Tanklesses

15 Best Tankless Electric Water Heater Reviews for 2022

A tankless water heater is an instant-on water heater that instantly heats the water. We cannot imagine our lives without a water heater because they provide hot water all day long, whether it is winter or summer. Electric tankless water heaters give you endless heated water, lower electric bills, and might even make your home more appealing for resale. Tankless water heaters deliver boiling water more efficiently than conventional tank-style heaters. Rather than holding water in a tank, they heat it as needed, wherever it is required. Boiling water is continuously available in showers, fixtures, and heated water appliances like washing machines and dishwashers.

Here are the top 15 electric tankless water heaters explained so that you can easily find a budget-friendly, easy-to-install energy-efficient heater that will meet all your needs. The description section will include details, pros, cons, power requirements, size, features, and controls. By choosing the correct electric water heater for your household, you will enjoy a comfortable shower, save energy, and decrease your utility bills.

Eemax EEM24018

You can choose the Eemax EEM24018 electric tankless water heater if you want something advanced with self-modulating technology. The installation is simple. This water heater is easily operated anytime and anywhere in the house. The electric water heater weighs 14.5 pounds, is made of stainless steel, and is blue. It is easy to adjust the temperature, and the display is easily readable. It takes a little longer to stabilize, but it remains aware of the interest once it reaches its enactment point. Even with many requests, this heater works exceptionally well.

Eemax EEM24018 electric tankless water heater is 17*14*3.8 inches in size, and its voltage range is 240 volts; that’s why it can adjust the temperature quickly. The price of the Eemax EEM24018 electric water heart is quite pocket-friendly. It offers five years warranty for leaks and one year for the parts, great.

Features: 

  1. Instant, consistent, and endless hot water.
  2. The most advanced, self-modulating technology available, meaning the unit will adjust how much energy needs to be input based on how much hot water is required.
  3. Compact size saves valuable storage space; Resistant and stylish with digital temperature control in increments of 1°F ranging from 80°F to 140°F.
  4. Rated Pressure: 25psi minimum; 150psi maximum.
  5. Easy to install.
  6. Water consumption 3.5 GPM.
  7. Digital Temperature Display.
  8. Durable, Easily Replaceable Heating Elements.
  9. Smart, Energy Efficient, Digital Technology.

Pros

  1. Easy Installation Process. Small in size. Eemax water heaters are designed to reduce liming and calcification using a patented water flow that regularly removes particles from the heating element even while the water is getting heated.
  2. It adjusts faster and gives you the consistency of temperature, and it shuts down so fast that it cost minimal overshoot and is energy-efficient. Great warranty service. It saves space, water as well as money. If someone doesn’t have a gas unit, this one can do a lot better than a tank type. So, you can say that this one is pocket-friendly.

Cons

  1. Not instant. It takes a bit of time to get stabilized.
  2. This electric water heater is sensitive to the flow rate. This unit will heat only one low-flow shower at a time if the water temperature is less than about 55F.
  3. It requires the right amount of power.

FAQ

  1. Can this be used to heat an above-ground pool?

         No, it cannot handle that much volume.

  1. What are the electrical requirements for this heater?

        It needs a two-phase 40 Amp Circuit Breaker.

  1. Can this electric tankless water heater be attached to only a walk-in tub and a regular water heater tank for all other sinks, showers, and washing machines?

        Yes, It can.

  1. Does this water heater come with an installation manual?

       Yes. You can also try youtube videos for better understanding.

This water heater has Copper Emerson heating elements with a brass top, which increases durability, and has a thread groove for easy replacement. A simple Installation system with 3 feet electric cable and 1/2″ CF water connector makes this a great device. This 99.8% energy-efficient and pocket-friendly product can be one of your choices.

Eemax EEM24027 Electric Tankless Hot Water Heater

Do you want a tankless water heater with easily replaceable heating elements, then Emax EEM24027 is here for you? It gives a continuous supply of hot water. This blue color machine is only 17.4 pounds in weight and is made of stainless steel, which provides it with a magnificent outlook. This Eemax EEM24027 electric tankless water heater is energy efficient and an intelligent tool that you can install quickly. It has a digital temperature display, an adjustable temperature in increments of 1ºF and is made with digital technology. The product dimension of the Eemax24027 electric tankless water heater is 17 x 17 x 3.8 inches. It comes with Solid, hand-welded exchanger NPT adapters. Its voltage limit is 240 volts, and the wattage limit is 2700 watts, which helps you get hot water instantly. With a five-year warranty for leakage and a 1-year warranty for the parts, you can install this tankless water heater indoors of your house, and you can get 5.3GPM water consumption from this.

Features:

  1. Durable, Easily Replaceable Heating Elements
  2. Digital Temperature Display.
  3. Adjustable The temperature in Increments of 1ºF.
  4. Smart, Energy Efficient, Digital Technology.
  5. Copper Emerson heating elements with brass top increase durability and are threaded for easy replacement.
  6. Simple Installation: 3 feet electric cable and 1/2″ CF water connectors for easy installation.
  7. Instant, consistent, and endless hot water.l temperature control in increments of 1°F ranging from 80°F to 140°F9. 99.8% energy efficient.

