Updated:19 October 2026
Rank 1-14 of the best 80 litre Hot Water Tanks
Our recommendation Price Customer rating
1. Comparison winner
Ariston Pro1 Eco S 80L 3kW Water Heater
Ariston Pro1 Eco S 80L 3kW Water Heater
Available immediately
free shipping
  • The enamelled tank and magnesium anode help protect its inner surface from corrosion
  • The heating programme adapts to usage habits to reduce energy consumption
  • At 35.3 cm wide, the water heater is designed to fit into compact spaces
Our rating
9,8
very good
No reviews yet
2. Best value
QH Dual V2 Electric Water Heater, 80 Litres
QH Dual V2 Electric Water Heater, 80 Litres
Available immediately
free shipping
  • Energy class B with 40 mm of insulating foam to help reduce heat loss
  • CE-certified for conformity with applicable requirements
Our rating
9,8
very good
WDDEYYDS 80L Electric Kettle & Hot Water Dispenser
WDDEYYDS 80L Electric Kettle & Hot Water Dispenser
Available immediately
free shipping
  • high corrosion resistance with 304 stainless steel construction preventing rust and ensuring healthy drinking water
  • energy efficient 2500W rapid heating for hot water on demand
  • compact design with dimensions of 350x280x620mm suitable for countertops or stands
Our rating
9,8
very good
No reviews yet
80L Electric Water Heater, 2kW, Vertical Wall-Mounted
80L Electric Water Heater, 2kW, Vertical Wall-Mounted
Available immediately
free shipping
  • A 2 kW heater warms the water while using less energy, according to the product description
  • The vertical wall-mounted design keeps floor space clear in compact rooms
  • Leakage protection cuts off the power if an electrical fault is detected
Our rating
9,8
very good
No reviews yet
5. Bestseller
Ariston Velis Pro 80L Water Heater, 3 kW, Ultra-Slim 27 cm, Twin Tank, Eco Evo, Titanium Enamel, Anti-Legionella
Ariston Velis Pro 80L Water Heater, 3 kW, Ultra-Slim 27 cm, Twin Tank, Eco Evo, Titanium Enamel, Anti-Legionella
Available immediately
free shipping
  • corrosion resistant titanium enamel coating protects the inner tank from corrosion and limescale build up
  • energy efficiency features include intelligent heating that learns your usage patterns over 15 days to optimise energy use and an eco evo function that reduces electricity consumption
  • ultra slim design with a depth of 27 cm suitable for compact spaces such as caravans and motorhomes
Our rating
9,8
very good
TESY BiLight 80 Litre Electric Hot Water Cylinder - Wi-Fi Control, Smart 24/7 Timer, Temperature Control
TESY BiLight 80 Litre Electric Hot Water Cylinder - Wi-Fi Control, Smart 24/7 Timer, Temperature Control
Available immediately
free shipping
  • Energy efficient with advanced insulation and smart heating that optimise energy use, energy class B and annual electricity consumption 1303 kWh
  • Compact vertical wall-mounted design saves space with height 0.855 m, width 0.440 m and depth 0.455 m
  • Smart control with built-in Wi‑Fi for remote temperature control and 24/7 timed programmes via the MyTESY app
Our rating
9,6
very good
TESY BiLight 80L Electric Hot Water Cylinder
TESY BiLight 80L Electric Hot Water Cylinder
Available immediately
free shipping
  • resistant to corrosion for enhanced durability
  • designed for energy efficiency with 15% more hot water output
  • compact wall hung design saves space
Our rating
9,6
very good
No reviews yet
ELDOM Favourite Hot Water Tank 80L
ELDOM Favourite Hot Water Tank 80L
Available immediately
free shipping
  • features corrosion resistance for a durable lifespan
  • energy efficient with an annual consumption of 1407 kWh
  • compact design with dimensions of 835 x 462 x 484 mm for easy installation in small spaces
Our rating
9,5
very good
Thermex IF 80 Smart Hot Water Tank, 80 L
Thermex IF 80 Smart Hot Water Tank, 80 L
Available immediately
free shipping
  • Enamel-coated steel tank helps protect the interior from corrosion
  • Energy efficiency class C, with insulation and water-use monitoring to heat water when needed
  • Flat double-tank design allows vertical or horizontal installation
Our rating
9,1
good
No reviews yet
ELDOM Spectra 80 Litre Hot Water Tank 2 kW Manual Control Black
ELDOM Spectra 80 Litre Hot Water Tank 2 kW Manual Control Black
Available immediately
free shipping
  • Corrosion resistance: enamelled tank with zirconia coating and magnesium anode protection against limescale and corrosion in hard water
  • Energy efficiency: thick insulation reduces heat loss in standby mode, helping lower energy use and costs
  • Compact design: vertical wall mounting for space saving installation
Our rating
9,1
good
No reviews yet
Thermex IF 80 Smart Flat Water Heater, 80 Litre
Thermex IF 80 Smart Flat Water Heater, 80 Litre
Available immediately
free shipping
  • Enamel-coated steel tanks help protect against corrosion
  • Insulation helps reduce heat loss, and the water heater has an energy rating of B
  • The flat double-tank design allows vertical or horizontal installation and fits into compact spaces
Our rating
9,0
good
TTulpe Revolve 80 Wall-Mounted Boiler, 80-litre Tank, Glass-Coated, Horizontal or Vertical Mount
TTulpe Revolve 80 Wall-Mounted Boiler, 80-litre Tank, Glass-Coated, Horizontal or Vertical Mount
Available immediately
free shipping
  • corrosion resistance: the enamelled steel tank is protected by an organic glass inner coating to prevent corrosion and rust, extending the life of the tank
  • energy efficiency: annual energy consumption of 1302 kWh with energy efficiency label B
  • compact design: designed for wall mounting in either horizontal or vertical orientation to save space
Our rating
8,8
good
Vertical Wall-Mounted Electric Water Heater, 80L, 2000W
Vertical Wall-Mounted Electric Water Heater, 80L, 2000W
Available immediately
free shipping
  • Enamel-coated inner tank resists corrosion and wear
  • Vertical wall-mounted design measures 34 × 71 cm, helping to save floor space
  • IPX4 splash protection and an electrical leakage device that automatically cuts off power if a fault is detected
Our rating
8,8
good
No reviews yet
Thermex Vertical Digital WiFi Water Heater, 80 L
Thermex Vertical Digital WiFi Water Heater, 80 L
Available immediately
free shipping
  • Enamelled steel tank and electronic anode help protect against corrosion, with no replacement anode required
  • Energy efficiency class B and an app-based programme help reduce energy use
  • Vertical 80-litre water heater measures 460 × 460 × 848 mm
Our rating
8,8
good
No reviews yet

