Struggling to buy the best electric tankless water heater online? Don’t know what to buy? Getting utterly confused in the maze of hundreds of products on e-commerce site? Do not worry, as we are here with a complete guide to the things you need to know before buying your best electric tankless water heater.

Read on, and we will guide you to the perfect product sold online.

Best electric tankless water heater

Best electric tankless water heater comparison table

We will start with the very basics of it.

Why buy a tankless water heater at all?

Let us tell you all about it.

Tankless water heaters are there to provide you with an unlimited hot water supply, for you and your entire family. You can use up to 40-45 gallons of water a day on an average.

Unlike other electric appliances, they are a great way of saving energy so that there is no burden on your purse.

Moreover, the water heated in the tankless water heater is not stored in just one tank or one bathroom. They can instead be circulated to the entire house so that everyone can use it simultaneously; this also applies for under sink water heater products.

They heat the incoming cold water supply to your home fast and with excellent efficiency.

Best electric tankless water heater whole house

Before you buy a water heater, you must know about different types of heaters but more specifically tankless water heaters available.

There are many products available, and they are all best rated tankless water heater, but you need to choose one keeping various factors in mind, the quantity of water usage in your household or the temperature of the area that you reside in, to land on the product which is best for you.

We can find two major types of water heaters which are currently popular in the market–

Gas tankless water heaters: Gas water heaters are very efficient and produce a massive volume of hot water rapidly and efficiently. As the name suggests, these burners run on propane or kerosene. Thus there is no expenditure of electricity

Electric tankless water heaters: Most of the tankless water heaters nowadays are powered by electricity. But they are pretty efficient and save almost 40% of electricity consumption.

Whatever type you may choose to install, plan it beforehand. Like if you are installing a gas one, make sure that you have enough propane supply to last you for the cold months.

Also, make sure you fit the machine in a proper ventilated and neat area to avoid any mishaps.

Let us now move on to the best water heater reviews

Refurbished Marey Electric Tankless Water Heater This ECO 110 from the house of Marey is the first one on our list featuring many best-in-class properties. These features make this product one of a kind among other products of the same price range. It can provide you hot water instantly whenever you need it. Its mechanism is that it is joined to the main water supply and can give an endless supply of hot water. It is also straightforward to install and can be done by anyone with a little knowledge around the screw-drivers and electric gadgets. The energy efficiency feature saves a great deal of electricity on power bills so that you can enjoy hot water now and then without a dent in your pocket. Its compact design and energy saving feature makes it a perfect choice for small homes or cabins. In many localities due to technical difficulties, the water pressure is not as high as required. Well, the Marey product takes care of that as well and can work even in very low water pressure. Now you can enjoy hassle-free running hot water in the easiest way possible. PROS They are very easy to install and come with a guidebook to help you fix it without the help of any professionals.

The digital panel enables to operate the machine efficiently without any nuisance. Moreover, the blue LED lights used on the board help you to see even in low or no light conditions.

Comes with a warranty for 5-years.

Energy efficient and minimum consumption of electricity.

Quick and endless supply of running hot water.

Just the perfect size for using in small households. CONS There are no such demerits of the product, and hundreds of customers have been satisfied with the gadget even after using it for a very long period. Check on Amazon

SioGreen IR260 POU 240V/6kW/30A Infrared Electric Hot Tankless Water Heater The product is one of the best infrared electric heaters you have ever owned. It uses a unique coil-less mechanism which makes it stand out among other products. As is does not use any coils it is free of hassles like corrosion of the coiled metal; instead, the water gets heated by the infrared method. The chances of any accidents or mishaps due to the short circuit are also reduced due to this feature. If you are getting a supply of hard water in your home, it also takes care of that problem and ensures that the water supplied to you is free of any disease-causing microorganisms. There is no need for maintenance of coils, as there are none! The carbon coated quartz rods that generate the infrared energy required to heat the water are safe and certified. This is the perfect unit for small families consisting of one or two people. After all, why waste money on a bigger unit, if your requirement is not much? PROS Small and compact design easily fits anywhere and perfect for small families.

There are four power levels, marked 1-4 which you can adjust manually to determine the kind of hot water you require.