Pros

  1. It has the most advanced, self-modulating technology to adjust how much energy it needs to make the water hot.
  2. Compact in size. It has an easy installation process. It can produce continuous hot water as much as needed. Very small compared to other water heaters, so it saves valuable storage space. It saves energy, so your electricity bill is literally will go down. So, you can tell this one is a great money saver.

Cons 

  1. The warranty period is not that much more extended for the parts.
  2. To use an RV, you need to be sure that you have breaker space for three double pole breakers.

FAQ

  1. How many breakers do the Eemax EEM24027 electric tankless water heater need? It requires one double pole breaker.
  2. Can a generator power Eemax EEM24027 electric tankless water heater? Yes, it can.
  3. How often does this Eemax EEM24027 electric tankless water heater need to be cleaned? It needs to be cleaned once a year.
  4. What is the return policy if this one? As usual, the 30-day return policy is just like other Amazon products.
  5. Can I set the temperature here? Yes, you can.
  6. How many gallons does the Eemax EEM24027 electric tankless water heater produce? It depends on your water temperature.

Making the proven choice, Eemax EEM24027 electric tankless water heater can blow your mind with its super-active service. To get a continuous supply of hot water, you can depend on this product. You and your family can quickly achieve a satisfactory service with a digital temperature display and stylish stainless steel body; this one is an innovative device for any homeowner in America.

Hyperikon Tankless Water Heater Electric

Hyperikon is a US Based manufacturer. Their tankless water heater electric is quite popular among people here. Hyperikon tankless water heater electric comes with LED display and digital controls. The minimum water flows to activate this heater is 0.53 GPM. It requires a connection of One 50A Circuit Breakers. The water pressure range is 0-87 PSI. This tankless water heater is certified as safe by NFS and ETL listed. Being heat protected and leakage protected, this tankless water heater can be one of your choices to make your home more comfortable. You can use this one in your household. It’s an indoor one. It has an integrated temperature sensor withstanding temperatures of 153°F (67°). You can choose your preferable temperature with this one, and it has microcomputer control so that you can select your preferred heat unit measurement ( Farenheit to Celcius) too!

You can enjoy hot water on demand with this Hyperikon tankless water heater electric. It has a heat capacity of 37,543 BTU that gives you instant hot water at any time. This water does not need any preheat, so this one draws the amount of electricity required to produce hot water. That saves a lot of energy and helps you to save money too! This incredible device comes in black color and has 10.2 x 3.5 x 15.2 inches dimensions.

Features:

  1. You can get hot water of enough amount with this one. Enjoy instantaneous hot water at any time of the day! It has a heat capacity of 87,372 BTU.
  2. It has a touch-enabled control panel to set your desired temperature between 86°F and 126°F easily.
  3. The minimum water flow for activation is 0.85 GPM. The power used is based on the gallons of water used per minute.
  4. Hyperikon’s tankless water heater electric will only draw the amount of electricity required to produce the hot water, with no preheating.
  5. Connect this tankless water heater to 1 or 3 minimum 50A Circuit Breaker. This one comes with an installation manual. Please refer to the installation manual before installing it. The water heater is leakage-proof and also over-heat protected at 153°F (67°C).
  6. You will get a five years warranty with this one.
  7. The installation process is easy and fast.
  8. The voltage power of this gadget is 240 VOLT.

Pros

  1. This tankless water heater can give you hot water in no minutes! This one is super fast! You can set the temperature electronically. Once it is hot, it stays warm for a while! Leakage and overheat-protected. Preferable temperature can be chosen.
  2. The price is competitive! Saves up your electricity bills. Installation is very easy to DIY friendly. Saves space.

Cons 

  1. This one has plastic housing. People usually like metal housing for this product. Though authority claims it is heat protective.
  2. It has a mounting bracket. That can make you feel uncomfortable because that’s basically like a hanger, and you have to hang the tankless water heater on.
  3. The wiring has seven connection points that can make anyone confused. You can feel frustrated with terminal connections because most would be using solid copper instead of stranded.

Hyperikon tankless water heater electric can easily make your worries gone with a very stylish design and excellent service. Once you install it properly, this electric tankless water heater can work for you without creating any hassle. With a rectangular shape, this product has a stylish modern look that will give your indoor environment a great look. Its temperature display and touch panel can make your days more comfortable than before. With all the services that it provides, it can be the right choice! This product comes with a long five years warranty, and you can avail of the contract quickly.

Ecosmart POU 3.5 Point of Use

If you want an electric water heater that you can install under your sink, then there you go! This electric water heater has a single application with a maximum flow rate of 0.5 gallons per minute, and it includes 0.5 aerators. Ecosmart POU 3.5 Point of use electric tankless water heater has a simple design, taking very little space. You can use this one in a single sink only. It gives a consistent supply of water on demand. Being flow controlled, it can adjust the temperature according to its flow rate. This electric tankless water heater is the most miniature model of Ecosmart.

You should not be using this one where the temperature is low than 57°F. With 120 voltage and 29 amperages draw, this product is ideal for Wet Bars, Strip Malls, Doctor’s Office, Boats, Bathroom Sinks. When sized accurately, this water heater will provide endless hot water. That makes it the best tankless water heater electric for RVs (Recreational Vehicles). The Eco smart POU 3.5 requires a minimum 100 AMP electrical panel for installation with (1) 30 amp single pole breaker connected to #10 AWG wire. This tankless water heart is 3*11*6 inches in dimension. The plumbing connections of this product are 1/2″ NPT. Ecosmart designed this device for simple work, and it is doing its best!