Similar 80 litre Hot Water Tank comparisons

80 litre Hot Water Tanks buying guide: How to choose the right product from the above 80 litre Hot Water Tanks test or comparison

Understanding the 80 Litre Hot Water Tank: Size and Capacity Explained

What is an 80 Litre Hot Water Tank?

An 80 litre hot water tank is designed to store hot water for various domestic needs, providing ample supply for heating, bathing, and cooking. To help picture it better, imagine a standard bathtub, which typically holds about 150 litres. An 80 litre tank can fill about half of that, making it a good fit for smaller households that do not require continuous hot water. Essentially, this size is ideal for homes with two to three occupants.

How Does Size Impact Usage?

If we think about your daily routines—showering in the morning, washing dishes after dinner, and occasionally running laundry—all of these activities contribute to your hot water consumption. An 80 litre tank can handle staggered usage quite well. For instance, if you have two family members that shower back-to-back, you’ll likely find that the tank can keep up without a long wait time for more hot water.

Key Features to Consider When Choosing Your Hot Water Tank

Tank Type: Vented vs. Unvented

When selecting a hot water tank, we should first consider the type—vented or unvented. A vented tank requires a cold water feed from a tank higher than it, which helps to create pressure. On the other hand, an unvented tank uses water from the mains supply and is capable of providing constant, high-pressure hot water, making it a more efficient choice for a busy household.

Material and Durability

When focusing on durability, the material of the tank matters. Tanks are usually made from stainless steel or glass-lined steel. Stainless steel is highly resistant to corrosion, while glass-lined options may be less expensive but can require more maintenance. When choosing your tank, consider how long you want it to last based on the material used.

Insulation and Efficiency

We should not overlook the insulation capabilities of the tank. Tanks with thicker insulation will retain heat more effectively, reducing energy costs over time. Look for models with foam insulation to keep the water hot and minimize heating cycles, which leads to savings on your energy bills.

