless integration into your smart home system, you can easily control and schedule your heating preferences. The thermostat's compatibility with HomeKit ensures a hassle-free setup and convenient control using the Home app or Siri voice commands. 📱🔒
The E1 thermostat's intelligent features allow you to optimize energy usage by automatically adjusting the temperature. This not only keeps you comfortable but also helps you save on heating costs. 💰💡
Installation is a breeze, and the sleek design blends seamlessly with any home decor. If you're looking for an even more accurate reading of the room temperature, I highly recommend pairing the Aqara Smart Radiator Thermostat E1 with one of the Aqara temperature sensors. This combination ensures precise temperature control and a comfortable environment. 🌡️📊
Despite the minor downside of motor noise that can be heard in a quiet room, the Aqara Smart Radiator Thermostat E1 remains a fantastic choice for maintaining a cozy and energy-efficient home. ❄️🔥🏠
- Reviewed in the United Kingdom on 23 December 2023Style Name: Radiator Thermostat E1Verified PurchaseAlways quality products from this brand. Luckily I don’t have problems with it. Easy setup and calibration when I can I’ll buy more.
- Reviewed in the United Kingdom on 9 February 2025Style Name: Radiator Thermostat E1Verified Purchase**** BE WARNED*** I have bought 7 of these over a period of time and a major issue has developed causing me to have to by 2 replacements. the plastic that locks onto the collar of the valve (not the silver threaded part) appears to become brittle over time, probably due to heat. this causes them to snap rendering the whole unit useless. This appears to be a major design flaw as the broken part is not replaceable. be warned!!!
1.0 out of 5 stars**** BE WARNED*** I have bought 7 of these over a period of time and a major issue has developed causing me to have to by 2 replacements. the plastic that locks onto the collar of the valve (not the silver threaded part) appears to become brittle over time, probably due to heat. this causes them to snap rendering the whole unit useless. This appears to be a major design flaw as the broken part is not replaceable. be warned!!!Item degrades over time
Reviewed in the United Kingdom on 9 February 2025
Images in this review
- Reviewed in the United Kingdom on 29 January 2024Style Name: Radiator Thermostat E1Verified PurchaseThe room stays withing the temperature range well. I sometimes hear the thermostat adjusting itself, in the quiet of the night. It easily linked to our bespoke computer control system. I need to add a few more to our system, when I have some more spare cash.
- Reviewed in the United Kingdom on 22 November 2024Style Name: Radiator Thermostat E1Verified PurchaseI am afraid I no longer recommend this product. I have 20 paired with sensors and about 5 have broken within 18-24 months. The plastic splines that mount to UK radiator (no adapter needed) get hot and go brittle so disintegrate. Another the motor has pushed the top off. Other annoyances are losing connections or pairings with remote sensor (this may improve adding more zigbee hubs), The Group function cannot be scheduled only individual TRVs (I want to set a room not a radiator) and they eat batteries and rechargeable are not supported. It’s a shame as otherwise it’s a good system but needs a new design IMO. Support was initially good at replacing now they dont respond.
I am afraid I no longer recommend this product. I have 20 paired with sensors and about 5 have broken within 18-24 months. The plastic splines that mount to UK radiator (no adapter needed) get hot and go brittle so disintegrate. Another the motor has pushed the top off. Other annoyances are losing connections or pairings with remote sensor (this may improve adding more zigbee hubs), The Group function cannot be scheduled only individual TRVs (I want to set a room not a radiator) and they eat batteries and rechargeable are not supported. It’s a shame as otherwise it’s a good system but needs a new design IMO. Support was initially good at replacing now they dont respond.
Images in this review
- Reviewed in the United Kingdom on 15 March 2023Style Name: Radiator Thermostat E1Verified PurchaseSo I tryed already the meross trv, a tuya trv and this one.
I started from meross trv. Worked ok but was noisy. Im really sensitive with the sound while Im sleeping, and that was the mayor reason to removed.
Then I bought a tuya trv. Is a bit... difficult to keep it connected but even awake, I can't even know if is working because is almost quiet. You have to put you ear too close to hear the motor working.
And then the aqara... looks a really nice quality, but just with as noisy as the meross. I dont event tryed to sleep one night because it was excatly the same than meross one.
As well, connected to HA trought zha it find it, but looked like didnt let me change the temp trought ha. As said, I didnt play too much because it will be a waste of time.
So if you re like me, that hate esporadic sounds... forget it. Next one will be the drayton trv and see how it works.
- Reviewed in the United Kingdom on 2 January 2025Style Name: Radiator Thermostat E1Verified PurchaseI bought these to replace some simple thermostatic valves with a 1-5 setting. The Aquara ones have a nice clear screen on the top and the temperature can be set by twisting the top of via Zigbee. The manufacturer says that you need their hub but I have mine running directly from HomeAssistant using a generic Zigbee dongle, this is a big plus because it means they are futureproof.
