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.

215 Results
4.8 6×
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Honeywell Evohome Round Thermostat
Thermostat - programmable, with placement on boiler and underfloor heating, input voltage: 3V, power: Battery-Powered, weekly programmes
  69.90 €
Buy
In stock > 5 pcs at the supplier's
Order Code: QT081p
5.0 5×
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MOES Smart Electric Heating Thermostat, Zigbee
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, weekly programmes
  57.90 €
Buy
In stock > 5 pcs
Order Code: Moes22_45
5.0 5×
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Siemens thermostat RAA21, room thermostat, wired
Thermostat - programmable, input voltage: 230 V and 24 V, power: power plug
BLACK FRIDAY -14 % 22.80 € 26.60 €
Buy
In stock
Order Code: SimS21mv7
5.0 5×
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Homematic IP Wall thermostat with humidity sensor
Thermostat - smart programmable, with placement on radiator, input voltage: 3V, power: Battery-Powered, weekly programmes
  62.18 €
Currently Unavailable
Order Code: Home22_05
4.5 8×
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IMMAX NEO LITE Smart Nexa for electric underfloor heating 16A, WiFi
Thermostat - smart socket programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, weekly and daily programmes
  45.84 €
Buy
On the way 2 pcs
Expected 03/11/2026
Order Code: IMMX25099
4.2 22×
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Elektrobock PT14-P-WIFI
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, weekly and daily programmes
  39.90 €
Buy
In stock 5 pcs
Order Code: ELBOCK093
4.6 7×
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Honeywell T135, Digital room thermostat, T135C110AEU
Thermostat - programmable, with placement on boiler, input voltage: 3V, power: Battery-Powered, planning, temperature sensor, battery indicator and pump protection
Great price 37.93 €
Buy
In stock > 5 pcs at the supplier's
Order Code: HN21Well25
4.3 14×
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EMOS GoSmart Wireless room thermostat P56211 with wifi
Thermostat - smart programmable, with placement on boiler and underfloor heating, input voltage: 230 V, power: power plug and USB, weekly and daily programmes
  115.89 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HM499f5h
4.3 14×
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Netatmo Smart Modulating Thermostat
Thermostat - smart programmable, with placement on boiler and underfloor heating, input voltage: 230 V, power: power plug, weekly and daily programmes
  234.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Net22_02
4.4 8×
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Tado Smart air conditioning control V3+
Thermostat - smart socket programmable, input voltage: 230 V, power: USB, weekly and daily programmes
  119.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TADO08
4.5 7×
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Siemens thermostat RDH100, digital, room thermostat with wheel, wired
Thermostat - programmable, input voltage: 3V, power: Battery-Powered
  62.90 €
Buy
In stock > 5 pcs
Order Code: SimS21mv10
4.4 8×
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Honeywell Lyric T6R Y6H910RW4022
Thermostat - smart programmable, input voltage: 5 V, power: power plug, weekly programmes
Discounted -1 % 199.90 € 202.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: QT080i2
4.0 27×
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Elektrobock PT10 Digital
Thermostat - programmable, with placement on boiler, input voltage: 230 V and 3V, daily programmes
  22.90 €
Buy
In stock 4 pcs
Order Code: ELBOCK089
4.2 12×
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Elektrobock PT14
Thermostat - programmable, with placement on underfloor heating, input voltage: 230 V, temperature sensor and timer
  30.90 €
Buy
In stock 4 pcs
Order Code: ELBOCK010
4.6 5×
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Elektrobock PT741B-EI - black
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, weekly and daily programmes
BLACK FRIDAY -15 % 43.26 € 50.90 €
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK150
4.6 5×
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Elektrobock PT741W-EI - white
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, weekly and daily programmes
BLACK FRIDAY -10 % 48.51 € 53.90 €
Buy
In stock
Order Code: ELBOCK149
4.2 11×
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EMOS Contact Thermostat EMOS P5683
Thermostat - programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, temperature sensor
  30.90 €
Buy
In stock 3 pcs
Order Code: EMSR008
4.8 4×
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Vaillant Homematic IP Valve Adapter
Module - Adapter for Vaillant valves for connection of Thermostatic Heads (HmIP-eTRV-x) and Valve Drive (HmIP-VDMOT) Homematic IP with standard M30 x 1.5 mm fitting.
  7.59 €
Buy
In stock 2 pcs
Order Code: Home22_09
5.0 3×
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Homematic IP Starter Kit - heating control
Heating Set The HmIP-SK16 heating control starter kit for the initial integration of the Homematic IP smart home. The kit contains three basic elements for remote control of room temperature and the process of automating the heating of radiator bodies according to individual needs, resulting in immediate savings and a reduction in energy costs of up to 30%. The set includes the HmIP-HAP Central Unit, two HmIP-eTRV-B Thermostatic Heads and a free mobile app in CZ localization available for Android and iOS.
Great price 116.42 € Save 2.58 €
Currently Unavailable
Order Code: Home22_52
3.9 37×
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Elektrobock TS10
Smart Socket -, operated: standalone,compatible with , IP20 - 25.90 €/1 pc(s)
  25.90 €
Buy
In stock > 10 pcs
Order Code: ELBOCK025
4.4 6×
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TP-Link Cash Register KE110
Thermostat - smart programmable, with placement on radiator, input voltage: 3V, power: Battery-Powered, daily programmes
Amazing Deal 32.90 € Save 7 €
Buy
In stock > 5 pcs
Order Code: TP25061
4.1 14×
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AVATTO 3A Gas Boiler Wifi Smart Thermostat White
Thermostat - smart programmable, with placement on boiler, underfloor heating and boiler, input voltage: 230 V, power: power plug, weekly and daily programmes
  36.90 €
Currently Unavailable
Order Code: AVT051a
4.1 14×
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AVATTO 16A Eletric Heating Wifi Smart Thermostat White
Thermostat - smart programmable, with placement on underfloor heating, input voltage: 230 V, power: power plug, weekly and daily programmes
  41.90 €
Currently Unavailable
Order Code: AVT052a
4.1 14×
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AVATTO 3A Water Heating Wifi Smart Thermostat White
Thermostat - smart programmable, with placement on boiler, underfloor heating and boiler, input voltage: 230 V, power: power plug, weekly and daily programmes
  41.90 €
Currently Unavailable
Order Code: AVT050a
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