Comes with an installation guide to help you to install it yourself without any professional help. Yet, if you face any problem, you can always contact the technical support who are just a call away.

You can adjust the temperature and the flow rate, at will.

Energy efficient and uses coil-free technology.

During outgoing, the temperature of the water does not fluctuate and remains constant.

CONS The heater often has internal leakage problems.

The directions given in the guidebook might be a bit problematic for you to understand if you are not well-acquainted with this type of products. Check on Amazon

EcoSmart 7.2 kW Electric Water Heater Booster Model # ECOTB240 The product is best electric tankless water heater in the online market with some great reviews from the users worldwide. It has some cool features to make your showers warmer during the cold months by delivering an endless supply of hot water alongside with your tank. It has the provision of adjusting activation temperature, which is actually the inlet temperature at which the machine will start heating water. Moreover, there is no need of help from an electrician to set it up if you have a general knowledge of plumbing and follow the provided wiring instructions accordingly. The sleek and simple designed unit will look good in any corner of your house nevertheless. PROS Compact and stylish design and can easily be fitted into small areas.

Easy installation process so that you do not need to hire a professional.

All you will need for this unit to get working is a ten gauge wiring and a 30 AMP circuit breaker. Yes! Only that and nothing else!

The activation temperature can be easily adjusted within the range of 80-130 F and the outlet temperature in a range of 80-140 F.

There is no requirement for batteries as well. CONS May have a little bit of a problem with the circuit breaker; otherwise, the product has no major shortcomings and has successfully delivered a good service to hundreds of satisfied customers. Check on Amazon

SioGreen IR6000 240V/14kW/60A Infrared Electric Hot Tankless Water Heater Another product from the house of SioGreen makes it on the list with an equally impressive set of features. When the list is for a water heater, SioGreen makes the best electric tankless water heater for you and your family. This product uses the all-new infrared technology, a feature absent in most of the high priced or better say overpriced and latest tankless water heaters. It produces infrared energy to heat the water, thus eliminating the need for coils. Thus there is no trouble with corrosion of the coils, and it does not need much maintenance. If you get hard water supply in your locality, it also tackles that problem by not allowing the limescale and calcium to deposit which results in the malfunction of many pricey water heaters rendering them useless. PROS Use of coil-less technology due to which there is no problem of corrosion of the metal coils when they come in contact with the water.

Uses advanced infrared technology to heat the water.

The infrared technology used not only heats the water but also gets rid of the disease-causing bacteria, viruses and other pathogens.

The temperature of the water can be adjusted according to will if required.

The perfect answer to hard water problems and eliminates the calcium and limescale deposition.

It is very energy efficient and thus cost effective for regular usage.

The hot water, if not used, does not remain stored in the machine.

No batteries are needed for it to work.

Water temperature remains constant during a single usage.

Covered by warranty if you employ a certified technician to install it. CONS Often has internal leakage problems.

Some of the information on how to get the computer working is missing from the provided book. Check on Amazon

Takagi T-KJr2-IN-NG Indoor Tankless Water Heater One of the most cost-efficient and environment-friendly heaters in the online market, the Takagi product regulates both the temperatures of the incoming and the outgoing waters with the help of two thermostats present in the unit. The product comes with a warranty of 10 Years on the heat exchangers and 5 Years on other parts. But make sure that to avail the benefits of the warranty, a certified technician must install the machine; otherwise, the offer does not hold good. You can reset the temperature many times a day. Do make sure that you use a good quality fuse for this sensitive unit. It is an excellent product for small homes of up to 3-4 people. It uses a 4-inch stainless steel grade III. PROS It has 6.6 GPM as its maximum flow rate and provides you with an endless supply of water.

There are two thermostats in the unit, one for inlet and other for an outlet, to make sure that the temperature of the water is continuously regulated.

The best in class grade III stainless steel is used.

Comes with a 10 Year warranty for the malfunctioning of the heat exchanger and % Year on other parts.

Perfect product for both small and medium-sized household. CONS The installation process can be a bit tricky, especially for those people who are novice about electrical.

There are often disruptions in the supply of hot water during which you will need to switch it off for a few seconds and again switch it off. Check on Amazon

Do you have any idea what’s an under sink water heater is?

Check out our under sink water heater buying guide.