Best Electric Water Heater in 2021 (Top Water Heater Brands)

If you’re looking to buy one of the best electric water heaters that you can find, then you have come to the right place! Buying a water heater can be a tough and difficult decision because most people don’t know what to look for. However, by following all of the advice outlined below, you’ll have no problem finding the perfect water heater for you and your family!

Things To Consider Before Buying – The Best Electric Water Heater


The first and most important thing that you need to keep in mind when choosing which water heater to buy is the capacity of the unit. This unit will be measured in gallons and it will tell you how many gallons of water the tank is able to hold. The more people you have in your house, the more water you are going to use, so the bigger tank you are going to need to buy.

Most of the tanks are going to have decent tank sizes, but make sure that the gallons-per-minute rating is going to hold up to the standards that you need and will deliver enough hot water over the period of time that you need it. Unless you have a larger family or use more hot water than most families, pretty much all of the tanks mentioned above will work for you.


When I mention the size, I don’t mean the size of the tank as I talked about above but rather the size of the unit as a whole. If you are looking to replace your old water heater, most people fall into a trap thinking that their new unit will fit where the old one was without any problems but that’s not the case.

There are have been insulation and efficiency improvements to the newer hot water heaters which makes the larger in size. Be sure to measure the space you have to ensure that heater you’re looking at is going to fit.

Electric Water Heater


The display on a hot water heater can help make sure you are able to monitor all of the different levels as well as customize the operation of the heater to your liking. Some of the displays will show you important information that you might need to know while other displays will allow you to change settings on your heater such as placing it in vacation mode when you are away from the home. Finding the most comprehensive and intuitive display can really help you out when it comes to using the unit.


There are going to be a lot of different options to choose from when it comes to buying a water heater, especially when it comes to the actual tank part of the heater. While you can choose plenty of options, I recommend looking for one that is glass-lined on the inside of the tank. This will help make the tank stronger and more durable and it will also help reduce the corrosion that can happen inside the tank, thus leading to an extended life for your heater.

Anti-Scale Devices

When you are searching for different water heaters, you’re going to come across a lot of different brands and you’ll find that some of them are advertising features that will help to reduce the scale build up at the bottom of the tank. This is done by the unit automatically swirling the unit on the bottom to prevent any buildup.

While having scale buildup on your heater can shorten the life of the unit, it’s not worth spending a lot of extra money for these features that may or may not extend the life of your unit. Instead, go for a unit with a longer warranty that typically will include better parts and will keep you protected if there ever is a problem.

Brass vs. Plastic

The drain valve is going to be located on the bottom of the heater and it is essentially the plug that allows you to connect a garden hose to the heater so that you can drain the water away from where the heater is situated. When you look at this part of the heater, make sure you are buying a valve that is made from brass instead of plastic.

Brass is going to hold up a lot better in almost all situations where plastic ones might break off or get damaged too easily. Even if you don’t plan on using this drain valve right away, it is still something that you should keep in mind to help ensure you get the best heater out there.


With most of the heaters that you look at and consider buying, you’re going to have the option of choosing whether you want to install it on your own or if you want to have a plumber install them for you. Most of the heaters will come with detailed instructions that tell you exactly what you need to do in order to install one so if you are very handy, you could probably do it yourself.

However, since you will be dealing with electrical connections and you don’t want to hurt yourself or wrongly install the unit, it might be best to let a professional do it for you.

Recommended 10 Electric Water Heater Reviews

1. Westinghouse 80 Gal. 4500W  Electric Water Heater

Westinghouse 80 Gal. 4500W Electric Water Heater

If you want to find an electric water heater that allows you to have peace of mind throughout the entire time you own the product thanks to a lifetime warranty, then this is going to be the heater you want to buy.

It comes with a long lasting 316: stainless steel tank that is resistant to corrosion so you can extend the life of the unit as a whole.


Additionally, as mentioned above, you’re going to enjoy a limited lifetime warranty provided that you complete the online registration process after purchasing the water heater for your home.

In terms of specific features offered by this electric water heater, you’re going to enjoy a 20 gph recovery at around a 90 degree rise and the thermal efficiency of this heater is one of the best you are going to find at 98%. Lastly, the first hour delivery of this water heater is exceptional as it measures in at 84 gallons. You can install the unit yourself if you wish or you can contact a professional to do it for you.


  • Stainless steel tank
  • Corrosion resistant
  • Limited lifetime warranty
  • 98% thermal efficiency
  • 84 gallon first hour delivery


  • Occasionally leaks more than it should
  • Expensive

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2. Westinghouse Residential High Efficiency Electric Water Heater

If you’re looking for a slightly smaller electric water heater than the 80 gallon heater that was mentioned above, then this is going to be one of the better choices that you can go with and it is sure to provide you with plenty of great features as well.

