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10 bestElectric Tankless Water Heatersof July 2026

112M consumers helped this year.

5% off

1

STIEBEL ELTRON DCE-X 10/12 kW Premium Water Heater, Compact Size, tankless, instantaneous, Suitable for Showers, 220/240 V, Precise Temperature Output, oversink Installation, 238159
STIEBEL ELTRON DCE-X 10/12 kW Premium Water Heater, Compact Size, tankless, instantaneous, Suitable for Showers, 220/240 V, Precise Temperature Output, oversink Installation, 238159

Stiebel Eltron

9.9

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2

Stiebel Eltron DCE-X 6/8 Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238158, 220240 V, White
Stiebel Eltron DCE-X 6/8 Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238158, 220240 V, White

Stiebel Eltron

9.8

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3

Stiebel Eltron DCE-S 6/8 Plus Compact Instant Water Heater, Suitable for Showers, Precise Temperature Selection from 20 °C to 60 °C, 238153, 220240 V, White, kW
Stiebel Eltron DCE-S 6/8 Plus Compact Instant Water Heater, Suitable for Showers, Precise Temperature Selection from 20 °C to 60 °C, 238153, 220240 V, White, kW

Stiebel Eltron

9.7

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4

Triton Showers SPT303IR Triton T30IR Handwash, White
Triton Showers SPT303IR Triton T30IR Handwash, White

Triton Showers

9.4

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5

Bosch Thermotechnology Tronic 6100 Electric Tankless Water Heater, 27 kW, White
Bosch Thermotechnology Tronic 6100 Electric Tankless Water Heater, 27 kW, White

Bosch Thermotechnology

9.2

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STIEBEL ELTRON instant electric hot water heater

STIEBEL ELTRON instant electric hot water heater

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Bosch Thermotechnology Tronic 4000 Electric Tankless Water Heater, 10.5 kW, 13 x 8.5 x 4.5, White

Bosch Thermotechnology Tronic 4000 Electric Tankless Water Heater, 10.5 kW, 13 x 8.5 x 4.5, White

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Bosch Thermotechnology Tronic 4000 Electric Tankless Water Heater, 8.5 kW, White

Bosch Thermotechnology Tronic 4000 Electric Tankless Water Heater, 8.5 kW, White

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Redring Powerstream RPS108 Instantaneous Water Heater, 10.8kW, Stainless Steel, 307mm Width

Redring Powerstream RPS108 Instantaneous Water Heater, 10.8kW, Stainless Steel, 307mm Width

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6

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater, White
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater, White

Ecosmart

8.9

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7

Bosch Thermotechnology Tronic 6100 Electric Tankless Water Heater, 18 kW, 13 x 8.5 x 4.5, White
Bosch Thermotechnology Tronic 6100 Electric Tankless Water Heater, 18 kW, 13 x 8.5 x 4.5, White

Bosch Thermotechnology

8.6

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8

Rheem 18kW 240V Tankless Electric Water Heater
Rheem 18kW 240V Tankless Electric Water Heater

Rheem

8.4

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9

Ariston AURES Multi Electric Instantaneous Water Heater 9.5kW, Multi-Point, Compact Size, ELCB System, User-Friendly and A Energy Rated. Manufactured to be Installed in UK – 3195216.
Ariston AURES Multi Electric Instantaneous Water Heater 9.5kW, Multi-Point, Compact Size, ELCB System, User-Friendly and A Energy Rated. Manufactured to be Installed in UK – 3195216.

Ariston

8.1

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22% off

10

Triton Showers SPT303I T30I handwash Water Heater, White
Triton Showers SPT303I T30I handwash Water Heater, White

Triton Showers

7.8

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