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Smart Thermostats reviews and tests

Alza Test Ranks Smart Thermostats Based on User Reviews and Other Data

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Smart Thermostats – Test Results

The result for smart thermostats at several price levels is:

What is the Alza Test?

Hundreds of categories, thousands of products, millions of details and user reviews for smart thermostats. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from smart thermostats rank are based solely on various data and feedback from actual people who have purchased the products.

183 Results
4.6 23×
Tado Smart Cable Thermostat X (Starter Kit)
Thermostat - smart programmable, with placement on boiler and underfloor heating, input voltage: 230 V and 5 V, power: power plug, Battery-Powered and USB, weekly and daily programmes
Amazing Deal 119.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tado24004
4.6 23×
Tado Smart Cable Thermostat X
Thermostat - smart programmable, with placement on boiler and underfloor heating, input voltage: 5 V, power: Battery-Powered and USB, weekly and daily programmes
Amazing Deal 69.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tado24005
4.8 14×
EMOS GoSmart Digital room thermostat for underfloor heating P56201UF with wifi
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, weekly and daily programmes
73.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HM499f5j
4.6 20×
Danfoss Ally eTRV Zigbee, Thermostatic head, 014G2460
Thermostat Head - Smart, for control of home heating, placement: radiator, Battery-Powered, weekly and daily programmes, operation: Via central unit / bridge, open window detection and frost protection, compatible valve type: M30, control via Android and iOS app in English
97.97 €
Currently Unavailable
Order Code: DNFS1014
4.9 11×
SONOFF IP65 Zigbee LCD Smart Thermometer (Probe Version) SNZB-02LD
Digital Thermometer – IP65 waterproof design with 1.5m probe, temperature measurement even in liquids and confined spaces, 2.2″ LCD display, accuracy ±0.2 °C, measurement history up to 180 days, smart scenes and notifications, compatible with voice assistants, Zigbee 3.0 compatible
31.90 €
Buy
On the way > 5 pcs
Expected 25/06/2026
Order Code: SNFa117
4.4 59×
Danfoss Eco BT white
Thermostat Head - Smart programmable, for control of home heating, placement: radiator, Battery-Powered, weekly programmes, connected via Bluetooth, operation: Standalone, compatible valve type: RA, RAV, RAVL and M30, control via Android and iOS app in English
42.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: DNFS18d
4.8 13×
AVATTO TRV06 Zigbee for Electric thermostat
Thermostat Head - Smart, for control of home heating, placement: radiator, compatible with Tuya and Smartlife, Battery-Powered, weekly programmes, connected via WiFi 2,4 GHz, operation: Via central unit / bridge, compatible valve type: M30, control via Android and iOS app in Czech and English
32.90 €
Buy
On the way > 5 pcs
Expected 25/09/2026
Order Code: AVT014a
4.5 32×
Sonoff THR320D TH Elite
Thermostat - smart programmable, with placement on boiler, underfloor heating, radiator and boiler, input voltage: 230 V, power: power plug, weekly and daily programmes
Great price 18.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa049
4.4 31×
AVATTO WT410-BH-3A-W Wifi for Gas Boiler
Thermostat - smart programmable, with placement on boiler, input voltage: 230 V, power: power plug, weekly programmes
Great price 24.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AVT004a
4.4 31×
AVATTO WT410-16A-W Wifi for Eletric Heating
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, weekly programmes
27.90 €
Buy
On the way > 5 pcs
Expected 25/09/2026
Order Code: AVT006a
4.4 31×
AVATTO WT410-WH-3A-W Wifi for Electric heating
Thermostat - smart programmable, with placement on boiler, input voltage: 230 V, power: power plug, weekly programmes
26.90 €
Buy
On the way > 5 pcs
Expected 25/09/2026
Order Code: AVT005a
4.5 26×
Sonoff NSPanel Pro, white
Central Unit - used as heating and cooling and home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Google Home and eWeLink, compatible with Android and iOS, control in in English, power plug power supply
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 104.47 €
Amazing Deal 122.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa071
4.4 27×
IMMAX NEO Smart temperature and humidity sensor, Zigbee 3.0