For one, you’re going to get the same lifetime limited warranty that was mentioned with the previous product after online registration so you can have peace of mind knowing that you are protected in most cases when it comes to your heater.


Additionally, this heater is going to offer some specific features as well such as a 20 GPH recovery at a 90 degree rise and a 66 gallon per hour first hour rating. It comes with a similar long lasting 316L stainless steel tank like the one you have seen above and it has a 94 energy factor so you know it is going to run as efficiently as it needs to.


  • Limited lifetime warranty
  • 20 GPH at 90 degree rise
  • 66 GPH first hour rating
  • 94 energy factor
  • Stainless steel tank


  • Slightly poor construction overall

3. Stiebel Eltron Tempra 24 Plus Electric Tankless Whole House Water Heater

Stiebel Eltron Tempra 24 Plus Electric Tankless Whole House Water Heater

This is going to be another great options when it comes to a tankless water heater because it allows you to put the water heater in an area of your house that will not take up nearly as much space as a water heater with a tank would.

However, if you don’t have experience when it comes to a tankless water heater, then I strongly recommend having a professional install the heater and don’t even try to do so on your own.


This particular heater has a lot of great features that you’re going to love including a digital temperature control for fast and accurate readings. Furthermore, this particular electric water heater has proven reliability and there is no venting required which means it can be installed just about anywhere in your house with little to no problem.

As previously mentioned, the sleek design of the unit is great and allows it to fit just about anywhere you might want to put it in your home. Finally, you’re going to be able to save nearly 20% on the how water portion of your electric bill thanks to how efficient this heater is.


  • Digital temperature control
  • Proven reliability
  • No venting
  • Sleek design
  • Saves on electric bill


  • Chemical makeup of water needs to be near perfect for best results

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4. Supergreen IR8000 Infrared Electric Tankless Water Heater

If you prefer to purchase a hot water heated that doesn’t look as nice and fancy as some of the other ones but still does an excellent job of getting the job done at a lower cost, then this might be the water heater you want to purchase.

This particular unit is a commercial grade product and it has a max of 4.6 GPM and it also uses coilless technology along with Quartz heating elements for long lasting parts and a more durable finish.


Additionally, the product is made with recycled material and is eco-friendly. The thermal efficiency on this unit is 99% and it require next to no maintenance so it is easy to keep up and running.

Additionally, there is no direct contact with the water as it uses infrared at a molecular level to warm and heat up the water. This process works to heat the water at an accelerated rate so that the unit can heat it thoroughly and evenly which then allows it to run at a higher flow rate compared to other units.


  • Commercial grade
  • Coilless technology
  • 99% thermal efficiency
  • Higher flow rates


  • Occasionally leaks

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5. Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

If you’ve begun to notice a pattern at all, it’s that more and more of these heaters that we are discussing are tankless water heaters because for the most part, tankless water heaters are the next step in technology and they over some really great results at a relatively low price when you consider everything there is to consider.


This particular unit is going to have self modulating technology and a digital temperature control so that you can change the temperature of the water by just one degree and have complete control over the hot water in your house to give you better savings on your bill.

With this type of technology, you’re looking at saving nearly 50% on your water heating costs! Furthermore, the space saved by this unit is enough to make the sale on it’s own thanks to the tankless feature. It is going to be nearly 90% smaller than some of the options that have tanks and it is still capable of providing on demand, endless amounts of hot water when you need it. If you are using the product for residential use, you’re going to enjoy a lifetime warranty to protect against any problems.


  • Self modulating technology
  • Digital temperature control
  • Save up to 50%
  • 90% smaller
  • Lifetime warranty


  • Very difficult to install on your own

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6. A.O. Smith ENS-50 ProMax Short Electric Water Heater

A.O. Smith ENS-50 ProMax Short Electric Water Heater

If you don’t think you’re quite ready to go with a tankless model and you would prefer to stick with a model that has a tank.

This is going to be a great choice to go with because it is one of the more reasonably priced options on this list and it will provide you with everything you need for an efficient system.


It comes with a permaglas glass coating on the inside of the steel tanks to get the most life possible out of the tank and it comes with a diffuser to reduce the lime and sediment buildup while also maximizing the output of the tank as a whole.