Energy Efficiency: How to Save on Your Heating Bills with an 80 Litre Tank

Understanding Energy Ratings

When evaluating energy efficiency, pay attention to the tank’s energy rating. A higher rating signifies lower running costs. An energy-efficient model will not only reduce your carbon footprint but will also save you money in the long run. Opting for an 80 litre tank that is well-rated for efficiency can make a noticeable difference in your monthly energy expenses.

Using Timers and Controllers

One way to further enhance energy efficiency is by incorporating timers or smart controllers. By programming your hot water tank to only heat water during peak usage times—like early mornings or evenings—you can avoid heating water when it’s not needed. This simple adjustment can provide significant cost savings.

Installation and Maintenance Tips for Your New Hot Water Tank

Professional vs DIY Installation

When it comes to installation, it’s essential to weigh the options between professional installation and DIY. While IKEA-style assembly may be tempting, we recommend relying on a qualified plumber for your hot water tank. They will ensure that everything is set up correctly, reducing the risk of leaks or energy losses.

Regular Maintenance Checks

After installation, regular maintenance is key to ensuring longevity and efficiency. We suggest checking the tank periodically for leaks and ensuring that the temperature is set correctly—ideally around 60 degrees Celsius, as this prevents scalding while still being efficient. Flushing the tank annually to remove sediment buildup can also help maintain its performance.

Making the Right Choice: Our Top Recommendations for 80 Litre Hot Water Tanks

Key Models to Consider

In the market for an 80 litre hot water tank? We recommend looking at models that offer reliable energy efficiency ratings, robust build quality, and features tailored to your household needs. Consider brands known for their durability and customer service support. It’s also wise to review customer feedback to gauge long-term satisfaction with the tank’s performance.

Where to Find the Best Deals

When shopping for tanks, consider not just the product price but also warranty options and after-sales support. These can provide added peace of mind for your investment. Take time to compare various retailers—it can be beneficial to see who offers the best service and value, making your purchase not just a transaction but the start of a positive experience.

Table of contents
  1. Understanding the 80 Litre Hot Water Tank: Size and Capacity Explained
  2. Key Features to Consider When Choosing Your Hot Water Tank
  3. Energy Efficiency: How to Save on Your Heating Bills with an 80 Litre Tank
  4. Installation and Maintenance Tips for Your New Hot Water Tank
  5. Making the Right Choice: Our Top Recommendations for 80 Litre Hot Water Tanks

Overview

1. Comparison winner
Ariston Pro1 Eco S 80L 3kW Water Heater
Our rating
9,8
very good
No reviews yet
Ariston Pro1 Eco S 80L 3kW Water HeaterAvailable immediately
2. Best value
QH Dual V2 Electric Water Heater, 80 Litres
Our rating
9,8
very good
QH Dual V2 Electric Water Heater, 80 LitresAvailable immediately
WDDEYYDS 80L Electric Kettle & Hot Water Dispenser
Our rating
9,8
very good
No reviews yet
WDDEYYDS 80L Electric Kettle & Hot Water DispenserAvailable immediately
80L Electric Water Heater, 2kW, Vertical Wall-Mounted
Our rating
9,8
very good
No reviews yet
80L Electric Water Heater, 2kW, Vertical Wall-MountedAvailable immediately
5. Bestseller
Ariston Velis Pro 80L Water Heater, 3 kW, Ultra-Slim 27 cm, Twin Tank, Eco Evo, Titanium Enamel, Anti-Legionella
Our rating
9,8
very good
Ariston Velis Pro 80L Water Heater, 3 kW, Ultra-Slim 27 cm, Twin Tank, Eco Evo, Titanium Enamel, Anti-LegionellaAvailable immediately
TESY BiLight 80 Litre Electric Hot Water Cylinder - Wi-Fi Control, Smart 24/7 Timer, Temperature Control
Our rating
9,6
very good
TESY BiLight 80 Litre Electric Hot Water Cylinder - Wi-Fi Control, Smart 24/7 Timer, Temperature ControlAvailable immediately
TESY BiLight 80L Electric Hot Water Cylinder
Our rating
9,6
very good
No reviews yet
TESY BiLight 80L Electric Hot Water CylinderAvailable immediately
ELDOM Favourite Hot Water Tank 80L
Our rating
9,5
very good
ELDOM Favourite Hot Water Tank 80LAvailable immediately
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In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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