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:

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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.

214 Results
4.1 10×
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Elektrobock BT710 - transmitter
Thermostat - smart programmable, input voltage: 3V, weekly and daily programmes
  32.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: ELBOCK098
4.4 5×
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Honeywell DT2
Thermostat - programmable, with placement on boiler and underfloor heating, power: power plug, timer
  40.90 €
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: HnWll00015
4.1 9×
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Elektrobock PT14-P
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, weekly and daily programmes
BLACK FRIDAY -10 % 35.91 € 39.90 €
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In stock
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Order Code: ELBOCK011
4.0 16×
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Honeywell Lyric T6 Y6H910WF1011
Thermostat - smart programmable, with placement on radiator, input voltage: 24 V, power: power plug, weekly programmes
  186.97 €
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In stock > 5 pcs
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Order Code: QT080i1
4.7 3×
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Honeywell T136, Digital room thermostat, T136C110AEU
Thermostat - programmable, with placement on boiler, input voltage: 3V, power: Battery-Powered, weekly and daily programmes
  50.89 €
Buy
In stock > 5 pcs at the supplier's
Order Code: HN21Well26
5.0 2×
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Honeywell T3R
Thermostat - programmable, with placement on boiler and underfloor heating, input voltage: 3V, power: power plug and Battery-Powered, weekly and daily programmes
  159.90 €
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In stock 1 pcs
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Order Code: HnWll00013
5.0 2×
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Siemens thermostat RDE100.1, programmable, digital, room thermostat, wired
Thermostat - programmable, input voltage: 3V, power: Battery-Powered, weekly and daily programmes
  84 €
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In stock > 5 pcs
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Order Code: SimS21mv12
5.0 2×
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Siemens Connected Home WiFi router GTW100ZB, Zigbee
Central Unit - used as heating and cooling, connect using WiFi 2,4 GHz and Ethernet, communication via Connected Home, compatible with Android and iOS, power plug power supply
BLACK FRIDAY -14 % 123.40 € 144.97 €
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In stock
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Order Code: Agcenjed1
5.0 2×
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Honeywell room thermostat DT2R, digital, wireless
Thermostat - programmable, with placement on boiler and underfloor heating, input voltage: 3V, power: Battery-Powered, planning and timer
  119.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: HnWll00016
5.0 2×
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Danfoss adapter 014G0263, for Caleffi/Giacomini valve bodies
Module Danfoss adapter 014G0263, for Caleffi/Giacomini valve bodies
  9.19 €
Currently Unavailable
Order Code: DNFS23_06
3.8 27×
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AVATTO ZWT100-16A Zigbee for Electric heating
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, weekly programmes
  40.90 €
Buy
On the way > 5 pcs
Expected 06/11/2026
Order Code: AVT003a
3.7 35×
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Elektrobock BT725 WIFI
Thermostat - smart programmable, with placement on boiler, input voltage: 230 V and 3V, weekly and daily programmes
BLACK FRIDAY -15 % 112.11 € 131.90 €
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In stock
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Order Code: ELBOCK074
4.5 2×
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Somfy Radio thermostat io white
Thermostat - smart programmable, input voltage: 230 V, power: power plug, weekly programmes
  220.90 €
Buy
In stock 1 pcs
Order Code: SOMF22_04
4.5 2×
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Eve Thermo Control Temperature Sensor & Controller for Eve Thermo (Matter)
Thermostat - smart programmable, with placement on radiator, input voltage: 5 V, power: Battery-Powered, planning and temperature sensor
BLACK FRIDAY -24 % 69.99 € 92.90 €
Currently Unavailable
Order Code: Eve24005
4.0 4×
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Meross Smart Wi-Fi Thermostat for Boiler/Water Heating System, white
Thermostat - smart programmable, with placement on boiler and boiler, input voltage: 230 V, power: power plug, weekly and daily programmes
BLACK FRIDAY -19 % 56.52 € 69.90 €
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In stock
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Info
Order Code: Mer2516
4.0 4×
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Meross Smart Wi-Fi Thermostat for Boiler/Water Heating System, black
Thermostat - smart programmable, with placement on boiler and boiler, input voltage: 230 V, power: power plug, weekly programmes
BLACK FRIDAY -19 % 56.52 € 69.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2517
3.8 14×
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Elektrobock BT23 RF
Thermostat - smart programmable, with placement on boiler, input voltage: 230 V, weekly and daily programmes
BLACK FRIDAY -10 % 119.61 € 132.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK065
3.8 9×
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Elektrobock BT 102
Thermostat - smart programmable, with placement on boiler, input voltage: 230 V, daily programmes
  59.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: ELBOCK012
5.0 1×
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Tado Smart Wired Thermostat X (Starter Kit), 2nd generation
Thermostat - smart programmable, with placement on boiler, input voltage: 5 V, power: Battery-Powered and USB, daily programmes
BLACK FRIDAY -20 % 159.90 € 199.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tado26002
5.0 1×
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EZVIZ Smart Thermostat T56
Thermostat - smart programmable, power: Battery-Powered, weekly and daily programmes
BLACK FRIDAY -25 % 86.01 € 114.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ25031
5.0 1×
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Elektrobock PT44-8
Thermostat - electronic unit designed for controlling up to 8 independent circuits of hot water heating, based on requests from thermostats in individual rooms it switches on the thermoelectric drive, boiler and circulation pump
BLACK FRIDAY -15 % 63.66 € 74.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK153
5.0 1×
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HEATIT Z-TRM6 - Black matt
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, weekly programmes
  132.04 €
Buy
In stock 4 pcs at the supplier's
Order Code: HEA23_07
5.0 1×
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Danfoss adapter 014G0253, for RTD valve bodies
Module Danfoss adapter 014G0253, for RTD valve bodies
  11.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: DNFS23_05
5.0 1×
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Siemens Connected Home room thermostat RDZ100ZB ZigBee, with built-in relay
Thermostat - smart programmable, input voltage: 3V, power: Battery-Powered, weekly and daily programmes
  125.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SimS23_02
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