Best Ariston Boiler 2026

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Last Updated - 27.03.2026

Best Choice

01

Ariston

Ariston 80 Lydos Hybrid Wi-Fi Class A Electric Water Heater 220V White 80 Litre Vertical

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9.9

Exceptional

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Main highlights

The first electric instantaneous water heater in the class that combines electrical energy and heat pump. Ideal for replacement without wall work
The Ariston Lydos Hybrid display will notify you as soon as the tank reaches its maximum capacity
Condensation tub with a capacity of 6.5 litres (code 3629055) combined with Ariston Lydos Hybrid instantaneous water heater
Choose Ariston for maximum comfort and excellent performance, year after year
A sustainable choice, even in the electricity bill. Save electricity bills of 380 euros per year. The savings are calculated compared to an electric instantaneous water heater 80 litres in class D with removal profile m (according to European Regulation No. 812/2013) and electricity costs of 0.413 EUR/KWh (economic delivery conditions in the best protection for a family with 3 kW output and 2,700 kWh annual consumption, from April 2022)

860,00 €
02

Ariston

Ariston VELIS EVO Electric Water Heater 80L Double Tank Shower Durable Water Boiler and Hot Water Dispenser Ideal Electric Heater

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9.8

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

Water heaters designed and manufactured to be installed in the UK
Ultra slim twin tank design: Aristons Velis Evo Wi-Fi electric hot water tanks are designed with a functional and innovative design that allows the installation of the product even in confined spaces
Supplied with unventend installation kit
Shower ready in 50 minutes: The front interface displays shower-ready warnings that indicate when enough water has been heated to have the first shower. Its dual tank technology heats water faster than a conventional cylinder water heater, resulting in enough hot water to shower in just 50 minutes
Eco Evo function: the innovative ECO EVO function stores user habits to deliver hot water while saving up to 14 percent on electricity bills. The product operates in accordance with the highest standards for energy efficiency within the category of electrical water heating
Compact design: with a depth of only 27 cm, the Velis Evo is perfect for installations where space is scarce
ABS safety and anti-legionella system for absolute peace of mind: A range of functions, including anti-overheating, anti-freezing and dry heating, self-diagnosis, protect the device in case of energy or water failures. The dry heating technology inside the Velis Evo provides additional safety against short circuits due to the coated heating elements and thus avoids direct contact with water. In addition, this efficient water heater automatically increases the water temperature up to 65 C once a month to eliminate the risk of developing Legionella bacteria

615,52 €
Value for Money

03

Ariston

Ariston Velis Pro Wifi Electric Water Heater, Low Power Consumption, Multiple Positions, 50 Litres, Flat, WiFi and ECO EVO Function, 79.7 x 27.5 x 51.1 cm, Installation in Spain

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9.6

Exceptional

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WIFI CONNECTION FOR REMOTE - Thanks to the built-in Wi-Fi technology, it is possible to easily control the heater from your mobile device and from anywhere by using the Aqua Ariston Net app, which also provides detailed information about your consumption
More safety, double resistance and durable quality: it has double shielded anti-limescale resistance. On the other hand, the heater automatically performs self-diagnosis, scald protection, frost protection, dry operation and anti-legionella with the ABS pack function to provide even more safety
MULTIPLE FUNCTIONS WITH INTUITIVE INTUITIVE INTERFACE AND FUNCTIONAL DESIGN The large, simple and intuitive display is located at the front of the heater to provide more effective electronic temperature control and program multiple functions. With the LED indicator on the display, it is possible, for example, to check the availability of water for the shower, thanks to the Shower Ready function, which communicates to the mobile phone by notification
MORE WATER AND ENERGY SAVING WITH VELIS WI-FI: Intelligent saving technology with double tank that heats the water in 46 minutes, half the time compared to a conventional heater that works independently and operates with a maximum power of 1.5 kW. The design allows you to install the product in vertical or horizontal position measuring 31.4 x 10.8 x 20.2 inches. It has a 3 year full warranty and 5 years in stock. Has a capacity of 50 litres of water, ideal for 2 people
Intelligent ECO-EVO technology that knows your habits: with the ECO-EVO function, the heater learns and stores your consumption habits and regulates its operation to help you optimize your consumption, saving you up to 14% energy annually

318,66 €
04

Ariston

Ariston Thermo 3100339 Andris RS 30/3 ERP - electric hot water tank, color: white

