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10 bestBosch Tankless Hot Water Heatersof November 2025

112M consumers helped this year.

14% off

1

Ariston VELIS EVO Wi-Fi 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Twin Tank Technology, Aqua Ariston Net App- 3626308.
Ariston VELIS EVO Wi-Fi 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Twin Tank Technology, Aqua Ariston Net App- 3626308.

Ariston

9.9

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26% off

2

Ariston VELIS EVO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, Twin Tank Technology, Shower Ready, Eco Evo Function, Extreme Durability. Manufactured to be installed in UK – 3626306
Ariston VELIS EVO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, Twin Tank Technology, Shower Ready, Eco Evo Function, Extreme Durability. Manufactured to be installed in UK – 3626306

Ariston

9.8

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3

Stiebel Eltron DCE-X Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238159, 220240 V, White, 10/12 kW
Stiebel Eltron DCE-X Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238159, 220240 V, White, 10/12 kW

Stiebel Eltron

9.8

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4

Ariston ANDRIS LUX ECO 15 L Undersink Electric Water Heater 2.5kW with A Titanium Enamelled Tank, A Class Erp Rating, Copper Heating Element, Manufactured To Be Installed In UK - 3100722, White
Ariston ANDRIS LUX ECO 15 L Undersink Electric Water Heater 2.5kW with A Titanium Enamelled Tank, A Class Erp Rating, Copper Heating Element, Manufactured To Be Installed In UK - 3100722, White

Ariston

9.5

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5

Girard RV Tankless Hot Water Heater
Girard RV Tankless Hot Water Heater

GIRARD

9.2

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Related productsUp to 21% off

Thermomate AZ132 5L Portable Gas Water Heater, Tankless Water Heater with Folding Handle, Instant Gas Boiler Use for Outdoor Showers, Camping, Horses, RV Trip [Energy Class A]

Thermomate AZ132 5L Portable Gas Water Heater, Tankless Water Heater with Folding Handle, Instant Gas Boiler Use for Outdoor Showers, Camping, Horses, RV Trip [Energy Class A]

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Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower

Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower

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Ariston Andris Lux 10L Under-Sink Unvented Electric Water Heater, 2kW 3100306 - Hanicks

Ariston Andris Lux 10L Under-Sink Unvented Electric Water Heater, 2kW 3100306 - Hanicks

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CO-Z Gas Water Heater, 10L LPG Water Heater with Winter & Summer Modes, 17kW Stainless Steel Tankless Water Heater, Instant Water Boiler Hot Water Heater with LED Display,Use for Outdoor Camping,Trip

CO-Z Gas Water Heater, 10L LPG Water Heater with Winter & Summer Modes, 17kW Stainless Steel Tankless Water Heater, Instant Water Boiler Hot Water Heater with LED Display,Use for Outdoor Camping,Trip

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6

Thermomate ELEX5.5 Instant Electric Water Heater with Backlit LED Display, 5.5kW Tankless Hand Wash for Basins Sinks, Over/Under Sink Installation, ‎Hard Wire
Thermomate ELEX5.5 Instant Electric Water Heater with Backlit LED Display, 5.5kW Tankless Hand Wash for Basins Sinks, Over/Under Sink Installation, ‎Hard Wire

thermomate

9.0

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17% off

7

Ariston ANDRIS R 10 L Undersink Electric Water Heater, 2kW Control Unit, B class ErP rating, Economy “E” Setting, Manufactured to be installed in UK - 3100863.
Ariston ANDRIS R 10 L Undersink Electric Water Heater, 2kW Control Unit, B class ErP rating, Economy “E” Setting, Manufactured to be installed in UK - 3100863.

Ariston

8.7

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8

STIEBEL ELTRON Small unvented Electric Water Heater SNO 5 Plus (GB), Water Heater Over Sink 5 l, Very Compact, 2 kW, White, 204979
STIEBEL ELTRON Small unvented Electric Water Heater SNO 5 Plus (GB), Water Heater Over Sink 5 l, Very Compact, 2 kW, White, 204979

Stiebel Eltron

8.4

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9

Bosch Thermotechnik TR3500 T 30 B TR3500T Wall Storage, 230 V, White-Grey
Bosch Thermotechnik TR3500 T 30 B TR3500T Wall Storage, 230 V, White-Grey

Bosch Thermotechnik

8.1

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10

Speedflow Unvented Undersink Water Heater 15 liter Capacity
Speedflow Unvented Undersink Water Heater 15 liter Capacity

Hyco

7.8

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