Very easy to fit and they come with some adapters that will fit most radiators.
Based on the battery use so far I think it will need new batteries about every 2 years which is very good.
The only downside I have found is that when close to temperature setpoint they open and close the valve slightly every few minutes (which is expected) but this makes a faint buzz for a second or two which is just about loud enough to be irritating in a bedroom but I am being very picky in mentioning this.
I will update this review when the first unit needs a new battery.
Top reviews from other countries
- RichardReviewed in Spain on 13 February 2025
5.0 out of 5 stars Very good product.
Style Name: Radiator Thermostat E1Verified PurchaseVery pleased with how these work. They do a great job of controlling our radiators. Easy to control using a separate thermostat.
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pczachoReviewed in Poland on 24 November 2024
2.0 out of 5 stars Kiepskie wykonanie, tylko 1 harmonogram, brak kalibracji temperatury, głośny
Style Name: Radiator Thermostat E1Verified PurchaseTermostat ładnie wygląda + bezproblemowe parowania z zigbee.
Niestety jest to najgłośniejszy termostat jaki mam ( min: GTZ06, BRT-100-TRV, Homematic ).
Pierścień do ustawiania temperatury bardzo tandetny, luźno się kręci, można bardzo łatwo przypadkowo zmienić temperaturę.
Tylko jeden scenariusz harmonogramu, nie da się utawić osobno da weekend osobno na dni robocze - przynajmniej w przypadku parowania z Home Assistant.
Spodziewałem się po marce Aqara znacznie wyższej jakości
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Client d'AmazonReviewed in France on 27 December 2023
5.0 out of 5 stars Utilisable en Zigbee sur HASS
Style Name: Radiator Thermostat E1Verified PurchaseMalheureusement ne se monte pas sur un seul des radiateurs de la maison.
Du coup j'en aie pris qu'une et en test est utilisable sur Home Assistant en Zigbee.
Celle ci est directement reconnu et utilisable sous HASS.
Matériaux : bonne qualité, c'est du Xiaomi ;)
Fonctionne avec pile AA.
Longévité : quasi 1 année.
Installation : pensez à regarder une vidéo tuto avant.
Je recommande mais attention à votre sortie de radiateur malgré les adaptateurs fournit.
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Deniz ilimanReviewed in Turkey on 25 February 2025
5.0 out of 5 stars Tavsiye Ederim
Style Name: Radiator Thermostat E1Verified PurchaseÜründen 6 tanesini evde peteklerde kullanıyorum. Aqara app’e eklerken doğru sıcaklık ölçümü ve kalibrasyon için ayrıca her odaya ben Aqara hava kalite sensörü aldım, sıcaklık sensörüde olur. Ürün kurulumda harici sıcaklık sensörü, istiyor ama sıcaklık sensörü olmadan da kullanılabilir. ben oda sıcaklık konforu için bu şekilde tercih ettim. Sıcaklık sensörü olmayan odalarda bazen anormal sıcaklık uyarısı verip bildirim gönderdiği oluyor ya da kalibrasyon hatası verip kalibrasyon istiyor. en önemlisi Aqara App'de cihaz ayarlar kısmında Valf Testi Bildirimi diye bir tik var eğer onu kapatmazsanız ara ara hata veriyor. Cihaz HUB ile çalışıyor ben Aqara Hub G3 Kamera ile kullanıyorum hem Hub olarak hem de güvenlik kamerası olarak güzel oldu. Cihaz Apple Homekit ve Google Home uyumlu olduğu için birinci tercihim oldu. Cihaz malzeme kalitesi orta seviye diyebilirim. Cihazla ilgili ev sıcaklığı ve konforu olarak mükemmel fakat tasarruf kısmında çok anlamadım. Evimiz Dubleks olduğu için alt katlarda cihaz takılı üst katlar çok iyi ısınmadığı için takmadım. Eksi yönü olarak radyotöre bağlantı kısmı sert plastik takarken dikkat etmek gerekli, son olarak takarken papağan pense veya zarar vermeyecek bir şeyle iyice sıkmanız gerekiyor yoksa valf tam olarak radyatörü ittiremediği için peteği kapatamıyor. birde cihaz sağ vanaya yani sıcak su giriş vanasına takılması gerekiyor. Bizim peteklerimiz Termostatik Petek olmadığı için bütün petek sıcak su giriş kısmını Eca Termostatik Petek Radyatör Vana Gövdesi ile değiştirdim, kendiniz yapabilirsiniz çok zor değil. (ben biraz araştırmak zorunda kaldım o nedenle alacak arkadaşlara kolaylık olması için ayrıntılı yazdım)
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Amazon KundeReviewed in Germany on 18 March 2025
5.0 out of 5 stars Klare Empfehlung für alle Smart-Home-Fans!