Additionally, this product comes with an aluminum anode with a stainless steel core that will protect the tank against corrosion longer than an anode made of steel would. Additionally, the drain valve on the product is made from a tamper-resistant brass so that you get the strength and durability with it at all times. Lastly, since safety is important, you’ll be happy to know that it meets all of the regulations and standards currently set by the National Appliance Energy Conservation Act (NAECA).


  • Permaglas glass coating
  • Dynaclean diffuser dip tube
  • CoreGard aluminum anode
  • Brass drain valve
  • Meets all NAECA regulations


  • Costly

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7. EcoSmart ECO 27 Electric Tankless Water Heater

EcoSmart ECO 27 Electric Tankless Water Heater

One of the last tankless heaters that you will see on this post is this particular model here but even though it is last, it still packs in some excellent features to distinguish it.

With this unit installed in your home, you can plan on saving around 50% on your water heating costs which means the unit will begin to pay for itself in no times.


Additionally, the digital temperature control allows you to adjust the temperature by just one degree for maximum control over your hot water. The copper and stainless steel components help to make the heater efficient, durable and allows for an easy replacement if necessary.

The size of this particular heater is another key selling point as the compact size helps to save valuable space in your home that can be used for storage or other uses in the home. Despite the small size, the product is both stylish and technologically advance to give you a great look at all times. You need to make sure that the electrical components in your house are going to match with this heater, so be sure to do that before you decide to make your purchase.


  • 50% savings on water heating costs
  • Digital temperature control
  • Copper and stainless components
  • Compact size saves space


  • Very poor customer service

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8. New Suburban Sw6De 6 Gallon Dsi Electric And Gas Water Heater

New Suburban Sw6De 6 Gallon Dsi Electric IgnitionLp Lp And Gas Water Heater

If you’re looking for something a little different than anything you have seen so far on this review post, then this is going to be one of the ones you want to consider.

This particular unit is one of the more unique water heaters that you are going to find as it is mostly designed to be used in an RV, motorhome or trailer, meaning that the look of it is something you might not be used to seeing.


It is capable of holding around six gallons and it can run on both gas or electric, whichever you choose. In addition to that, it is going to have specific dimensions measuring 12.75 inches wide by 12.75 inches high and 19.25 inches deep, so make sure you know for sure if this unit will fit where you need it to. If you use gas, you’re going to get 12,000 BTU of heat and if you use electric, it is going to put out about 1440 watts of electricity.


  • Perfect for RV or trailer
  • Gas or electric
  • Six gallon
  • 12,000 BTU
  • 1,440 watt


  • Not for use in a standard home
  • Electrical element can be hit or miss

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9. Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater

Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater

Rounding out the list of ten products is this particular water heater from Reliance. While it might not be one of the best that you’re going to find on this review post, it still does a great job, especially when you look at the price of the product while making your decision.

This is going to be the perfect option to install into your crawlspace or under a counter and it comes with a six gallon tank along with a six year warranty in case anything happens to go wrong.


Additionally, you’re going to find that this unit is heated thanks to a single 120v 1650 watt copper heating element and it also comes with a side mounted cold water inlet along with a hot water outlet for easy installation for just about anyone. Last but not least, you’re going to enjoy the factory installed temperature and pressure so you know exactly what is happening when you use the water heater.


  • Perfect for under counter or crawl space
  • 1650 watt
  • Side mounted cold water inlet
  • Factory installed temperature and pressure


  • Small tank size
  • Cheaper than others

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10. Iheat Electric Tankless Water Heater

Iheat Electric Tankless Water Heater

Once again, this is another option for you to consider if you want to go with a tankless water heater and it is going to be one of the more reasonably priced options on this list as well but it also delivers some of the better features.

Once again, I do recommend paying for installation by a professional when it comes to this heater because it will be much easier for you in the long run.


This hot water heater can deliver 3.62 GPM hot water for homes that have more than three bathrooms. Additionally, it is 99% energy efficient so you don’t have to worry about any energy being wasted when it comes to using this water heater.

In its class, this is going to be one of the best tankless water heater options that you will find and it works best when the water temperature is about 54 degrees. The heater also works to save both space and money when you install it. Last but not least, it is a lead free certified product so you don’t have to wonder what is being added to your water.


  • 3.62 GPM of hot water
  • 99% energy efficient
  • Saves space and money
  • Lead free


  • Requires professional installation in most cases

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Final Verdict

Buying a water heater is one of the bigger purchases when it comes to buying for your home and you want to make sure that you have done all the research you need in order to get the best product for your money. By following the things to consider provided above as well as paying attention to the recommended product reviews, you should have no problem finding the perfect water heater to match up with the needs of your home.

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