{"product_id":"sonoff-trvzb-zigbee-smart-thermostat-set-of-2-remote-control-schedules-open-window-detection-frost-protection-home-assistant-compatibility","title":"Sonoff TRVZB ZigBee smart thermostat, set of 2, remote control, schedules, open window detection, frost protection, Home Assistant compatibility","description":"\u003cdiv style=\"font-size: 1.1em;\"\u003e\n\u003ch2\u003eSonoff TRVZB ZigBee – simple remote control of radiator heating\u003c\/h2\u003e\n\u003cdiv class=\"context-badges\"\u003e \u003cspan\u003eGood for radiators\u003c\/span\u003e \u003cspan\u003eSuitable for heating upgrades\u003c\/span\u003e \u003cspan\u003eWorks with Zigbee and Home Assistant\u003c\/span\u003e\n\u003c\/div\u003e A smart set of two thermostatic heads allows you to easily adjust the temperature of your radiators remotely and set schedules tailored to your home.\u003cul\u003e\n\u003cli\u003e Remote temperature control via app\u003c\/li\u003e\n\u003cli\u003e Open window detection for energy saving\u003c\/li\u003e\n\u003cli\u003e Frost protection for a carefree winter\u003c\/li\u003e\n\u003cli\u003e Cordless battery operation – quick installation\u003c\/li\u003e\n\u003cli\u003e Compact kit for upgrading multiple rooms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eSONOFF ZigBee TRVZB thermostatic head, 2 pieces\u003c\/h3\u003e\u003cp\u003e SONOFF TRVZB is a smart ZigBee thermostatic head that allows you to conveniently manage the temperature in individual rooms and better control energy consumption. The device supports automatic and manual modes, heating schedules, open window detection and frost protection function. Thanks to integration with popular smart home systems, you can control your heating from your smartphone, tablet, computer or central control panel, no matter where you are. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Radiator with smart thermostat head, open window above it and winter landscape behind it\" src=\"https:\/\/assets.innpro.pl\/22988\/30105\/5.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Remote control and schedules\u003c\/h3\u003e\u003cp\u003e TRVZB allows you to conveniently control your heating via an application available on smartphones, tablets and computers. Through the interface, you can check the current temperature, heating status and battery charge level, and set the desired operating temperature. The thermostat also allows you to create detailed heating schedules for each day of the week, automatically lowering the temperature when you are away and raising it before you return home, which improves comfort and helps reduce energy consumption. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Smartphone with scheduling feature enabled, bedroom in background\" src=\"https:\/\/assets.innpro.pl\/22988\/30105\/6.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Energy saving and individual control\u003c\/h3\u003e\u003cp\u003e The open window detection function automatically turns off the heating when it detects a sudden drop in temperature, reducing energy loss during ventilation. The thermostat also allows independent temperature control in each room, allowing you to set different parameters for the living room, bedroom, children's room or home office. This makes it easy to improve the comfort of household members and prevent overheating of unused rooms. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"A smartphone showing radiator settings; in the background, a woman sitting on a chair holding a smartphone.\" src=\"https:\/\/assets.innpro.pl\/22988\/30105\/2.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Smart scenes and group control\u003c\/h3\u003e\u003cp\u003e TRVZB can work with temperature and humidity sensors and use their readings as a reference temperature for heating control. It also supports smart automation scenes with other smart home devices, such as modules that control the heating source. It also allows you to group multiple thermostatic valves so that you can control the heating in multiple rooms at the same time with a single command - for example, by switching all radiators to frost protection mode. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Laptop with downloaded software for the Zigbee adapter\" src=\"https:\/\/assets.innpro.pl\/22988\/30105\/1.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Wide compatibility and home assistant\u003c\/h3\u003e\u003cp\u003e TRVZB works with SONOFF ZBBridge-P, ZBBridge-U, NSPanel Pro and iHost gateways and the Zigbee2MQTT platform. All key features such as schedules, temperature calibration, open window detection, parental control, operation history and OTA updates are available on compatible systems. The thermostat can also be integrated with Home Assistant via Zigbee2MQTT, providing access to temperature control, operation modes, parental control, temperature calibration, frost protection, battery level monitoring and device operation history. