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Best Smart Thermostats

Smart Thermostat Comparison 2026

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Best Product
Tado smart thermostat
Tado smart thermostat
Check Price
Amazon
Bestseller
Speedo smart thermostat
Speedo smart thermostat
Check Price
Amazon
Tado V3+
Tado V3+
Check Price
Amazon
Best Price
HomeMatic 143159A0
HomeMatic 143159A0
Check Price
Amazon
Netatmo NTH01-DE-EC
Netatmo NTH01-DE-EC
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Amazon
Danfoss Eco 2
Danfoss Eco 2
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Amazon
Our Ratings
Model
Customer Ratings
Seller
Available From
Manufacturer
Dimensions
Operating voltage
Display features
Type of assembly
Radio technology
Temperature range
Weekly program
Timer
Anti-freeze protection
WLAN capable
App
Voice control
Advantages
1
Best Product
Tado smart thermostat
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Tado smart thermostat
Bewertung
2750 Reviews
Zum Anbieter
Amazon
Available at
Amazon
£165.55
eBay
£115.00
Manufacturer
Tado
Dimensions
2,7 x 3,5 x 6,9 in
Operating voltage
230 V
Display features
LC display
Type of assembly
Glue
Radio technology
Wireless
Temperature range
Weekly program
Timer
Anti-freeze protection
WLAN capable
App
Voice control
Advantages
  • Has a practical timer
  • Distinguishes between the working week and the weekend
  • With app
  • With anti-freeze protection
  • Is Wi-Fi capable
2
Bestseller
Speedo smart thermostat
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Speedo smart thermostat
Bewertung
2516 Reviews
Zum Anbieter
Amazon
Available at
amazon
£179.99
eBay
Check Price
Manufacturer
Speedo
Dimensions
Operating voltage
4,5 V
Display features
Type of assembly
Glue, Screws
Radio technology
Wireless, Wi-Fi
Temperature range
Weekly program
Timer
Anti-freeze protection
WLAN capable
App
Voice control
Advantages
  • Has a practical timer
  • Control via app
  • No cable clutter thanks to Wi-Fi
  • Can program settings for different days
  • Features voice control
3
Tado V3+
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Tado V3+
Bewertung
1945 Reviews
Zum Anbieter
Amazon
Available at
Amazon
£109.99
eBay
£146.00
Onbuy.com
£108.41
Manufacturer
Tado
Dimensions
2,8 x 6,9 x 6,9 in
Operating voltage
4,5 V
Display features
LED display
Type of assembly
Surface-mounted, Drilling, Glue, Screws, Wall mounting
Radio technology
6LoWPAN, 868 MHz, Wireless, Wi-Fi
Temperature range
Weekly program
Timer
Anti-freeze protection
WLAN capable
App
Voice control
Advantages
  • Is Wi-Fi capable
  • Timer included
  • Features voice control
  • Control via app
  • Various programmable modes
4
Best Price
HomeMatic 143159A0
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
HomeMatic 143159A0
Bewertung
2815 Reviews
Zum Anbieter
Amazon
Available at
amazon
£48.45
Manufacturer
HomeMatic
Dimensions
8,7 x 33,5 x 33,5 in
Operating voltage
1,5 V
Display features
LC display
Type of assembly
Surface-mounted, Glue, Adhesive tape, Screws, Flush mounting
Radio technology
868 MHz, Wireless, Wi-Fi
Temperature range
0 to 35 °C
Weekly program
Timer
Anti-freeze protection
WLAN capable
App
Voice control
Advantages
  • Can program settings for different days
  • Wireless reception via Wi-Fi
  • App control
  • Equipped with a frost anti-freeze protection
  • With voice control mode
  • Has a practical timer
5
Netatmo NTH01-DE-EC
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Netatmo NTH01-DE-EC
Bewertung
565 Reviews
Zum Anbieter
Amazon
Available at
amazon
£145.60
eBay
Check Price
Manufacturer
Netatmo
Dimensions
0,9 x 3,3 x 3,3 in
Operating voltage
1,2 V
Display features
LC display
Type of assembly
Glue, Adhesive tape, Screws, Wall mounting
Radio technology
Wireless, Wi-Fi
Temperature range
0 to 50 °C
Weekly program
Timer
Anti-freeze protection
WLAN capable
App
Voice control
Advantages
  • With anti-freeze protection
  • Control via app
  • Easy to control with through voice control
  • Distinguishes between the working week and the weekend
  • Has a practical timer
  • Wireless reception via Wi-Fi
6
Danfoss Eco 2
Vergleichsergebnis
Rating
Very Good
05 / 2026
Model
Danfoss Eco 2
Bewertung
708 Reviews
Zum Anbieter
Amazon
Available at
amazon
£77.99
eBay
£45.68
Manufacturer
Danfoss
Dimensions
1,2 x 1,2 x 1,6 in
Operating voltage
1,5 V
Display features
LC display
Type of assembly
Screws
Radio technology
Bluetooth, Wireless
Temperature range
4 to + 28 °C
Weekly program
Timer
Anti-freeze protection
WLAN capable
App
Voice control
Advantages
  • Timer included
  • With app
  • With anti-freeze protection
  • Can program settings for different days
  • Wireless reception via Wi-Fi