Features:

  1. Ecosmart POU 3.5 electric tankless water heater provides on-demand and endless hot water for single-sink handwashing applications. This one is non-thermostatic.
  2. This electric tankless water has a digital display to show the temperature.
  3. This one offers a quick installation process.
  4. Durable and compact.
  5. It requires a breaker with 30 A.
  6. It needs one*10AWG wires, and the weight of this device is only 4 pounds.
  7. This tiny device comes with a 1-year warranty—1 Year Warranty on electronics, exchangers, and elements. Warranty only covers the cost of the heater; it does not cover labor or any incidental damages.

Pros:

  1. This device is for a single sink. It will give the best service on the duration of water flow. Easy to install. Tiny so does not take an ample space.
  2. Budget-friendly item. It gives instant hot water when it is turned on.

Cons:

  1. You should use this one for minimal usage. It gives ½ gallon of water per minute. A bit slow.
  2. It does not have an installation menu, so you can be confused about installing it.

FAQ:

Can the flow rate be adjusted up from 0.5gpm to say 1gpm or 1.5gpm?

No, you will have cold water then.

Can I use propane gas for this one?

No, this device runs with electricity.

Do I need to use a battery for this one?

No. The battery is not required.

Can Ecosmart POU 3.5 tankless electric water heater provide enough water to wash dishes?

Absolutely! If you connect this one directly to the sink, it will work correctly.

Is this product ELT listed?

Does this unit have a thermostat control to turn off once the water from the central water heater arrives at the group?

Yes, it is ELT listed, and no, it doesn’t have thermostat control. It is designed to connect to a cold water supply and has a flow sensor that controls the power to the heater. If you connect to the hot water, you would have to design and build some auxiliary control, including a snap-disk type thermostat and a power relay.

This Ecosmart POU3.5 electric tankless water heater is a durable and compact, and stylish product. If you correctly use this one, surely it will give you an excellent service. I have tried to focus on both the pros and cons of this product so that you can think wisely and make a decision about buying this.

3.2 KW Bosch Tronic 3000

If you want to get endless hot water in your kitchen, bathroom, or handwashing sink, then you can give it a try! This compact electric tankless heater is designed to provide unlimited hot water. Bosch Thermo technology came up with a series for their clients. There are four products with different sizes such as 3.2 KW, 7.2 KW, 9.5 KW, 12KW. I am going to tell you about every product in detail.

Features:

  1. This is a convenient electric tankless water heater that reduces the long wait for hot water at the point of use. The product weight is 5 pounds only.
  2. The power source of this product is corded electric.
  3. Energy-star certified this product’s voltage range is 120volt, and wattage is 32000 watts.
  4. This tankless water heater is 12.2*3*6.5 inches in dimension. This device comes in white color. It is soothing for the eyes.
  5. With a GPM rate of 0.5%, this product required circuit breaker amperage is 30.
  6. The minimum wire size is 10 AWG.

Pros:

  1. This device offers easy installation under any bathroom or kitchen sink. With excellent efficiency, this product’s water pressure range is 10-150 PSI, and this one is 98% efficient with minimal standby loss.
  2. This product is ultra-compact, lightweight, and space-saving. You can put the mount on a wall vertically or horizontally.

Cons:

  1. A reset button is difficult to press.
  2. It doesn’t have a temperature control unit.

7.2 KW Bosch Tronic 3000 Water Heater

Features:

  1. This electric tankless water unit operates on 220-Volt at 84-Percent of capacity and 208-Volt at 75-Percent of size.
  2. This one comes in white color, and the dimension of this product is 3.75 x 8 x 11.5 inches.
  3. Item weight is 5 pounds.
  4. The voltage limitation is 220 volts, and the wattage power is 7200 watts.
  5. The minimum required circuit breaker amperage is 30.
  6. The minimum wire size is 10 AWG.
  7. It has a dual-chambered copper heat exchanger.

Pros:

  1. No battery needed a secure installation system.
  2. Inexpensive.
  3. An excellent choice for a small family. Great for small space. Saves energy.

Cons:

  1. Difficult to calculate the ending temperature.
  2. This device is not for a giant family.

9.2 KW Bosch Tronic 3000 Water Heater

Features:

  1. This electric tankless water heater has a GPM value of 1.4. KW input is 9.5/4.75 in high/low rating.
  2. This one is 5 pounds in weight and comes in white color.
  3. The minimum circuit breaker amperage is 40.
  4. It has a dimension of 6*12.5*3 inches.
  5. The minimum wire size is 8 AWG.
  6. 98% energy efficient.

Pros:

  1. This one provides hot water instantly at the sink wherever you need it. Lightweight and compact, so take a small space.
  2. It uses a small amount of electricity, so this one is good for your pocket health.