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"A mother sits on a rug, caring for her child; behind them, on a side table, is a voice assistant.\" src=\"https:\/\/assets.innpro.pl\/22988\/30105\/4.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Comfort, safety and operating history\u003c\/h3\u003e\u003cp\u003e TRVZB offers a parental lock to prevent accidental changes to settings, automatic calibration to ensure correct valve operation, and a frost protection function that automatically activates heating at low temperatures, protecting the heating system from damage. The device also records historical temperature data and preset settings and displays them hourly, daily and monthly, allowing for analysis of heating system performance and optimization of heating schedules. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Smartphone in hand with heating settings turned on; radiator with thermostat in background\" src=\"https:\/\/assets.innpro.pl\/22988\/30105\/7.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Included in the kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e thermostatic head x2\u003c\/li\u003e\n\u003cli\u003e user manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"table-wrapper\"\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e Manufacturer\u003c\/th\u003e\n\u003ctd\u003e Sonoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Model\u003c\/th\u003e\n\u003ctd\u003e TRVZB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Input voltage\u003c\/th\u003e\n\u003ctd\u003e 100-240 V~, 50\/60 Hz, maximum 10 A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Output voltage\u003c\/th\u003e\n\u003ctd\u003e 100-240 V~, 50\/60 Hz, maximum 10 A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Maximum power\u003c\/th\u003e\n\u003ctd\u003e 2400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Wi-Fi connectivity\u003c\/th\u003e\n\u003ctd\u003e IEEE 802.11 b\/g\/n 2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Operating temperature\u003c\/th\u003e\n\u003ctd\u003e from -10°C to 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Operating humidity\u003c\/th\u003e\n\u003ctd\u003e 5-95% relative humidity, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Housing material\u003c\/th\u003e\n\u003ctd\u003e Computer V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Dimensions\u003c\/th\u003e\n\u003ctd\u003e 39.5 × 33 × 16.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e Warranty: 12 months\u003cbr\u003e\u003cbr\u003e The text is machine translated.\u003c\/p\u003e\u003cbr\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eSame summary\u003c\/h2\u003e\u003cp\u003e The Sonoff TRVZB ZigBee smart thermostat, a set of two, is best suited for users who want to smartly upgrade radiators without interfering with the electrical wiring — for example, in apartments or houses with an existing heating system. Battery power allows for quick and easy installation, while remote control and schedules make daily routines easier and help manage heating costs more efficiently. Since it supports the Zigbee protocol and is compatible with Home Assistant, it makes sense to choose it if you already use this ecosystem of smart devices in your home. It is less suitable for those who have underfloor heating or want more complex wired solutions.\u003c\/p\u003e\u003cp\u003e \u003cem\u003eRecommendation source: Enaa guides and team experiences.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003e User view\u003c\/h2\u003e\u003cp\u003e The product is often chosen by residents who want to introduce basic smart automation into their home, despite renting or having an older heating system, without having to make any changes to the wiring. The application allows you to manage the temperature and schedules for each room separately, which is very convenient in practice if you want stable heat when you get home or if you want to save energy by heating only when it really makes sense. Open window detection and frost protection add some peace of mind, especially in the winter months or in rooms that you don't always have control over.\u003c\/p\u003e\u003cp\u003e Users also often trust the wider range of smart solutions from the \u003ca href=\"https:\/\/www.enaa.com\/znamka\/sonoff\"\u003eSonoff\u003c\/a\u003e brand, as they enable easy integration of new devices into an existing system without major complications.