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Best Instant Water Heaters

Tankless Water Heater Comparison 2026

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Best Product
AEG DDLE Basis 18/21/24
AEG DDLE Basis 18/21/24
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Amazon
Bestseller
ecosmart ECO 11
ecosmart ECO 11
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Amazon
AEG DDLE FB 11/13
AEG DDLE FB 11/13
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Amazon
TTulpe Indoor B-6
TTulpe Indoor B-6
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Amazon
Eemax SPEX3512
Eemax SPEX3512
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Amazon
Best Price
thermomate ELEX5.5
thermomate ELEX5.5
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Amazon
Our Ratings
Model
Customer Ratings
Seller
Available From
Manufacturer
Material
Dimensions
Colour
Weight
Remote control
Drive type
Temperature range
Energy efficiency class
Power
Voltage
Gas pressure
Display
Advantages
1
Best Product
AEG DDLE Basis 18/21/24
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
AEG DDLE Basis 18/21/24
Bewertung
471 Reviews
Zum Anbieter
Amazon
Available at
amazon
£242.96
eBay
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Manufacturer
AEG
Material
Plastic
Dimensions
3,7 x 8,9 x 19,1 in
Colour
White
Weight
7,9 lb
Remote control
Drive type
Electric, Gas, Manually, Alternating current
Temperature range
30 to 60 °C
Energy efficiency class
A
Power
24 kW
Voltage
400 V
Gas pressure
10000 mbar
Display
Advantages
  • Solar-compatible model
  • Has a practical direct tap
  • With integrated display
2
Bestseller
ecosmart ECO 11
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
ecosmart ECO 11
Bewertung
77 Reviews
Zum Anbieter
Amazon
Available at
amazon
£328.59
eBay
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Manufacturer
ecosmart
Material
Dimensions
3,7 x 8 x 11,5 in
Colour
White
Weight
6,4 lb
Remote control
Drive type
Electricity
Temperature range
26 to 60 °C
Energy efficiency class
Power
13 kW
Voltage
240 V
Gas pressure
Display
Advantages
  • Has a display
3
AEG DDLE FB 11/13
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
AEG DDLE FB 11/13
Bewertung
65 Reviews
Zum Anbieter
Amazon
Available at
amazon
£275.29
eBay
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Manufacturer
AEG
Material
Metal, Plastic
Dimensions
3,4 x 6,9 x 11,5 in
Colour
White
Weight
5,5 lb
Remote control
Drive type
Electric, Manually, Alternating current
Temperature range
20 to 60 °C
Energy efficiency class
A
Power
13,5 kW
Voltage
400 V
Gas pressure
10000 mbar
Display
Advantages
  • Display available
  • Has a practical direct tap
  • Can also be operated with a remote control
  • Is solar-compatible
  • Integrated scald protection
4
TTulpe Indoor B-6
Vergleichsergebnis
Rating
Very Good
05 / 2026
Model
TTulpe Indoor B-6
Bewertung
106 Reviews
Zum Anbieter
Amazon
Available at
amazon
£260.00
eBay
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Manomano.co.uk
£299.00
Manufacturer
TTulpe
Material
Plastic
Dimensions
96,9 x 100,8 x 100,8 in
Colour
White
Weight
22 lb
Remote control
Drive type
Gas
Temperature range
Energy efficiency class
A+
Power
11,6 kW
Voltage
1,5 V
Gas pressure
0 mbar
Display
Advantages
5
Eemax SPEX3512
Vergleichsergebnis
Rating
Very Good
05 / 2026
Model
Eemax SPEX3512
Bewertung
76 Reviews
Zum Anbieter
Amazon
Available at
amazon
£200.75
eBay
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Manufacturer
Eemax
Material
Dimensions
29,9 x 50 x 97,6 in
Colour
White
Weight
3,1 lb
Remote control
Drive type
Electric
Temperature range
Energy efficiency class
Power
3,5 kW
Voltage
120 V
Gas pressure
Display
Advantages
6
Best Price
thermomate ELEX5.5
Vergleichsergebnis
Rating
Very Good
05 / 2026
Model
thermomate ELEX5.5
Bewertung
94 Reviews
Zum Anbieter
Amazon
Available at
amazon
£119.99
eBay
Check Price
Manufacturer
thermomate
Material
Plastic
Dimensions
3,7 x 6,5 x 7,5 in
Colour
White
Weight
3,7 lb
Remote control
Drive type
Electric
Temperature range
35 to 55 °C
Energy efficiency class
A
Power
5,5 kW
Voltage
230 V
Gas pressure
Display
Advantages
  • With scald protection
  • Display available