Cons:

  1. This device is sensitive to water pressure.
  2. It does not have a temperature controller.

12 KW Bosch Tankless Water Heater

Features:

  1. This tankless water heater has 98% efficiency.
  2. GPM output of this device in 1.8 temperature of 45 degrees F.
  3. The weight of this product is 5 pounds.
  4. Voltage range is 208- 240 voltage nominal.
  5. The minimum required circuit break amperage is 50.
  6. The needed minimum wire is 6AWG.

Pros:

  1. It gives hot water fast. Just in 1-2 minutes, you can get your desired water.
  2. Space-saving and money-saving. This one has a temperature controller.

Cons:

  1. It does not come with an installment manual.
  2. It has a sizable pressure drop across it.

FAQ

  1. Can I plug these tankless water heaters into a regular wall plug? No, you cannot. It needs a dedicated breaker.
  2. Can I use the Bosch electric tankless water heater in the house sink? Yes, you can use these for the sink and washroom.
  3. Does this require alternating current? Yes.
  4. Does Bosch electric tankless water heater has a temperature controller? No, it does not.

The Bosch Tronic 3000 electric tankless water is designed to give endless hot water whenever you want. These are convenient, and you can easily place them anywhere you want. Bosch Tronic 3000 is a low-maintenance product. It runs on home electricity, so you do not need to worry. -You can think about it when you are going to buy an electric tankless water heater.

Marey ECO150 220V/240V-14.6kW

Marey ECO150 comes with intelligent technology that offers endless water on demand. It has a secure management system and simple adjustments on an LCD panel that helps you to program the exact water temperature. This item’s weight is 10.1 pounds. Innovative and small in size. It needs 220 volts, and you will have 1 unit of ECO150, mounting hardware, installation manual, and warranty card with this one. Marey ECO150 14.6kW unit is ideal for up to two simultaneous use points, increasing the incoming water temperature to 41°F at a 2.5 GPM water flow rate. It does not have any battery included. It does not need any battery to operate! This device has an intelligent control panel display. Mary ECO150 comes in white color that can be easily adjusted in your house. This one needs a 70 amp double pole breaker. The product dimension of this product is 8.7 x 3.5 x 14.2 inches. Marie ECO150 tankless water heater is ELT approved.

Features:

  1. Marie ECO150 increases incoming water temperature up to 41 degrees F at a 2.5GPM water flow rate. German-designed patented heating element with a stainless steel water channel.
  2. This device has microcomputer control
  3. This tankless water heater comes with a digital panel.
  4.  It has 50 feet maximum distance to the point of use.
  5. This tankless water heater provides an efficient hot water solution eliminating the standby energy consumption of conventional tank units
  6. Marie ECO150 tankless water heater is 100% non-corrosive.
  7. No preheating is needed for this tankless water heater. Works with low pressure.
  8. Compact and space-saving.
  9. This tankless water heater comes with five years warranty.

Pros:

  1. Marie ECO 150 is a low-cost product, and this one is easy to install.
  2. This product saves up to 60% energy. Great deal.

Cons:

  1. The fitting can develop leaks over time.
  2. It needs regular maintenance.

FAQ:

What size of copper pipe is needed for this tankless water heater?

The ECO150 has 1/2″ NPT pipe connections, but your water supply pipes can be 3/4″. Use a standard adapter to convert.

Will this device work without wifi?

Yes, it will work without wifi. There is no wifi option for the ECO150. You may need to purchase additional parts for installation, depending on your location.

To get regular hot water, this electric tankless water heater can be one of your choices. This stylish smart device can fulfill your needs for unlimited hot water quickly. This device has a high-quality component that is corrosion resistant and reduces hard water build-up from chlorine and calcium. You can think about this one when you need to buy an electric tankless water heater.

Titan SCR2 N-120

There are different sizes and applications in the realm of tankless water heaters. Picking the best choice requires original ideas and thought as they are a long-haul interest in anybody’s home. Because of the numerous decisions accessible today, the uplifting news is that you can discover an answer for pretty much any circumstance. Titan SCR2 N-120 electric tankless water can be one of your choices.

Features :

  1. This tankless water heater has 12 x 10 x 5 inches, and it weighs only 2 pounds.
  2.  This device has the inlet and outlet valves placed on its sides but not on the bottom. This device does not have a number display.
  3. The amp draw of this product is 54 amps, and this tankless water heater requires a breaker of at least 60 amps.
  4. The power consumption of this tankless water heater is 11.8kW at 240V, but this one has self-modulation technology. With the self-modulating technology, this water heater only uses that much power to use it at its maximum potential.
  5. This device can handle a temperature rise of 80°F maximum.
  6. The maximum flow output of this unit is about 4GPM/15.14 LPM.
  7. The warranty of this tankless water heater is one year.
  8. This one comes in tan steel color.

Pros:

  1. Secure installation system and compact design.
  2. Energy efficiency comes to 99.5%.

Cons:

  1. Sometimes electronic part of this product can overheat due to intensive use. That means you need to take proper care of this device.
  2. Does not recommend for use in cold weather.

FAQ

Does this one have a digital display?

This one has an LED light only to show the power level.

Can I use this one indoors?

Yes, you can.

Does this one need a battery?

No battery is required.

You can use Titan SCR2 N-120 electric tankless water heater for a single bathroom or sink. This product is compact and space-saving, and this one is efficient at its job. If you are in a warm climate, you can give this one a try.

