10 bestCostco Water Heaterof February 2025
112M consumers helped this year.
1
![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)](https://images-proxy.bestreviews.guide/tTTe_6eTyySd7fCq5RXMj4AW2K4=/0x150/https://m.media-amazon.com/images/I/41iapWOsKdL._SL500_.jpg)
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
![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)](https://images-proxy.bestreviews.guide/tTTe_6eTyySd7fCq5RXMj4AW2K4=/0x150/https://m.media-amazon.com/images/I/41iapWOsKdL._SL500_.jpg)
10.0
2
![Ariston VELIS EVO 45 L Electric Storage Water Heater, Inclusive Of Unvented Kit. Manufactured to be installed in UK.](https://images-proxy.bestreviews.guide/bG2-U-hPAufYW0RWxuMS5RYftMY=/0x150/https://m.media-amazon.com/images/I/21hHci145DS._SL500_.jpg)
Ariston VELIS EVO 45 L Electric Storage Water Heater, Inclusive Of Unvented Kit. Manufactured to be installed in UK.
Ariston
![Ariston VELIS EVO 45 L Electric Storage Water Heater, Inclusive Of Unvented Kit. Manufactured to be installed in UK.](https://images-proxy.bestreviews.guide/bG2-U-hPAufYW0RWxuMS5RYftMY=/0x150/https://m.media-amazon.com/images/I/21hHci145DS._SL500_.jpg)
10.0
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](https://images-proxy.bestreviews.guide/miz3Acy3ZvGBp1DFHsC4tKphaAw=/0x150/https://m.media-amazon.com/images/I/31rr+afvIML._SL500_.jpg)
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
![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](https://images-proxy.bestreviews.guide/miz3Acy3ZvGBp1DFHsC4tKphaAw=/0x150/https://m.media-amazon.com/images/I/31rr+afvIML._SL500_.jpg)
10.0
4
![Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower](https://images-proxy.bestreviews.guide/SYk75spYvHhnbWtr8yb8zVB5xS0=/0x150/https://m.media-amazon.com/images/I/31uFBStfGsL._SL500_.jpg)
Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower
jackfru
![Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower](https://images-proxy.bestreviews.guide/SYk75spYvHhnbWtr8yb8zVB5xS0=/0x150/https://m.media-amazon.com/images/I/31uFBStfGsL._SL500_.jpg)
9.8
5
![CAMPLUX 5L Gas Water Heater with 4.3L Water Pump, Freestanding Tankless Water Heater, AY132Max Instant LPG Water Boiler with Carrying Bag, for Camping/Outdoor Showers](https://images-proxy.bestreviews.guide/UbAm2jNsoVWyiHhzleB0P2VG2_U=/0x150/https://m.media-amazon.com/images/I/41t3W2wK9QL._SL500_.jpg)
CAMPLUX 5L Gas Water Heater with 4.3L Water Pump, Freestanding Tankless Water Heater, AY132Max Instant LPG Water Boiler with Carrying Bag, for Camping/Outdoor Showers
CAMPLUX
![CAMPLUX 5L Gas Water Heater with 4.3L Water Pump, Freestanding Tankless Water Heater, AY132Max Instant LPG Water Boiler with Carrying Bag, for Camping/Outdoor Showers](https://images-proxy.bestreviews.guide/UbAm2jNsoVWyiHhzleB0P2VG2_U=/0x150/https://m.media-amazon.com/images/I/41t3W2wK9QL._SL500_.jpg)
9.6
OtherUp to 33% off
11% off
6
![TESY BiLight 120 Litre Electric Hot Water Cylinder Low Cost Energy Efficient Hot Water](https://images-proxy.bestreviews.guide/WSHbu_aU_cWBgMGhJcNhLMijtkU=/0x150/https://m.media-amazon.com/images/I/21KNwUMKGDL._SL500_.jpg)
TESY BiLight 120 Litre Electric Hot Water Cylinder Low Cost Energy Efficient Hot Water
TESY
![TESY BiLight 120 Litre Electric Hot Water Cylinder Low Cost Energy Efficient Hot Water](https://images-proxy.bestreviews.guide/WSHbu_aU_cWBgMGhJcNhLMijtkU=/0x150/https://m.media-amazon.com/images/I/21KNwUMKGDL._SL500_.jpg)
9.4
7
![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](https://images-proxy.bestreviews.guide/1ecBEvh-T8Yz4kYL9dEyrDAc2cY=/0x150/https://m.media-amazon.com/images/I/31crvO8WGRL._SL500_.jpg)
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
![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](https://images-proxy.bestreviews.guide/1ecBEvh-T8Yz4kYL9dEyrDAc2cY=/0x150/https://m.media-amazon.com/images/I/31crvO8WGRL._SL500_.jpg)
9.1
8
![Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021.](https://images-proxy.bestreviews.guide/6VI6in3rL5s9YjgITbyD5wOVJw8=/0x150/https://m.media-amazon.com/images/I/21erF6rCHkS._SL500_.jpg)
Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021.
Ariston
![Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021.](https://images-proxy.bestreviews.guide/6VI6in3rL5s9YjgITbyD5wOVJw8=/0x150/https://m.media-amazon.com/images/I/21erF6rCHkS._SL500_.jpg)
8.9
15% off
9
![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](https://images-proxy.bestreviews.guide/NXBlC6_gcVupq2wJaZ4VJDQZHmg=/0x150/https://m.media-amazon.com/images/I/312Ft06DHDL._SL500_.jpg)
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
![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](https://images-proxy.bestreviews.guide/NXBlC6_gcVupq2wJaZ4VJDQZHmg=/0x150/https://m.media-amazon.com/images/I/312Ft06DHDL._SL500_.jpg)
8.7
10
![STIEBEL ELTRON Small unvented Electric Water Heater SNO 5 Plus (GB), Water Heater Over Sink 5 l, Very Compact, 2 kW, White, 204979](https://images-proxy.bestreviews.guide/EJucywG9PGLQ8a9qtBb8H76WKOs=/0x150/https://m.media-amazon.com/images/I/21mnrEP5b8L._SL500_.jpg)
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
![STIEBEL ELTRON Small unvented Electric Water Heater SNO 5 Plus (GB), Water Heater Over Sink 5 l, Very Compact, 2 kW, White, 204979](https://images-proxy.bestreviews.guide/EJucywG9PGLQ8a9qtBb8H76WKOs=/0x150/https://m.media-amazon.com/images/I/21mnrEP5b8L._SL500_.jpg)
8.5
![subscribe-icon](https://res.cloudinary.com/roundforest/image/upload/v1720348754/brg_static/subscribe-icon-brg-old-ui.png)
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy