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10 bestSmart Water Heaterof December 2025

112M consumers helped this year.

35% off

1

Dreo Electric Heater, 1500W Energy Efficient Space Silent Room Heater, Portable Ceramic Fan Heaters, Thermostat 3 Modes 12H Timer, Overheat & Tip Over Protection, for Bedroom, Atom 316, Gold
Dreo Electric Heater, 1500W Energy Efficient Space Silent Room Heater, Portable Ceramic Fan Heaters, Thermostat 3 Modes 12H Timer, Overheat & Tip Over Protection, for Bedroom, Atom 316, Gold

Dreo

Editor’s Choice

9.8

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24% off

2

Breville HotCup Hot Water Dispenser | 2.0L with 3kW Fast Boil & Variable Dispense | Energy-efficient use | Gloss Black [VKJ318]
Breville HotCup Hot Water Dispenser | 2.0L with 3kW Fast Boil & Variable Dispense | Energy-efficient use | Gloss Black [VKJ318]

Breville

9.6

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3

tado° Smart Radiator Thermostat 3-Pack - WiFi Add-On Smart Radiator Valve For Digital Multi Room Control - Easy Installation - Save Heating Costs - Works With Alexa, Apple HomeKit And Google Assistant
tado° Smart Radiator Thermostat 3-Pack - WiFi Add-On Smart Radiator Valve For Digital Multi Room Control - Easy Installation - Save Heating Costs - Works With Alexa, Apple HomeKit And Google Assistant

tado

9.4

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4

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

9.1

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14% off

5

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

8.8

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12% off

6

tado° Wireless Smart Thermostat Starter Kit V3+ Incl. Stand – Full Control Over Your Boiler And Hot Water From Anywhere, Save Energy, Easy DIY Installation - Works With Amazon Alexa, Siri, and Google
tado° Wireless Smart Thermostat Starter Kit V3+ Incl. Stand – Full Control Over Your Boiler And Hot Water From Anywhere, Save Energy, Easy DIY Installation - Works With Amazon Alexa, Siri, and Google

tado

8.6

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7

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

8.3

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8

Klarstein Infrared Heater, 2400W Enclosed Electric Patio Heater, Smart WiFi App, Timer, LED Display, IP44 Terrace Outdoor Heater for Garden and Home, CO2-Free Energy Efficient Garden Heaters Outdoors
Klarstein Infrared Heater, 2400W Enclosed Electric Patio Heater, Smart WiFi App, Timer, LED Display, IP44 Terrace Outdoor Heater for Garden and Home, CO2-Free Energy Efficient Garden Heaters Outdoors

KLARSTEIN

8.0

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16% off

9

Ariston PRO1 ECO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Waterplus Technology, Titanshield Technology, Manufactured To Be Installed In UK - 3820020. , White
Ariston PRO1 ECO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Waterplus Technology, Titanshield Technology, Manufactured To Be Installed In UK - 3820020. , White

Ariston

7.7

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10

Briwellna Streamline Electric Water Heater 5.5KW, Undersink Tankless Water Heater Point-of use with Digital Display, Above/Under Counter On-Demand Hot Water Heater 220V (White)
Briwellna Streamline Electric Water Heater 5.5KW, Undersink Tankless Water Heater Point-of use with Digital Display, Above/Under Counter On-Demand Hot Water Heater 220V (White)

Briwellna

7.4

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