Kickstart 3000W Mini

Kickstart mini instant Electric water heater is a device you can use in your bathroom sink or kitchen sink to get instant hot water. If you want a tankless water heater for your RV, then this one is perfect for you. This tankless electric water is CE and CCC-certified. You can install this one easily as this one offers all mounted installation system. This electric tankless water heater is compact and space-saving. This device is Approx. 13.5 x 6 x 16.5cm/ 5.31 x 2.36 x 6.59″ in dimension and weight is 2.8 pounds. This one has a rated pressure of 0.MPA and rated power are 3000 watts. The water temperature for this electric tankless water heater is 33-55 degrees Celsius.

Features:

  1. This product is an anti-leakage protection device. It has a leakage protector that automatically de-energizes in case of leakage
  2. This electric tankless heater has IPX4 anti-splash protection.
  3. This device has anti-dry protection, hydroelectric isolation protection, housing insulation protection, and multiple safety measures.
  4. This one is a built-in leakage protection device that does powers automatically off without water.
  5. This water heart offers over-temperature automatic power-off. It has an automated power-off system. When this one is not working, it will get off automatically.
  6. This device gives instant hot water. Water gets hot within 3 seconds.

Pros

  1. The best electric tankless water heater for RVs provides hot water quickly.
  2. You can use this one for indoor and outdoor.

Cons

  1. The minimal capacity of hot water.
  2. In winter, this device cannot give hot water as expected.

FAQ

Can I change the temperature readout to Fahrenheit?

There is no control over the unit. It just has a display.

Does this require a 30 amp breaker?

20 amp is beautiful.

Can this tankless water heater be installed outside?

Yes. This tankless electric water heater is waterproof.

To get instant hot water outdoor or indoor, you can buy this electric tankless water heater. With the automatic power-off of the system, this product is safe and secured and a money saver. And you can easily install this mini tankless water heater wherever you want! So, this product can be your long-term investment for your home!

RTEX-13

Many of us prefer to take a shower with warm water. A hot water bath is very relaxing and always able to decrease the exhaustion we feel. The availability of hot water anytime had always been a big issue before the water heater came into the picture. And the addition of a tankless water heater has made it the easiest nowadays. Rheem RTEX-13 is a type of tankless water heater suitable for smaller apartments or single-point use. Hot water production is instantaneous and endless. It also has excellent energy efficiency, which lessens the electricity bill with a significant margin. The flow rate of this heater is 1.5 GPM with a water saver shower head. The installation process is straightforward to follow. It is an auto-modulating system which means the only necessary amount of energy would be used in the heating process.

Rheem RTEX-13 is 4 x 18 x 19 inches in size, and its voltage range is 240 volts. This is a very lightweight device with only 4 pounds. The price is approximately 300 with five years of warranty for the heating elements.

Features :

  1. Instant and unlimited supply of hot water.
  2. The self-modulating system ensures the proper usage of energy required.
  3. The easy installation process can be done without any expert hand.
  4. The package comes with a 3 feet electric cable and 1/2 NPT adapters included; side 1/2 inch Compression water connections
  5. 99.8% energy efficiency
  6. 1.5 GPM of hot water
  7. The heating elements are made of copper immersion.
  8. Led display which digitally controls the temperature.
  9. Elegant shape, light-weighted, and easily replaceable.
  10. Water-Saver Shower Head with 1.5 GPM output.
  11. Durable Copper immersion two heating elements.

Pros:

  1. This product is natural to function with a digital temperature control system.
  2. Simple installation process because of the size and is also easily replaceable.

Cons :

  1. With one unit, you can not use it at more than one point. It has to be either a kitchen sink or a bathroom shower.
  2. The product is not very suitable for a colder environment.

FAQ:

What is the temperature increment of this device?

The temperature can be adjusted with a 1°F increment.

Can I use this in both my bathroom and kitchen?

No, it is best to use for a single point at a time.

Is it budget-friendly?

Yes, it will cut down your electricity bill a lot.

How much hot water does it produce?

Up to 1.5 GPM.

What is this product?

Five years warranty for the heating chamber and one year for the parts.

RTEX-13 is ideal for a smaller apartment or any place to run a single point of use. Also, the energy efficiency percentage makes it more lucrative with such a reasonable price. The only drawback is that it is not going to work if the inlet temperature is too low. But other than that, this energy saver device is a worthy choice for your cozy house.

RTEX-24 Residential

Ever wanted a water heater that takes small space, supplies continuous hot water, high production of a gallon per minute, and saves energy? It might sound too good to be accurate, but Rheem RTEX-24 tankless water heater consists of all the quality mentioned above and many more. It offers endless hot water instantly and can be used in single points of use and multiple service locations. This energy-efficient self-modulating technology ensures not to waste any energy and uses the exact amount required. The flow rate is 5.9 gallons per minute which can easily supply hot water to a big household. It also has a led display that is used to control the temperature by a 1-degree increment. Rheem RTEX-24 tankless water heater is 4 x 18 x 19 inches in size, and its voltage range is 240 volts. The weight of this device is 17.8 pounds. The price is approximately 495 with five years of warranty for the heating elements and one year of security for the parts.

