Electric Tankless Water Heater Reviews

Electric Tankless Water Heaters are a more affordable and more capable choice as they are energy-efficient water heaters that provide lower electric bills, unlimited hot water, and it can also increase the resale value of your home. Currently, electric tankless water heaters are on-demand as they provide hot water in a more resourceful way than a conventional water heater. The electric tankless heater will heat the water whenever you need it instead of holding water in a tank. You can get a continuous hot water supply to faucets, showers, and hot water appliances such as washing machines and dishwashers.

Finding an electric tankless water heater that contains everything that you need and fits in your budget limit is a bit tough task, and finding easy-to-install heater is an even more intimidating task. That is why it is crucial to find the right electric tankless water heater so that you can install it hassle-free. Also, it is vital to do thorough research about the brands and their pros and cons before selecting the water heater for your needs.

There are various benefits to use electric tankless water heater like you can save a lot of money on electricity bills, cost-efficient up-front costs and also easy-to-install. In general, these new tankless heaters are used for single appliance use or under a sink. If you want a tankless water heater for your entire home, it is advisable to look for an efficient water heater.

There are various electric tankless water heater models to select fro to match your specific needs. Before buying the water heater for you make sure to check the reviews to understand more about the model and then choose the right model for your need. Most of these tankless models come with more extended warranties and save space.

Also, the tankless water heaters offer benefits more than just saving energy, these heaters available in a compact design hence it saves space, last longer, and they are the best choice for the environment as you don’t have to dispose of a rusty tank in a landfill. Also, these models generally come with a more extended warranty. Water heater specialist Larry Murdock works for Caffe Contracting Service in Alexandria, Virginia says that the warranty is usually 15-years for the tankless water heater. Conventional water heater contains up to six years warranty. He also says that with a tankless, you don’t need to worry about the breakdown problems with water on the floor.

You should consider a few things before choosing a tankless water heater if you want a water heater unit installed in the entire house or one bathroom. Also, you should consider the type and requirements. Gas-fired models require the vent, and an electric model needs proper voltage, circuit breaker, and amperage. Also, the tankless water heaters are placed 50 feet from a power source and can be placed on an exterior or interior wall. Also, the tankless water heaters last more than twenty years, which is twice the life span of regular storage water heaters.

Electric Tankless Water Heater Pros and Cons

Energy Saving – It is one of the significant benefits of an electric tankless water heater. Tankless heaters use around 30% 6o 50% less energy than standard tank heaters this is because the tankless heaters heat water only when you need it and that is the reason these water heaters are also known as on-demand units.

Constant Flow of Hot Water – As these tankless water heaters provide hot water whenever you need, which means it heats the water as it flows through the heater. You don’t need to keep waiting for hot water like in storage tank. The constant flow of hot water is a perfect option to fill a big hot tub.

Small Size – Tankless water heaters occupy less space as they don’t need a tank to hold water, these units are more compact and lot smaller. These small size tankless water heaters occupy a very little space, and it can be easily placed on a wall.

Longer Lifespan – The tankless water heater units have a lifespan of about 10 to 15 years, and some brands have a lifespan of 20 years. However, like standard units, tankless water units also need regular annual maintenance.

Upfront Cost – The upfront or initial cost of tankless water heater is a significant drawback, though it helps you save a lot of money on the current bill later. The reason why these units are costly is that they need a specially designed sealed vent system.

7 Best Tankless Electric Water Heaters

Currently, many individuals finding electric water heaters beneficial and they are considering these units are the best to save money on current bills, which is regarded as the most significant reason. However, heating water takes energy, but tankless heaters are designed keeping the efficiency in the mind, and it is designed to use less energy compared to the tank heaters. The best tankless electric water heaters can save around 50 percent of energy compared to the standard water heaters using a reliable and simple electrical design.

