Earlier water heaters were used to store a finite amount of water and then heat it. This process though effective used to take a lot of time and every time the user ended up waiting for a solid 5 to 10 minutes before he/she can start their work.
With the advancement in technology and refining processes, water heaters are now able to heat water instantaneously and make it available to you right at the moment you open your tap or shower.
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Types of Water Heaters
Waterless heaters are of 2 types mainly:
1. Electric water heaters
As you can determine from the name, they are electrically powered just like the old regular ones. But there are lots of positive attributes to these ones like there is no water storage container in it so the size has reduced drastically altogether.
It mainly contains 2 components: Copper pipes and a Control panel and these 2 don’t take much more space than a fuse box at your home.
They have copper pipes rolled into appropriate shapes and water is run through them. Electricity is used for heating up the water while it travels in the tubes and finally goes out via the outlet.
2. Gas water heaters
This kind of heater uses an open flame right below the copper pipes to increase its effectiveness. They are able to heat water instantaneously.
But there is one big problem and that is to constantly change its gas cylinder. Plus, there is also risk and maintenance of an open flame system.
Though they are as efficient as electric ones, the constant need for maintenance makes them a bit of a hassle and less pricey too.
And if you’re looking for a Tankless Electric Water Heaters for your kitchen, you can also invest in a hot and cold water purifier. that will solve your problem of cool or hot purified water.
Today brands are offering such advanced technologies that will solve your problem of cool or hot purified water with just a push of a button.
Find the list here: the water purifier brands
Best Electric Tankless Water Heaters
Water Heater In this article we are going to review some of the Best Tankless Electric Water Heaters in the market of 2021 today. Let’s begin:-
1. Rheem RTEX-18 18kW 240V
Features
- KW – 18
- Size – 18.25 x 3.5 x 14.5 inches
- Volts – 240
- GPM – up to 4.4
- Digital thermostatic
- NPT water connections
LED display with external digital thermostatic control with +/- 1 degree accuracy
Design and technology- It is made of alloy steel which makes it a durable one and also the use of colour light grey gives it an elegant look.
The display is digital with blue colour lettering and a stylish silver knob. It has 2 copper immersion heating elements with self-modulating features which can adjust the power input to meet the demand of hot water in a more efficient way and thus conserving energy.
With the capacity of 18 KW, it can easily serve a Kitchen and 1 washroom.
2. EcoSmart ECO 11 Electric Tankless Water Heater
Features
- KW – 13
- Size – 3.63 x 14 x 17 inches
- Volts – 240
- GPM – 2.5
- LED display with +/- 1-degree accuracy
- AHRI Energy Star
Design and technology – It is a white coloured box with black inlay for the control panel. The design is simple and minimalistic.
With a silver colour knob, you can easily manage the temperature and other settings. It also boasts of the most advanced self-modulating technology which can save up to 60% on your electricity bill.
The product is quite durable and will be fit for a kitchen plus 1 washroom. Though it is 18 KW its GPM is low at just 2.5 which runs short in front of its competitors. Its looks are very simple so it fits just right in any place.
3. Rheem RTEX-24 24kW 240V
Features
- KW – 24
- Size – 18.25 x 3.5 x 17.63 inches
- Volts – 240
- GPM – up to 5.9
- ON/OFF Dial Control
- Self-modulating power control
LED display with external digital thermostatic control with +/- 1 degree accuracy
Design and technology – This version is a beefed-up cousin of the 18 KW one. It is also made up of alloy steel making it very durable and stylish to look at.
The performance is nice and it can simultaneously provide hot water at different outlet points. At 5.9 GPM, it can handle the needs of a family of 4 to 5 people just fine.
The company says its self-modulating technology is among the best in the market and it helps you to save money by conserving electricity. The flow is good and the product is sturdy which makes this product a good one.
Also Read:- Top 7 Best Kerosene Heater For Indoor Use
4. Stiebel Eltron Tankless Heater – Tempra 36 Plus – Electric
Features
- KW – 36
- Size – 4.63 x 16.63 x 14.5 inches
- Volts – 240
- GPM – 4.5
- LED display with +/- 1-degree accuracy
- Copper sheathed heating
Design and technology – It has a square shape with a control panel sitting right in the middle. At 36 KW, this water heater is a beast and can be comfortably used in public spaces such as bakeries, restaurants, schools etc.
