Best Electric Water Heaters

Best Electric Water Heaters

In today’s day and age, hot water is both a luxury and a necessity and the best way to ensure consistent hot water is through electric water heaters. This type of water heater is both user-friendly and energy-saving, making it perfect for everyday home use.

Unfortunately, all-electric water heaters are not created equal and there are a number of factors like wattage, flow rate and installation costs to consider before buying one. Therefore, we have compiled a list of the most ideal electric water heaters to suit your needs.

The following are some of the best electric water heaters available in the UK market.

InSinkErator Instant Hot Water Tap 2.5-litre boiler unit
Instant heating up to 98 degrees 
Fully insulated
Easy to install 
2-year warranty 
check price here
Triton Showers Handwash Water Heater Supplies both hot and cold water
Numbered dial for complete control
easy to install
200mm swivel arm
Instant heating 
Fits old T30i unit
1-year guarantee 
check price here
Redring Powerstream Eco Unvented Instantaneous Water Heater4 power options
Compact and unique design
Instant hot water 
Adjustable power dial
Eco setting           
2 variants
check price here
Ariston Aures Electric Instant Water HeaterCompact and easy to install
Multi-point installation
Double safety thermostat to prevent scalding
Suitable for domestic & commercial use
Manual temperature control 
check price here
Stiebel Eltron Small Electric Vented Water Heater5 litre capacity
Oversink water heater 
Easy to install
Reliable heating
2-year warranty 
check price here

Buyers’ Guide on Best Electric Water Heaters

Water Heaters are important because they provide hot water to your home. They are also an important part of the water heating system in your home. The right water heater will make your life easier and reduce the amount of money you spend on utilities each year. It is important to take the time to do research to find the best electric water heater for your household needs.

Your first consideration should be the size of electric water heater that you need for your home. You want to keep in mind how many people are living in your home, how often each person takes a shower, and whether you have pets or not. A normal sized family will need a 40 gallon tank at bare minimum, but larger families may need more than this. As a rule, the more you have in your household, the larger tank you will want to get. You will also want to think about whether or not you have a dishwasher as well as a washing machine that uses hot water.

Next consider how much energy the heater uses each year. The less expensive units may be cheaper for you to purchase, but you will pay more in the long run because your monthly utility bills will be much higher. The best electric water heater has an energy factor of at least .67, which is very efficient.

Most appliances have hot spots and cold spots when they heat up water. Usually this isn’t a problem, but if you are trying to heat up water for a baby’s bottle you want the water to be as hot as possible. Select a tankless heater or one with point of use technology so that you know this will not happen.

If you have an older home, there may be parts that need to be replaced every few years because they wear down or get damaged. You should think about this when you are making your purchase. Tank water heaters tend to be more expensive, but they can last up to twenty years or more. On the other hand, tankless heaters have a tendency of breaking down every two years or so, which is a significant cost if this happens on a regular basis.

When you buy a new heater, you should also think about who will install it. If you are good with home improvement projects, you can do the installation yourself. On the other hand, some people don’t want to deal with complicated wiring and hookups on their own, which is why many purchase units that come complete with all of the hardware included. This makes installation much easier and it also makes it possible to have a water heater for your home in a few hours.

Many people look at the money they need to spend up front when buying a new appliance, but this is not always the best option. There are usually rebates and other incentives that lower the cost of your purchase, but you may have to do some research to find them.

Also many people don’t think about safety when they are looking at their options, but you should keep in mind that the best electric water heater will not explode and cause injuries and damage to your home and property. You want a unit that is UL (Underwriter’s Laboratories) listed for safety, which means it meets certain standards. This is especially important if you have children in your home because they can be injured by faulty appliances.

These are just a few things to think about when you are making the decision of which water heater to buy for your home. Once you take these tips into consideration, you will be able to make an educated choice and get the best possible water heater for your household. Your monthly electricity bills will decrease significantly, which is good for your wallet and the environment.

Best Electric Water Heaters

Best Electric Water Heaters


InSinkErator Instant Hot Water Tap 

InSinkErator is an American company well known for its hot water dispensers and food waste disposal systems. They make some of the best electric water heaters available in the UK and their products are high quality and loved by users worldwide.


This easy to install hot water unit provides you with instant near-boiling water for tea, coffee and cooking and is capable of dispensing up to 60 cups of water per hour. The hot water is also great for cleaning grease, syrup, baked-on food etc. The 2.5-litre tank is unobtrusive and fits easily under the sink using tool-free tank connections. If there is no sink space then the unit can also be installed on the work surface. The tap is fully insulated to ensure safety and the filter is easy to replace. The unit is also energy efficient and economical and sturdily built.

The unit comes with a 220V plug and runs on a power of 750W. It has a single handle with a chrome finish. It is a great way to get safe and filtered drinking water and reduces chlorine, lead, and other unpleasant tastes, chemicals, and odours from the water. It is a must have for every kitchen and makes getting hot water so much easier.

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Runner- up 

Triton Showers Handwash Water Heater

Triton showers is the UK’s leading electric shower manufacturer and well known for being easy to install and use while being extremely budget-friendly.


Triton showers’ hand wash water heater is one of the best electric water heaters in the uk and a great low-cost source of hot water. It fits directly into the mains cold water and mains electric supply, making it cheap and simple to install. It has a 200mm swivel arm to ensure ease of use and flexibility and is expertly engineered. It’s great design ensures compactness making it perfect for both domestic and commercial use. 

It comes in two power ratings, 3kW and 7kW. It heats water instantly and is perfect for places with only a cold mains water supply.


Redring Powerstream Eco Unvented Instantaneous Water heater 

Redring makes high-quality electric showers, water heaters, hand dryers etc. They have a large range of products and cater to both domestic and commercial users. 


This high-performance heating unit is one of the best electric water heaters in the UK due to its integral power level selection and ease of control while reducing running costs and minimising electrical wastage. It’s instantaneous heating technology eliminates the need for a centrally located hot water cylinder and long pipe runs. And its compact and unique design makes it perfect for hot water supply to hand basins where access to stored hot water is limited.

It has two variants, 9.5kW and 10.8kW, with four power options (High, Low, Eco and Cold), making it useful all year round. The mounting is flexible to allow pipe entry from either the bottom of the side and its size ensures it fits neatly under worktops, bathroom cabinets and washbasins. It can supply hot water to up to two basins or a single basin and manual mixer shower and is perfect to get hot water at out of reach locations.

Customer Verdict

InSinkErator is a high-quality instant water heater applauded for the ease of use and convenience it provides.

Triton Showers is applauded for its flexible and easy installation and compactness and is an absolute steal for the price.

Redring is applauded for its high-performance and multiple power modes which make it useful throughout the seasons. It is much loved by people who need hot water in out of reach areas as it eliminates the need for a centrally located hot water cylinder and long pipe runs.


Electric water heaters are worth investing in as they make everything from cooking to cleaning easier and more convenient. The comfort of instant hot water is unparalleled and often regarded as a defining mark of civilisation. 

We hope this list of the best electric water heaters in the UK helped you choose your perfect water heater and would love to hear your thoughts and opinions in the comments section below.


I am John Oakley. I love to share tips and reviews on products to keep our homes warm and comfortable.

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