Style Name: Radiator Thermostat E1Verified PurchaseDas Aqara E1 ist ein smartes Heizthermostat, das sich leicht montieren lässt und dank Zigbee-Technologie perfekt ins Smart Home integriert. Es hilft, Heizkosten zu senken, den Komfort zu steigern und macht die Steuerung per App oder Sprachbefehl super einfach.
Was überzeugt?
✅ Einfache Installation – Auch ohne handwerkliches Geschick schnell montiert.
✅ Smarte Funktionen – Kombinierbar mit Fensterkontaktsensoren, sodass die Heizung automatisch abschaltet, wenn ein Fenster geöffnet wird.
✅ App & Alexa-Steuerung – Bequem per App regeln oder einfach Alexa nach der Temperatur fragen.
✅ Geofencing – Erkennt, ob du zu Hause bist, und passt die Temperatur entsprechend an.
✅ Modernes Design – Schlicht, zeitlos und unauffällig.
Gibt es Nachteile?
➖ Das seitliche Display ist nicht immer optimal ablesbar.
➖ Funktioniert nur mit einem Aqara Hub oder Zigbee 3.0-Gateway.
Fazit
Wer sein Zuhause smarter machen und Heizkosten sparen will, ist mit dem Aqara E1 bestens beraten. Besonders in Kombination mit anderen Sensoren entfaltet es sein volles Potenzial. Ein kleiner Nachteil ist das seitliche Display, aber da die Steuerung ohnehin meist über die App läuft, ist das kein großes Problem.
⭐️⭐️⭐️⭐️⭐️ – Klare Empfehlung für alle Smart-Home-Fans!
Amazon KundeKlare Empfehlung für alle Smart-Home-Fans!
Reviewed in Germany on 18 March 2025
Was überzeugt?
✅ Einfache Installation – Auch ohne handwerkliches Geschick schnell montiert.
✅ Smarte Funktionen – Kombinierbar mit Fensterkontaktsensoren, sodass die Heizung automatisch abschaltet, wenn ein Fenster geöffnet wird.
✅ App & Alexa-Steuerung – Bequem per App regeln oder einfach Alexa nach der Temperatur fragen.
✅ Geofencing – Erkennt, ob du zu Hause bist, und passt die Temperatur entsprechend an.
✅ Modernes Design – Schlicht, zeitlos und unauffällig.
Gibt es Nachteile?
➖ Das seitliche Display ist nicht immer optimal ablesbar.
➖ Funktioniert nur mit einem Aqara Hub oder Zigbee 3.0-Gateway.
Fazit
Wer sein Zuhause smarter machen und Heizkosten sparen will, ist mit dem Aqara E1 bestens beraten. Besonders in Kombination mit anderen Sensoren entfaltet es sein volles Potenzial. Ein kleiner Nachteil ist das seitliche Display, aber da die Steuerung ohnehin meist über die App läuft, ist das kein großes Problem.
⭐️⭐️⭐️⭐️⭐️ – Klare Empfehlung für alle Smart-Home-Fans!
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Product Summary: Aqara Smart Radiator Thermostat E1, REQUIRES AQARA ZIGBEE 3.0 HUB, Smart Thermostatic Radiator Valve with Voice Control, Geofencing Support, Compatible with HomeKit, Alexa, Google Assistant and IFTTT
From Aqara
Price
One-time purchase: £42.49 15% Savings
List Price: £49.99
All prices include VAT.
About this Item
- ✽[NOTES] An Aqara Zigbee 3.0 Hub is required and sold separately. The Aqara Smart Radiator Thermostat E1 is compatible with a wide range of the ecosystems and voice assistants. HomeKit, Alexa, Google, IFTTT and the soon to be released Matter will be supported. The Radiator Thermostat E1 can fit most of the radiator valves directly (Threaded Connection: M30×1.5 mm) or with our adapters (Adapters RA/RAV/RAVL are included).
- [External Temperature Readings] The Aqara Smart Radiator Thermostat E1 can receive the temperature readings directly from the connected Aqara Temperature and Humidity Sensor from another corner of the room, even in HomeKit. The control of temperature will be more accurate for the whole room and the thermostat will be able to adjust the radiator based on the actual room temperature.
- [Energy Saving] By connecting the Aqara Smart Radiator Thermostat E1 to the Aqara Door and Window Sensor or the Aqara Motion Sensor, it will turn off the heating if detects that the door or window is open or detects no motion for some time, which is an easy way to save energy. Moreover, the schedules can be set for the desired periods of time, such as day or night. It can automatically open or close the radiator valve and reduce your energy consumption
- [Geofencing and Multi Home Support] No more entering a cold home. By setting the geofencing, the Aqara Smart Radiator Thermostat E1 will start heating before you arrive. Even if you have more than one home, you will be able to set up the independent automations for each of them.
- [Device Grouping Support] In case of having multiple radiators in one room, all of them will be synchronized in the most efficient way based on the actual temperature of the room.
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