Best Vaillant Boiler 2026

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Last Updated - 27.03.2026

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01

Vaillant

VAILLANT eloSTOR VEH 100/7 Pro Two-Circle Electric Wall Storage Pressure Resistant Electric Hot Water Tank with 100 L Capacity and Quick Heating Button 0010016659

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9.7

Exceptional

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Main highlights

Reliable hot water comfort - The two-circuit electric wall heater is suitable for hot water supply of floors and holiday apartments. It can be reheated by means of a quick heat button.
High operating comfort - With 100 L capacity and energy saving setting at 60 °C, the electric hot water tank offers economy, combined with hot water comfort from 40 to 85 °C.
HIGH EFFICIENT HEAT INSULATION - Enamelled storage container with highly efficient thermal insulation made of PU foam, keeps the water hot for a long time.
Box contents: VAILLANT ELOSTOR VEH 100/7 per electric wall storage, dimensions: 108.2 cm x 50.4 cm x 45 cm, item number: 0010016659
ATTRACTIVE DESIGN - With its appealing design, the storage blends into any environment and is ideal for modernising homes or public buildings.

777,93 €
02

Vaillant

Vaillant Electronic instantaneous water heater, VED exclusive 27/8, pressure-resistant, 27 kW, 400 V, degree accurate outlet temperature, infinitely adjustable, graphic display, 0010023749, [energy class A]

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Tested safety – Vaillant electronicVED exclusive with adjustable scald protection + child lock
Technical details - Connection: 400 V / 50 Hz fixed connection; protection class: IP25 jet water protected, mounting location: overtable; dimensions: 9.9 cm x 48.1 cm x 24 cm, weight: 4.4 kg
Proven efficiency - ideal for replacing hydraulic instantaneous water heaters - up to 30% electricity and water costs can be saved in comparison
Previous model: Vaillant electronicVED E 27/7 E exclusive, item number 0010007719.
Hot water comfort: outlet temperatures from 20 °C to 55 °C, precise and easy to adjust thanks to the integrated digital temperature display
Application - Ideal for reliable hot water heating for one to several taps (tap capacity of 16 l/min) - a simultaneous hot water supply in the bathroom (shower, sink or bathtub) is possible - only suitable for connection points with a power of 27 kW (power line: 5-core with 10 mm² cable cross-section)

611,78 €
03

Vaillant

Vaillant 10021140 Electric Hot Water Tank VEN 5/7-5 U plus

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Scald protection can be activated.
No need to change the wall mounting rail.
Low pressure under-table wall storage.
Frost protection.
Adjustable thermostat from 7°C to 85°C.

95,00 €
Value for Money

04

Vaillant

Vaillant eloSTOR VEN 5/7-7 U Exclusive 0010021138 Hot Water Tank, Under-Sink Device, 230 V, Capacity: 5 Litres, Low Pressure Accumulator, Small Electric Tank,

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Highly efficient - The hot water tank has efficient thermal insulation and frost protection for unheated rooms
High ease of use – with 5 litre capacity and infinitely adjustable temperature controller, the under-sink storage ensures instant hot water supply without waiting time
Energy saving (ECO) – the small storage unit offers economy and comfort thanks to the continuous temperature setting, low standby energy consumption and the eco position
Comfortable hot water supply – the DropSafe protection function prevents dripping of hot water and the ThermoSafe function minimises heat loss via the storage tap
Box contents: Vaillant eloSTOR VEN 5/7-7 U exclusive under-sink hot water tank, dimensions (H x W x D): 40 cm x 24 cm x 23.2 cm, item number: 0010021138

133,13 €
05

Vaillant

Vaillant Electronic instantaneous water heater, VED E 24/8, pressure-resistant, 24 kW, 400 V, degree accurate outlet temperature, infinitely adjustable, digital display, 0010023779

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Tested safety – Vaillant electronicVED E 24/8 with adjustable scalding protection
Technical details: Connection: 400 Volt / 50 Hz fixed connection; Protection type: IP25 jet water protected; Mounting location: Overtable; Dimensions: 9.9 x 48.1 x 24 cm; weight: 4.4 kg
Proven efficiency: Ideal for replacing hydraulic instantaneous water heaters – up to 30% electricity and water costs can be saved in comparison
Previous model: Vaillant electronicVED E 24/7, item number 0010007729.
Hot water comfort: Outlet temperatures from 30 °C to 55 °C, precise and easy to adjust thanks to the integrated digital temperature display
Application: ideal for reliable water heating for one to several taps (tap capacity of 8 l/min) – a simultaneous hot water supply in the bathroom (shower, sink or bath) is possible – only suitable for connection points with a power of 24 kW (power line: 5-core with 10 mm² cable cross-section)