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9.5

Excellent

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Water storage can be used as pressure-proof (closed) or pressure-free (open)
Sanitary equipment
Energy class - C
Electrical and thermal

149,11 €
05

Ariston

Electric Water Heaters Oversink 15 liters Ariston ANDRIS RS EU

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9.4

Excellent

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Oversink 15 liters

150,00 €
06

Birsppy

Ariston ARKS 5U 5L 2000W 230V Undersink Water Heater White

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9.1

Excellent

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open DHW cylinder
Temperature setting between 40 and 80 °C
Power: 2000 watts, voltage: 230 V.
Frost protection function
Capacity: 5 litres

119,00 €
07

Ariston

Ariston Blu1 R Electric Water Heater 80 Litres 1.5 K EU

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9.0

Excellent

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Main highlights

Waterplus technology: up to 16% more water available
Temperature setting with external rotary knob (only for vertical)
Magnesium anode
Made in Italy
Easily removable inspection flange

201,27 €
08

Ariston

Ariston Velis Dune Electric Flat Water Heater 45 L Water Heater, 15% Energy Saving, Installation France, Multiposition, Eco Evo Function, Enamelled Titanium Tank

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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

Reliability and guarantee: in line with NF and CE standards; 2 year warranty on parts, labor and travel and 5 years for the tank; pure Italian design for harmonious integration
Italian design electric water heater; compact with only 27 cm depth; ideal for replacing 50 to 75 litre cylindrical water heater; vertical or horizontal installation; streamlined and elegant style for any interior
Energy saving Eco Evo: intelligent function that adapts the heater to the drinking habits; energy saving of up to 15%, energy class B, ideal for home with 1 to 2 people
Durability and protection: equipped with magnesium anodes to protect the tank, enamelled armour resistance suitable for calcium water; AG+ antibacterial system for optimal health comfort
Comfort and speed: heats up twice as fast as a traditional water heater; 45L capacity delivers up to 110 litres of warm water at 40°C; warm-up time of 45 minutes for the first shower

391,71 €
09

Ariston

Ariston Blu Evo RS Electric Thermos Flask, 10 Litres, Low Power Consumption, Powerful, Vertical, with Small Size, 27.6 x 36 x 36 cm, Made for Installation in Spain

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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

Temperature control: you can manually regulate the temperature of the electric thermos via the front remote control
Short heating time: the small size contrasts with its performance, which can heat the water quickly for quick availability of hot water
Magnetic anode: the anode that serves to attract the limescale of the water and prevent the corrosion of the tank is magnesium for longer durability
INSTALLATION Very easy to install; It is a model for installation above the sink, the hydraulic connectors are located at the bottom of the electric water heater. We include a wall mount for easy installation
Energy efficiency class: A
Enamelled kettle: the container has an enameled coating, which gives the thermos a better corrosion protection and extends the service life
Electric thermos flask, designed and manufactured for installation in Spain

153,57 €
10

Ariston

Ariston, Pro1 Eco Slim Electric Water Heater Vertical 65 Litres + ECO and Shielded Resistor, 37.3 x 35.3 x 98.1 cm, Made for Installation in Spain (Energy Class A)

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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

With intelligent T-MAX technology: the thermos flask provides hot water in a short time to meet urgent needs, thanks to the high adaptability of this thermos that operates at maximum temperature in times of increased demand for hot water
SUITABLE FOR ANY ROOM: Pro 1 ECO fits in any room with a super small diameter of only 13.8 inches. The titanium inner coating prevents corrosion and limescale deposits and also comes with a 3 year full warranty and 5 year warranty on the boiler. Ensures ECO electrical resistance with low power consumption and high energy efficiency, ideal for 2 people
More energy saving with waterplus function: you have 16% more hot water than other thermos flasks on the market without this technology and without more energy consumption! Thanks to the Water Plus function, it takes longer for cold water to mix with hot water and ensures hot water for a longer time
Intelligent Eco-Evo technology knows your habits: with the ECO-EVO function, the heater learns and stores your consumption habits and regulates their operation to optimise your consumption and save up to 14% energy
Full safety and intuitive surface: with the ABS pack, the heater automatically carries out self-diagnosis, burn protection, frost protection, dry operation and anti-legionella to provide even more safety. Perform a full heating cycle monthly to a temperature of 65°C to disinfect and remove the bacteria in the accumulated water. Features a digital LCD display that allows you to regulate the desired temperature and have a shower indicator available

257,18 €