Features :

  1. Instant and unlimited supply of hot water.
  2. This unit is suitable for both small and significant places.
  3. The most advanced auto regulating system avoids the wastage of energy.
  4. The installation process is simple enough to do by itself.
  5. The package comes with the bottom 3/4 inch NPT water connections.
  6. 99.8% energy efficiency
  7. The heating elements are made of copper immersion
  8. Led display to externally adjusts the temperature.
  9. It saves a lot of space due to its small and compact size.
  10. The flow rate is 5.9 GPM.
  11. Durable Copper immersion three heating elements.
  12. Five years of warranty for the heating chamber and 1-year warranty for the parts.

Pros:

  1. High flow rate with 5.9 GPM. The installation process is also comfortable and adjustable.
  2. Best quality material such as copper immersion three heating elements are used to make this device.

Cons :

  1. Quite expensive.
  2. The product’s performance can fluctuate during winter.

FAQ: 

  1. What is the temperature increment of this device?

      The temperature can be adjusted with a 1°F increment.

  1. Can I only use it in multiple points?

      Yes, you can.

  1. Does it help to decrease the electricity bill?

       Yes, it will cut down the electricity bill by almost 30%.

  1. How much hot water does it produce?

      Up to 5.9 GPM.

  1. What warranty does it cover?

     Five years warranty for the heating chamber and one year for the parts.

RTEX-24 tankless water heater is one of this year’s best electric water heaters due to its cost-effectiveness and sleek design. If you want an endless amount of hot water supply but do not want to waste any extra space for the heater, RTEX-24 is the must-have item for you. It ensures instant hot water for you while looking stylish in your decor. The heater also allows using multiple outlets, which are a rare option in many other tankless heaters. The price is a bit high, but with the instant hot water production along with the low electrical charge, it serves you back right away.

RTEX-18 Residential

Rheem tankless water heater series has been a popular option among consumers. They provide almost every type of water heater following the customer’s criteria. Rheem RTEX-18 is suitable for most households where average hot water is needed. This provides hot water on demand with a flow rate up to 4.5 GPM. The water consumption is up to seven GPM. The temperature can be controlled with a 1-degree increment by the led display. The sleek-looking device can be installed anywhere in the interior without making it awkward. The auto regulating system avoids energy wastage and also minimizes the bill of electricity.

Rheem RTEX-18 is 4 x 15 x 19 inches in size, and its voltage range is 240 volts. This is a very lightweight device with only 8.5 pounds.

Features :

  1. Instant and unlimited fast supply of hot water.
  2. The self-modulating system adjusts the power according to the water demand.
  3. The easy installation process can be done without any expert hand.
  4. The package comes with the bottom 3/4 inch NPT water connections
  5. It saves a significant amount of energy
  6. 7 GPM of hot water consumption
  7. The heating elements are made of copper immersion
  8. External thermostatic digital display to control the temperature.
  9. The small size was yet sturdy, lightweight, and easily replaceable.
  10. Suitable for a single point of use or multiple uses.
  11. Durable Copper immersion two heating elements, field Serviceable. Flowrate 4.4 GPM

Pros: 

  1. This small size makes it easier to install it in small areas without any inconvenience.
  2. Simple installation process and easy to function.

Cons :

  1. It is a bit expensive compared to other tankless water heaters that offer the same features.
  2. The temperature fluctuates, and sometimes the led display keeps flickering when the heater is on.

FAQ:

Does it run with gas?

No, it uses copper immersion to operate.

What is the temperature adjustment?

The adjustment is 1°F increment.

Can this heater be used for multiple bathrooms and kitchens?

Go through the chart provided by Rheem and decide if it would work or not.

Can I use it for outdoor purposes?

No, it is better as an indoor installation.

How much hot water does it produce?

Up to seven GPM.

What warranty does it cover?

Five years warranty for the heating chamber and one year for the parts.

Considering all the features, this is an excellent choice if you have a house with average hot water needs. The hot water production can be up to seven GPM, which is quite impressive. The energy efficiency of this device helps to conserve the power along with the cost minimization of electricity. Also, Rheem provides five years of warranty, so repairing will not be an issue if this comes up with any problem.

RTEX-36 Residential Tankless Water Heater

Rheem RTEX models provide excellent service and thus have always been a customer favorite. If you want a perfect tankless water heater with a high flow rate, RTEX-36 is the product for you. This unit instantly provides hot water on demand with an impressive flow rate of 8 GPM, convenient if you have a large household. It can be used in both a single point of use or multiple occasions. The led display of the device shows the temperature of the water and also is used to adjust the heat with a 1-degree increment. The installation process is easy to follow and can be done without any expert. The heating chambers are made of copper immersion which prevents any contamination of water. The self-modulating device works with energy efficiency and only uses the needed power to heat the water. Rheem RTEX-36 tankless water heater is 4 x 22 x 19 inches in size, and its voltage range is 240 volts. The weight of this device is 22.7 pounds—five years of warranty for the heating elements and one year of proof for the parts.

