Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.
1. Stiebel Eltron DHE 18/21/24 kW Fully electronic instantaneous water heater always accurate to the degree thanks to
The Stiebel Eltron DHE 18/21/24 is a fully electronic instantaneous water heater that ensures a constant and precise supply of hot water for multiple draw-off points in the kitchen and bathroom. Thanks to the innovative 4i technology, the set water temperature remains stable even when water is drawn from other points simultaneously. The intuitive operation is carried out via a tactile rotary control, allowing for stepless temperature adjustment in 0.5 °C increments. The illuminated multifunction display provides a clear overview of the current water temperature, energy consumption, and other important information. With a compact design and the option for under-sink installation, this instantaneous water heater is both functional and space-saving. It meets the highest demands for comfort and energy efficiency, making it an ideal solution for modern households.
- 4i technology for constant water temperature - Intuitive operation via tactile rotary control - Illuminated multifunction display for easy readability - Energy efficiency class A for low power consumption - Suitable for multiple draw-off points simultaneously.
Stiebel EltronDHE 18/21/24 kW Fully electronic instantaneous water heater always accurate to the degree thanks to
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2. Stiebel Eltron SNU 5 Plus, very compact, anti-drip, thermostop, under-sink boiler 5 l low pressure with plug, 2 kW
Experience high quality. You receive hot water quickly and without waiting. For stepless temperature adjustment, use the high-quality rotary control with a tactile click. To keep the water at your chosen temperature consistently warm, the small storage tank requires little energy. Another advantage: replacing older models is very simple, as you can reuse the existing wall mounting for this small storage tank.
Application area: Low-pressure boiler for the sink in the bathroom or the kitchen sink.
Comfort features: Stepless temperature adjustment via a high-quality rotary selector with a tactile click. Space-saving due to compact dimensions.
Energy saving: The energy-saving thermostop function prevents unwanted heating of the faucet. Low energy losses thanks to high-quality thermal insulation of the inner container. Water savings: The anti-drip function prevents dripping during heating, thereby reducing limescale deposits.
Safety: Integrated scald protection. 4-stage temperature limitation.
Faucet and installation: Low-pressure faucet required - use of a pressure faucet is not permitted. Only vertical under-sink installation. Plug-and-play: 230 V. Easy wall mounting thanks to a universal mounting rail. Simple replacement of older models.
Scope of delivery: Stiebel Eltron small storage tank SNU 5 Plus, operating and installation instructions, wall mounting.
Compact and high-quality small storage tank for under-sink installation as a BVB fan edition. Hot water available immediately. Very low energy losses thanks to thermostop technology. Easy installation thanks to the protective contact plug. Optimized hot water provision for higher efficiency with ECO mode. Quick and easy replacement of predecessor devices thanks to the universal wall bracket.
Stiebel EltronSNU 5 Plus, very compact, anti-drip, thermostop, under-sink boiler 5 l low pressure with plug, 2 kW
3. Stiebel Eltron DCE 11/13 Electronic compact instantaneous water heater for the kitchen, under-sink, VDE tested
The DCE 11/13 electronic compact instantaneous water heater from Stiebel Eltron is an efficient solution for hot water supply in the kitchen or bathroom. With its compact dimensions, the device is ideal for under-sink installation, preserving valuable storage space in cabinets. The simple operation is managed via a rotary knob, allowing for stepless adjustment of the desired water temperature between 20 and 60 °C. Thanks to the innovative bare wire heating system, the water is heated quickly and efficiently. The instantaneous water heater is equipped with a multi-stage safety concept that includes temperature monitoring and scald protection to ensure user safety. Installation is quick and straightforward with the PROFI-RAPID installation system, making it a practical choice for various applications.
- Compact design for space-saving installation under the kitchen sink or in the bathroom - Adjustable water temperature from 20 to 60 °C for individual comfort - Energy- and water-saving 3i technology with electronic power control - Multi-stage safety concept with temperature monitoring and scald protection - Easy and quick installation through the PROFI-RAPID installation system.
Stiebel EltronDCE 11/13 Electronic compact instantaneous water heater for the kitchen, under-sink, VDE tested
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4. Ariston Lydos Eco
WaterPlus technology: Up to 15% more water is available. ECO EVO function thanks to CoreTECH technology: energy savings of up to 14%. Precise manual temperature setting. The "Shower ready" symbol indicates the first available shower. Total safety system to ensure the proper function of the product.
Enjoy hot water in the fastest possible way. Are you looking for harmony in the bathroom? Then this mini instantaneous water heater is the ideal companion. It never misses its cue: as a suitable solution for a pressurised installation, the appliance automatically raises the temperature by around 25 °C. The decentralised installation at the tap means that the water loses virtually none of its soothing warmth on the short journey to you. Application: Instantaneous water heater without plug (230 V fixed connection) for hand basins in guest WCs. Immediately lukewarm water (approx. 35 °C). Not suitable for kitchens and bathrooms - a Stiebel Eltron small cylinder or instantaneous water heater from 11 kW is required here. Efficient: Includes special jet regulator (included) for a pleasantly soft water jet. Saves water and energy without sacrificing convenience. Fitting: For pressure-resistant (recognisable by the 2 connection hoses) and non-pressurised fittings (recognisable by the 3 connection hoses). Installation: Under-sink wall mounting only. Fixed connection 230 V. Water temperature increase by 25 degrees: The outlet temperature at the tap depends on the cold water supply in the building. Hot water flow rate: max. 2.5 l/min. Scope of delivery: Stiebel Eltron DHM 4 instantaneous water heater, special jet regulator, connection hose 3/8, strainer, operating and installation instructions, T-piece 3/8. Country approval: Germany, Austria. Temperature increase of approx. 25 °C. No standby or distribution losses. Can be used with pressurised and unpressurised fittings. Hot water available immediately.