It has a near-total silent operation and a sleek white look which fits in any environment easily. It is engineered in Germany so you can rest assured about the quality.
With the top quality also comes the top price of S 601 which makes it a costly machine but it justifies its price with its performance and builds quality.
The copper tubes are sheathed and enclosed in a copper cylinder for added efficiency. It is best fitted for social spaces but if you have a large house and you want multiple outlets then also you can choose this one.
5. CRAFTSMAN 18kW 240-Volt 3.7 GPM
Features
- KW – 18
- Size – 15.74 x 4.53 x 14.76 inches
- Volts – 240
- GPM – up to 3.7
- LED display with +/- 1-degree accuracy
- serves up to 1-2 bathrooms
Design and technology – This one doesn’t look like a water heater at all. With its red colour and black borders, it looks more like a toolbox or a safe.
With 18 KW it can serve a kitchen plus 1 washroom. As with all electric heaters, if inlet water is cold i.e – if you are in colder regions then its GPM falls down but still, it maintains a constant supply of hot water.
This has a Led display with red colour lettering which looks cool. Its price is a bit more than its competitors which can be a bit of a letdown for most of us. It is a good heater with different looks but a little bit pricey.
6. Eemax EEM24018 Electric Tankless Water Heater
Features
- KW – 18
- Size – 17 x 14 x 3.75 inches
- Volts – 240
- GPM – Not available
- LED display with +/- 1-degree accuracy
- ranging from 80°F to 140°F
Design and technology – This water heater is a very stylish blue coloured compact unit. With an LED display that shows info in blue lettering with a black inlay for the control panel, it looks very modern. The manufacturer claims it can easily provide hot water to multiple points simultaneously regardless of weather conditions.
If you are looking for a modern looking water heater which uplifts its surroundings also with a decent performance, you should consider this one.
7. Ecotouch ECO90 Electric Tankless Water Heater
Features
- KW – 9
- Size – 15.8 x 3.1 x 11.1 inches
- Volts – 240
- GPM – 1.5
- Display – Backlit LCD with touch controls
- Dry heating protection
Design and technology – If you are looking for a good lightweight model for your sinks, washing machines, basins etc. then this is the one for you. It has a stylish all-black body with a touch-sensitive control panel. At just 9 KW, it is light on power consumption but does its job well for 2-3 outlets when judicially used.
It also has features like self-modulation, stable temperature check covers leakage protection along with an upgraded heating system that heats the water in just 3 seconds after opening the tap.
8. Rinkmo EI18 Electric Tankless Water Heater
Features
- KW – 18
- Size – 13.12 x 3.12 x 17 inches
- Volts – 240
- GPM – 1.5
- Display – LED display with +/- 1-degree accuracy
- High-Tec temperature & smart flow sensors
Design and technology – This one has a white body with a LED display inlaid in the black inset. Along with other common features, it also boasts of high safety features. Water pipes and electricity lines are sealed separately in different places. It also claims that there will not be any rust build-up and claims a long life.
It also has self-modulation technology which helps you save electricity by adjusting the power flow while keeping a stable temp no matter how much time.
9. CRAFTSMAN 18kW 240-Volt 3.7 GPM
Features
- KW – 18
- Size – 11 x 2.35 x 7.5 inches
- Volts – 240
- gpm – 1.2
- Display – LED display with +/- 1 degree accuracy
- Over temperature protection
Design and technology – Super sleek and compact design with an all-black design makes this geyser a stylish piece of appliances. The Tankless Electric Water Heaters is suitable only for kitchen sinks and washbasins but should not be used for showers or other heavy-duty purposes. At just 5.5 kW, it is intended to handle only 1-2 connections at a time but that it will do so efficiently.
Its price is apt for its capability. On top of that, it also has some extra safety features like separate lines for water and electricity, dry heating protection, leakage protection, and over-temperature protection. It is very compact and can be installed in tight spaces too.
Conclusion:
Here we come to the end of this article, briefly going through all the details about the 9 Best Tankless Electric Water Heaters.
Hopefully, you found this article worth reading and now can go for the friendly one as per your requirements and budget. For any of your queries, you can comment below.