Features:

  1. The instant and abundant supply of hot water.
  2. Simple installation process. The package comes with a 3 Foot electric cable and bottom 3/4 inch NPT water connections.
  3. Amperage: 150 amps. Voltage – 240V, maximum temperature- 140 F
  4. This unit is suitable for both small and significant places.
  5. The most advanced auto regulating system avoids the wastage of energy.
  6. 99.8% energy efficiency, which prevents waste of power.
  7. The heating elements are made of copper immersion.
  8. The led display helps to adjust the temperature by 1-degree accuracy.
  9. Space saver and easily adjustable.
  10. The flow rate is 8 GPM.
  11. Durable Copper immersion four heating elements.
  12. 5 years of warranty for the heating chamber and 1-year warranty for the parts.

Pros:

  1. High flow rate with 8 GPM. The installation process is also comfortable and adjustable.
  2. Copper immersion four heating elements are used to build this device.

Cons :

  1. Quite expensive.
  2. It needs a minimum of 150amp to run the unit.

FAQ:

  1. What is the temperature increment of this device?

      The temperature can be adjusted with 1°F accuracy.

  1. How much power does it need?

     It needs four 40amp 220 services.

  1. Can I only use it for more than one point?

     Yes, you can.

  1. Does it help to minimize the electricity invoice?

     Yes, it will cut down the electricity bill by almost 30%.

  1. What warranty does it cover?

     Five years warranty for the heating chamber and one year for the parts.

RTEX-36 tankless water heater is a giant disguised in its small size. Its environment-friendly yet powerful technology helps to conserve energy. The stylish look and the high flow rate allow it to be used in small and significant places. The price may seem a bit steep at first, but with each month when it minimizes your electricity bill, you will find it worth the pay.

ECO TOUCH Tankless Water Heater

There are various types of water heaters found in the market. Depending on the specifications and features each provides, it is pretty effortless to choose the perfect one according to your requirements. Eco 55 can be considered the right choice among other models if you are looking for something for your kitchen or bathroom sinks, wet bars, doctor’s office, etc. It is an instant and endless hot water supply that will be a great comfort in winter. It is 15 x 10.4 x 4.9 inches in size, and the weight is 6.5 lbs. It comes in both black and white. But only the black one is provided with remote control. The flow rate is 1.5gpm water from 67 degrees to 109 degrees cutting down the electricity bill. It also ensures to provide clean water with 60% energy saving. The advanced innovative technology helps to adjust the temperature with a 1-degree increment as per need. It also contains multiple safety protections for overheating, dry heating, and leakage. The water and electricity lines are separated to avoid a contaminated water supply. It can be fitted anywhere and easily be considered as a part of the decor.

Features:

  1. Instant and endless supply of hot water.
  2. It comes with an easy installation process.
  3. Compact size, which can be fitted anywhere.
  4. The flow rate is up to 1.5 GPM. Perfect for sink usage.
  5. The unit only uses the required energy to produce hot water.
  6. Stainless steel heat exchanger.
  7. Temperature can be adjusted digitally.
  8. Saves almost 60% usage of energy.
  9. Wall-mount installation.
  10. Several safe protections are included.
  11. Remote control for the black model.

Pros:

  1. The compact and intelligent size makes it easier to install the device anywhere near the outlet.
  2. The steps of installation are easy enough to follow. And it also avoids wasting both energy and water by using proper temperature for needed hot water.

Cons :

  1. The flow rate has to be below 2.5 GPM to get continuous hot water.
  2. The temperature of the unit is not consistent. It fluctuates from high to low, interrupting the flow.

FAQ:

Can I turn it on with 220V?

Yes, you can.

Can my mobile control this unit?

No, it can’t be. It has an RF-controlled pad to set the temperature.

Can I use this in both the kitchen and bathroom?

This tankless heater is basically for one sink use, and it won’t be a comfortable experience for you. However, you can use a 24Kw unit to cover all of them.

What is the flow rate?

Up to 1.5gpm.

What will be the increment during the temperature setup process?

It is a one-degree increment to set an accurate temperature.

So, the question is, are you going to invest 300 bucks for this unit? Aside from some minor drawbacks, it looks like a decent offer to me. This is the ideal go-to item if you want something suitable and a pocket-sized water heater for the kitchen sink.

Rinnai V Series HE Tankless Hot Water Heater: Indoor Installation

Imagine yourself in a situation where you need hot water to do chores or for a bath, and suddenly the hot water flow stops. It could be either your emptied water tank or the once stored hot water turned into a cold. This is where the tankless water heater beats the game. A tankless water heater can produce an instant and endless amount of hot water in a go without wasting any time. It doesn’t need to store water, and the running water comes out warm because of the continuous process. The Rinnai V series He tankless water heater is also a tankless water heater run by natural gas or propane. This model is especially recommended for indoor uses. The hot water production is up to 6.5 gallons per minute and can be used for an entire house. This also has a timer and can be scheduled for use whenever the owner wants. The product size is 13.9 x 8.8 x 23.6 inches with a weight of 45.6 pounds.

Features:

  1. Certified for installation in a mobile home.
  2. Instant and endless supply of hot water.
  3. Better for indoor installation.
  4. It can cover a large area easily.
  5. Hot water capacity is up to 6.5gpm.
  6. The approved gas type is natural gas or propane.
  7. Coldwater Inlet: 3/4 Inch MNPT Hot Water Outlet: 3/4 Inch MNPT.
  8. The unit uses gas to produce hot water.
  9. Large-sized with 45.6-pound weight.
  10. Temperature can be adjusted to 140°F.
  11. Required voltage 120 volts.
  12. Temperature range with controllers: 98°F – 140°f.
  13. Almost ten years warranty.