The Vaillant hot water storage tank VEN 10 U is a non-pressurized hot water system designed for wall mounting. With a volume of 10 liters and a rated power of 2 kW, this tank offers an efficient solution for providing hot water. The hot water storage tank is made of plastic, making it lightweight and corrosion-resistant. It is designed for operation with cold drinking water and can reach temperatures of up to 65 °C. The heating time from 10 °C to 65 °C is only 18 minutes, ensuring quick availability of hot water. The Vaillant hot water storage tank is ideal for applications where a continuous flow of water is required and is particularly suitable for use in households or small commercial establishments.
- Non-pressurized design for safe use - Quick heating time of 18 minutes - Wall mounting for space-saving installation - Maximum operating pressure of 1 bar - Durable plastic material for longevity.
WaterPlus technology: up to 16 % more hot water available. Eco Evo function powered by CoreTECH: energy savings of up to 14 %. Manual temperature setting. Thanks to the "Shower ready" function, the application indicates when the first shower is available and the T-MAX function can be used in case of unexpected hot water demand. Thanks to the large magnesium anode, it is more resistant to corrosion. It has a high-quality, enamelled titanium tank.
8. AEG Haustechnik low-pressure water heater Huz 5 Basis, 5-litre under-sink boiler, with plug
Good value for money.
Application area: Open boiler with 5 liters for a water point in the kitchen and bathroom. Caution: Use only with low-pressure or pressureless fittings, identifiable by the three connection hoses. Do not use a hose shower fitting.
Comfortable operation: Simple temperature selection, continuously adjustable from 35 to 85 °C, with temperature limit selection possible at 45/55/65 °C.
Energy-saving features: High-quality thermal insulation, low standby consumption, energy-saving mode, energy efficiency class A.
Safety and quality: Child safety through adjustable temperature limit and scald protection. Tested safety by VDE testing institute, frost protection, made in Germany.
Installation: Easy installation with plug; socket and cold water connection are sufficient for under-sink mounting.
Country approval: Germany.
Modern, attractive design. Stepless temperature selection. Wall bracket for easy mounting. Resettable safety temperature limiter. Excellent thermal insulation with minimal external dimensions. Connection cable with protective contact plug. Temperature limit selection possible at the rotary knob. Pressureless (open) small storage heater for under-sink installation. The resettable safety temperature limiter is reset by pulling the plug. Installation and use only with a low-pressure fitting.
Pressureless, open small storage heater for under-sink installation. The temperature is continuously adjusted via a rotary knob. Low standby energy consumption. The safety temperature limiter is reset by pulling the plug. The corrosion-resistant inner container made of polypropylene is equipped with a copper heating flange and surrounded by recyclable EPS foam insulation. The electrical connection cable features a protective contact angled plug.
AEG Haustechniklow-pressure water heater Huz 5 Basis, 5-litre under-sink boiler, with plug
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9. Vaillant Ven 5/7 U pl
The new electric small storage tanks eloSTOR Ven and Veh offer energy-saving and safe hot water comfort in an attractive design. The thermal insulation is highly efficient, and a frost protection feature is included. With Plug&Play, you benefit from immediate and continuous hot water from the tap. The compact electric small storage tanks can be flexibly used with model variants for above-counter and under-counter installation. Small storage tanks from the Ven series are combined with a low-pressure fitting, while devices from the Veh series require a pressure fitting. The eloSTOR Ven 5 exclusive also has two new features: ThermoSafe minimizes heat loss, and DropSafe prevents dripping during heating operation.
The HDB-E 18/21/24 Trend from Stiebel Eltron is an electronic instantaneous water heater that provides a reliable hot water supply for multiple taps in the kitchen and bathroom. Thanks to the innovative 2i technology, the appliance ensures an almost constant hot water temperature by precisely adjusting the energy required. This enables efficient use of the hot water, which both increases convenience and helps to save energy costs. The desired temperature can be set to four different levels by a specialist so that individual needs can be taken into account. The appliance is pressure-resistant and can be used with standard pressure fittings, which simplifies installation and use. With an attractive design and compact construction, the HDB-E 18/21/24 Trend is a practical solution for modern households that value efficiency and convenience. 2i technology for virtually constant hot water temperature. Adjustable to the desired temperature of 35, 43, 50 and 55 °C. Suitable for multiple tapping points in the kitchen and bathroom. Pressure-resistant appliance, compatible with standard pressurised taps. Scald protection and child safety lock can be activated by a specialist.