\u003c\/p\u003e\u003ch2\u003e Why buy at Enaa\u003c\/h2\u003e\u003cp\u003e At Enaa, you can choose from proven smart thermostat models, supported by clear compatibility information and practical filters to quickly find the right product. The purchase is further facilitated by detailed product presentations and a consulting approach, which ensure that the choice meets your wishes and needs at home.\u003c\/p\u003e\u003ch2\u003e Answers to frequently asked questions\u003c\/h2\u003e\u003ch3\u003e Does the kit include everything for mounting on standard radiators?\u003c\/h3\u003e\u003cp\u003e The Sonoff TRVZB ZigBee kit includes two thermostatic heads and adapters for the most common valve types, allowing easy installation on most standard radiators. It is recommended to check the valve type on your radiator beforehand.\u003c\/p\u003e\u003ch3\u003e Does the thermostat work without an internet connection?\u003c\/h3\u003e\u003cp\u003e The thermostat connects via the Zigbee protocol and can operate locally with a suitable Zigbee hub or gateway. Basic functions such as temperature control and schedules are therefore available even when the internet connection is interrupted.\u003c\/p\u003e\u003ch3\u003e How often do I need to change the batteries?\u003c\/h3\u003e\u003cp\u003e The frequency of battery replacement depends on the type of use and the quality of the batteries used, but on average they are sufficient for one heating season. The device usually warns you in good time when the battery level is low.\u003c\/p\u003e\u003ch3\u003e Is integration with Home Assistant possible?\u003c\/h3\u003e\u003cp\u003e Yes, this model is certified compatible with the Home Assistant platform, allowing you to create more advanced scenarios and automations together with other smart devices in your home.\u003c\/p\u003e\u003ch3\u003e Is it also suitable for underfloor heating?\u003c\/h3\u003e\u003cp\u003e The Sonoff TRVZB ZigBee model is primarily intended for radiators and is not suitable for direct control of underfloor heating, so we recommend choosing specialized solutions for such a system.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e\u003cbr \/\u003e\n{\u003cbr \/\u003e\n  \"@context\": \"https:\/\/schema.org\",\u003cbr \/\u003e\n  \"@type\": \"FAQPage\",\u003cbr \/\u003e\n  \"mainEntity\": [\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali komplet vključuje vse za montažo na standardne radiatorje?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Komplet Sonoff TRVZB ZigBee vsebuje dve termostatski glavi ter adapterje za najpogostejše tipe ventilov, kar omogoča enostavno namestitev na večino standardnih radiatorjev. Priporočljivo je predhodno preveriti tip ventila na vašem radiatorju.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali termostat deluje brez internetne povezave?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Termostat se povezuje prek protokola Zigbee in lahko deluje lokalno z ustreznim Zigbee hubom oziroma prehodom. Osnovne funkcije, kot so regulacija temperature in urniki, so tako na voljo tudi ob moteni internetni povezavi.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kako pogosto je potrebno menjati baterije?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Pogostost menjave baterij je odvisna od načina uporabe in kakovosti uporabljenih baterij, a v povprečju zadostujejo za eno ogrevalno sezono. Naprava vas običajno pravočasno opozori ob nizkem stanju baterije.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali je možna integracija s Home Assistant?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Da, ta model je potrjeno združljiv s platformo Home Assistant, kar omogoča tvorjenje naprednejših scenarijev in avtomatizacij skupaj z drugimi pametnimi napravami v vašem domu.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali je primeren tudi za talno ogrevanje?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Model Sonoff TRVZB ZigBee je prvenstveno namenjen radiatorjem in ni primeren za neposredno upravljanje talnega ogrevanja, zato priporočamo izbiro specializiranih rešitev za takšen sistem.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    }\u003cbr \/\u003e\n  ]\u003cbr \/\u003e\n}\u003cbr \/\u003e\n\u003c\/script\u003e\u003cp style=\"font-size: 0.9em; color: #666;\"\u003eDescription updated: July 2026\u003c\/p\u003e","brand":"Sonoff","offers":[{"title":"Default Title","offer_id":58953638805835,"sku":null,"price":58.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3457\/3643\/files\/sonoff_zigbee_trvzb_thermostatic_head_2_pack_20262224.jpg?v=1792674298","url":"https:\/\/enaa.eu\/products\/sonoff-trvzb-zigbee-smart-thermostat-set-of-2-remote-control-schedules-open-window-detection-frost-protection-home-assistant-compatibility","provider":"Enaa","version":"1.0","type":"link"}