Pros:

  1. Endless hot water supply covers the entire house.
  2. Flowrate is up to 6.5 gallons per minute.

Cons:

  1. Because of its large size, this unit can be used for indoor purposes only.
  2. The installation process is a bit complicated. You will probably face difficulties if you want to install it on your own.

FAQ:

Is this unit controlled digitally?

Yes, it is.

What warranty does it cover?

It offers a Residential Factory Warranty for 120 months (heat exchanger), 12 months for labor, 60 months for parts.

Is my house almost 1800 sqft in size?

Can I use this unit for the whole place? Yes, you can.

What is the flow rate of this unit?

It can eat up to 6.5 gallons per minute, depending on the groundwater source.

What kind of vent kit will I need to run this heater?

Condensing vent is required.

The market is full of different types of tankless water heaters. One can find out any device that suits their requirement. The gas bill comes considerably low compared to the usage amount. This is not suitable for outdoor use. So, if you want to cover an ample indoor space with an unlimited and continuous hot water supply, then this is an excellent choice for you. Just make sure to install it properly to get the full service.

EcoSmart ECO 11

Tankless water heaters are a must-have product. If you are looking for a water heater suitable for a small place, this product would be an ideal choice for you. This is a lightweight machine with only 6.5 lbs. The size is perfect for a cozy home. The product body is white, and no battery is needed to use it. ECO 11 can heat 2-Gallon water in a minute in a warm climate, efficiently working for a bathroom shower or a kitchen sink. The model has a display that shows the output temperature and can be controlled in increments of 1 Degree. In a colder climate, it can be easily used in a low-flow application. The size of the heater depends on the rate of flow and the increase in the temperature.

The price of the Eco 11 electric water heater is undoubtedly a great catch with such reasonable cash. Eco 11 is 11.5 x 8 x 3.75 inches in size, and its voltage range is 240 volts; that’s why it can adjust the temperature quickly. It also has a lifetime warranty for electronics, exchangers, and elements.

Features:

  1. Prompt, regular, and unlimited hot water.
  2. The auto regulating system makes sure to use only the necessary energy to produce needed hot water.
  3. Close-packed size uses a smaller space with a stylish outlook.
  4. The installation process is straightforward.
  5. Water heating up to 2.5 GPM.
  6. The heat exchanger is made of stainless steel.
  7. Digitally controlled temperature.
  8. Fashionable looking, energy saver.
  9. Heating elements are long-lasting. The outer body can be easily replaced.

Pros:

  1. This product has long durability. Easy to operate with a digitally controlled temperature system.
  2. The installation process is relatively easy to follow. Easy to fit and requires a small space.

Cons:

  1. The hot water production is up to 2.5 GPM which is comparatively less than other appliances. Adjusting the temperature can be troublesome.
  2. The product has to be registered and installed by a licensed technician within 30 days of purchase to avail of the warranty.

FAQ:

  1. What is the temperature rate of this device?

       The range is from 80°F to 140°F.

  1. Does it contain any storage to keep the water?

      It is a tankless heater. It heats as much as water you need. Storage space is not required.

  1. Will this make loud sounds?

     No, it won’t.

  1. How many gallons per minute can be produced by it?

     Up to 2 GPM.

  1. Does it require an ant pressure-relieving valve?

     No, it doesn’t.

Similar Product:

Eco 27

Eco 18

The price of this product is reasonable compared to the other similar products. It can save up to 50% in the process of heating water. Also, its wise size and compact design make it easier to use in small places. The elements can be easily replaceable if needed. This is an easily controlled machine that doesn’t require any battery. Along with the lifetime warranty, it stands out among all the other electric water tank heaters for sure.

How to choose the right electric tankless water heater

The tankless water heater is a much-needed product now, and if you want to get the best product, you must consider these things before buying an electric tankless water heater.

  1. Energy Efficiency: A water heater can be one of the largest energy consumers at your home. You must need to check if your desired tankless water is energy efficient.
  2. Storage type: If you don’t want to run out of water, you should check your tankless water heaters storage type. Limited flow rate can be problematic for the household, so you need to be sure about the storage of your desired product.
  3. Warranty is essential for any device. You can not be sure about your product before using it. SO always try to buy a product with a warranty.
  4. Space required Another thing you need to think about is how much space does your product need? A tankless water heater typically needs a small area that can help you install it under the sink or your preferable space.
  5. Flow rate you need to be sure about your devices’ flow rate. So that you can get your desired amount of hot water.
  6. Maintenance All-electric tankless water heater needs support. You need to be sure about whether you need to do maintenance once a year or not.

Related posts: Point of Use Vs. Whole House Tankless Water Heaters

Wrap up:

Choosing the most appropriate electric water heater isn’t that challenging. I recommend the Readzid website for more information about electric tankless water heaters. Take advantage of the best tankless water heater on the market today! Good luck! You would be able to find your preferred electric hot tankless water heater at an affordable price through my electrical tankless water heater review.