268,80 €
06

Vaillant

Vaillant Electronic instantaneous water heater, VED E 21/8, pressure-resistant, 21 kW, 400 V, degree accurate outlet temperature, infinitely adjustable, digital display, 0010023778, energy class A

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Warm water comfort: outlet temperatures from 30°C to 55°C, precise and easy to adjust thanks to the integrated digital temperature display
Use: ideal for reliable water heating for one to several taps (tap capacity of 8 l/min) – a simultaneous hot water supply in the bathroom (shower, sink or bathtub) is possible – only suitable for connection points with a power of 21 kW (power line: 5-core with 6 mm² cable cross-section)
Tested safety: Vaillant electronicVED E 21/8 with adjustable scalding protection
Technical details – Connection: 400 Volt / 50 Hz fixed connection; Protection type: IP25 jet water protected; Mounting location: Overtable; Dimensions: 9.9 x 48.1 x 24 cm; weight: 4.4 kg
Proven efficiency: Ideal for replacing hydraulic instantaneous water heaters – up to 30% electricity and water costs can be saved in comparison
Previous model: Vaillant electronicVED E 21/7, item number 0010007728

315,00 €
07

Vaillant

Vaillant eloSTOR VEN 5/7-5 O Plus 0010021139 Hot Water Tank, Over-Desk Device, 230 V, Capacity: 5 Litres, Low Pressure Storage, Electric Small Storage

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25% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Highly efficient - The hot water tank has efficient thermal insulation and frost protection for unheated rooms
High ease of use - With 5 litre capacity and infinitely adjustable temperature controller, the overtable storage ensures instant hot water supply without waiting time
Energy saving (ECO) - The small storage unit offers economy and comfort thanks to the continuous temperature setting, low standby energy consumption and the eco position
Box contents: Vaillant hot water tank overtable eloSTOR VEN 5/7-5 O plus, dimensions: 40 cm x 24 cm x 23.2 cm, item number: 0010021139
ATTRACTIVE DESIGN - With its modern design, the oversink unit blends attractively into the kitchen or vanity and is ideal for rinsing and washing hands

116,00 € 154,70 €(25% Off off)
08

Vaillant

Vaillant MiniVED H 0010044420 Hydraulic Instantaneous Water Heater VED H 3/3, 3.5 kW, 230 V, Pressure-Resistant, Small Instantaneous Water Heater (Under Sink Device)

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Quick and economical - The small instantaneous water heater delivers warm water to individual sinks after just a few seconds - ideal for washing hands in the guest bathroom
Performance-dependent volume flow from 2 to 3.2 litres per minute
Functional heating system - The high-quality bare wire heating system of the miniVED has a differential pressure switch and a safety pressure switch
Compact dimensions - Thanks to the space-saving dimensions, the mini instantaneous water heater offers hot water comfort even for the smallest sink
Box contents: Vaillant instantaneous water heater miniVED H 3/3 model year 2022, pressure-resistant, hydraulically controlled small instantaneous water heater, dimensions: 14.3 cm x 19.1 cm x 7.9 cm (H x W x D) - the device has a Schuko plug
65% energy savings - With the economy aerator and the flow rate limitation, the miniVED consumes up to 65% less energy than a small reservoir

149,99 €
09

AEG

AEG Electric Water Heaters with Small Storage Tank, white, 222162

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safe: tested safety by VDE testing institute, frost protection position
Please note: use only with low pressure/pressureless fittings, recognizable on the 3 connection hoses, do not use a hose shower fitting
Made in Germany
High hot water comfort for a water point: immediately hot water in the kitchen and bathroom
Economical and efficient: high-quality thermal insulation, low standby consumption, energy saving setting, energy efficiency class A
Easy temperature selection: stepless from 35-85°C, temperature selection limitation possible to 45/55/65°C
Easy installation: ready to plug, under-sink mounting

74,99 €
10

Vaillant

Vaillant Electronic Instantaneous Water Heater, VED E 18/8, Pressure-Resistant, 18 kW, 400 V, Degree Accurate Outlet Temperature, Infinitely Adjustable, Digital Display, 0010023777

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Original VAILLANT VED E 18/8

292,60 €