10 bestResidential Hot Water Heatersof December 2025
112M consumers helped this year.
1
STIEBEL ELTRON instant electric hot water heater
Stiebel Eltron
9.9
2
Tesy Hot Water Cylinder (150 Litre)
TESY
9.8
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
9.6
16% off
4
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
9.4
15% off
5
Ariston ANDRIS LUX ECO 10 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 - 3100718 , White
Ariston
9.1
Other
Speedflow Unvented Undersink Water Heater 10 liter Capacity
Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower
STIEBEL ELTRON Small unvented Electric Water Heater SNU 10 Plus (GB), Water Heater Under Sink 10 l, Anti-drip Function, thermostop Function, Very Compact, 2 kW, White, 204981
Upgrade Tankless Water Heater Electric 9KW 240V, On Demand Instant Endless Hot Water Heater with Self Modulates to Save Energy Use (Pink)
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
8.9
7
GASLAND Propane Instant Gas Water Heater Indoor BG264, 10L/Min LPG Hot Tankless Boiler with LED Display for Home Use, White,30/37mbar
GASLAND
8.6
8
![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]](https://images-proxy.bestreviews.guide/hT6niPhdW9PxFv0ZKGe1L_rUozw=/0x150/https://m.media-amazon.com/images/I/315OTZ+56OL._SL500_.jpg)
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
8.3
9
Vinabuks Electric Water Heater ， 2.5kw 240v Instant Water Heater 2.5kw 240v 3.0 Gallon on Demand Water Heater with Digital Temperature Control,Smart Control Point of Use (Upper- 11L)
VINABUKS
8.0
11% off
10
TESY BiLight 120 Litre Electric Hot Water Cylinder Low Cost Energy Efficient Hot Water
TESY
7.8
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