Sensor - Zigbee 3.0, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with Amazon Alexa voice assistants, Apple Siri Shortcuts, Google Assistant and TUYA systems, LIDL, power supply by CR2032 battery
Amazing Deal 20.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMXX2344
4.2 77×
IMMAX NEO MULTI BRIDGE PRO Smart Zigbee 3.0, BT v3
Central Unit - used as lighting, heating and cooling, electrical installation, security and home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Apple Siri shortcuts, Tuya, Lidl Home and Immax NEO PRO, compatible with Android and iOS, power plug power supply
33.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX_22_32
4.4 22×
Honeywell Evohome thermostatic head
- Smart programmable, for control of home heating, placement: radiator, Battery-Powered, weekly programmes, connected via Radio frequency, operation: Via central unit / bridge, temperature sensor, compatible valve type: RA and M30, control via Android and iOS app in Czech
68.90 €
Buy
On the way 1 pcs
Expected 05/06/2026
Order Code: QT081j
4.4 19×
EZVIZ Smart set for heating (2xT55, A3-R200)
Thermostat Head - Smart programmable, for control of home heating, placement: radiator, compatible with EZVIZ, power plug and Battery-Powered, weekly and daily programmes, connected via WiFi 2,4 GHz, operation: Via central unit / bridge, temperature sensor, timer and open window detection, compatible valve type: M30, control via Android and iOS app in Czech and English
153.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ23_21
4.4 19×
EZVIZ Smart thermostatic head T55
Thermostat Head - Smart, for control of home heating, placement: radiator, compatible with Apple Home, Google Home and EZVIZ, Battery-Powered, weekly and daily programmes, connected via WiFi 2,4 GHz, operation: Via central unit / bridge, temperature sensor, timer and open window detection, compatible valve type: RA and M30, control via Android and iOS app in Czech and English
55.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ23_16
4.2 105×
Smart Thermostatic Valve TV100
Thermostat Head - Smart, for control of home heating, placement: radiator, compatible with Tesla Smart, Battery-Powered, daily programmes, connected via WiFi 2,4 GHz, operation: Via central unit / bridge, temperature sensor, compatible valve type: RA, RAV, RAVL, M30 and M28, control via Android and iOS app in Czech and English
44.90 €
Currently Unavailable
Order Code: Tsl_22_15
4.6 12×
Meross Smart Wi-Fi Socket with Thermostat
Smart Socket controlled via Wifi, operated: standalone, compatible with Apple Home, Google Home, Samsung SmartThings and Manufacturer app, thermostat, application in English, czech, german and in Polish for Android and iOS, IP20
57.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer24_06
4.8
AVATTO WT598 WiFi Smart Gas Boiler Thermostat
Thermostat - smart programmable, with placement on boiler and boiler, input voltage: 5 V, power: Battery-Powered and USB, weekly and daily programmes
36.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AVT049a
4.1 175×
Netatmo Additional Smart Radiator Valve
Thermostat Head - Smart, for control of home heating, placement: radiator, compatible with Apple Home and Manufacturer app, Battery-Powered, weekly programmes, connected via WiFi 2,4 GHz, operation: Via central unit / bridge, compatible valve type: RA, RAVL, M30 and M28, control via Android and iOS app in English
98.06 €
Buy
In stock > 5 pcs
Order Code: NET002x
4.1 93×
TESLA Smart Sensor Temperature and Humidity Display
Sensor - on the wall and on the table, measures temperature and humidity, with a display, 2 AAA batteries, white colour, dimensions 61 × 61 × 23 mm (H×W×D)
29.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_28
4.4 16×
Honeywell Evohome THR092HRT / HR92, wireless thermostatic head
Thermostat Head - Smart programmable, for control of home heating, placement: radiator, Battery-Powered, weekly and daily programmes, connected via Radio frequency, operation: Via central unit / bridge, compatible valve type: RA, M30 and M28, app in Czech and English
69.90 €
Buy
On the way 1 pcs
Expected 05/06/2026
Order Code: HN21Well28
4.3 21×
Tado° smart thermostatic head X, starter kit
Thermostat Head - Smart, for control of home heating, compatible with Apple Home and Google Home, Battery-Powered and USB, connected via WiFi 2,4 GHz, operation: Via central unit / bridge, control via Android and iOS app in English
295.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tado24001
 
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