The small or compact tankless water heater units are the perfect option as they can fit in tight or cramp spaces easily. The unit’s digital control feature will allow you to set and process the temperature in one-degree increase to modify how hot you want the water to be. These heaters are not just for energy saving but also durable, reliable, and you can replace the stainless steel components and interior copper easily.

The best tankless water heaters are designed keeping the users’ convenience in mind, and for sure, these units will make your lives easier. However, it is vital to find the perfect tankless water heaters for your need and finding the budget-friendly unit can help you save a lot of money initially as well as later. Here you can find seven best tankless electric water heaters that can help you choose the perfect one for your needs.


Rheem Richmond 6EP15-1 is a 15 Gallon Electric Water Heater is an effortless installation and convenient to use. Rheem 6EP 15-1 is one of the best, durable, and long-lasting electric water heater available in the market. The compact design of Rhee Richmond is the perfect option if you are looking for a water heater to fit in compact and tight places. It is an ideal design for installing in tight spaces, and it provides a quick source of hot water supply. The electric water heater integrates a 2000watt element and pressure relief valve and factory-installed temperature. It needs a 120V electrical source for fixing the heater and can be placed easily on a wall. The parts and tank come with a 6-year warranty.

The electric water heater comes with an over-temperature protector that manages the excess temperature conditions. Also, it contains an exclusively designed glass lining to avoid corrosion and increases the tank life. The automatic thermostat feature keeps water at a preferred temperature. Rheem 6EP 15-1 units are listed and obey Underwriter Laboratories requirement 174. The compact design is perfect for installing in bathrooms, kitchens, and other places. The electric water meets the requirements of NAECA (National Appliance Energy Conservation Act).

– Rheem offers the largest selection to choose from with various models to fit your preferred energy source, budget, and installation needs.
– Low lead complaint
– Six-year limited warranty on tank and parts
– 6EP-15 1 is designed to meet your hot water capacity requirements
– Easy to find the spare parts and easy to get a service technician
– Designed for quick replacement of your present water heater
– This water heater is small in size so that it is easy to install under a countertop

– Tank surface is delicate and sensitive

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#2 – Stiebel Eltron 224199 240V

Stiebel Eltron 224199 is a 24 KW Tempra 24 plus electric tankless water heater that comes with advanced flow control feature. Tempra Plus 1 phase, the 50/60Hz water heater is technologically most advanced heater available in the market. The Stiebel Eltron’s Tempra series has been modified completely, and upgrades with heavy-duty electronics, a hinged cover, easy single flow sensor design, and advanced flow control make this model unique and money-saving German quality heater. This tankless electric water heater is designed to replace a traditional tank heater keeping the convenience of users in mind. Now, with this water heater, you can get hot water continuously at any time you want.

The best thing about this Stiebel Eltron 224199 tankless water heater is that it helps you reduce electricity bill and helps you save a lot of money and energy. With this water heater, you can save around 15 to 20 percent of power compared to traditional tank water heaters. Also, you can easily control the hot water temperature as it allows you to adjust the temperature according to your needs, and enable you to do at any time. Also, Tempra 24 Plus is a compact water heater so that it doesn’t take a lot of space like a tank water heater, and it can fit in any tight place effortlessly. This water heater offers various benefits over a gas-type tankless water heater, and installation is also simple and cost-efficient compared to other models.

– Advanced Flow Control
– Technologically most advanced tankless water heater
– Eliminates unwanted temperature fluctuation
– The Consistent flow of hot water
– Has 99 percent energy saving rating
– Materials used for the Tempra 24 are corrosion resistant
– Better flow regulation
– The package includes User Manual

– Electrical wiring is complicated to connect
– Isn’t very affordable

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#3 – Eccotemp EM-4.0

Eccotemp Electric 4.0 is a 4.0 Gallon Mini-Tank Water Heater provides on-demand hot water at any time and to any tap without any waiting time. The Eccotemp electric water heater is compact, small, and lightweight, and it is the perfect option for commercial, residential, and industrial use. The 4.0 Gallon Eccotemp Electric mini-tank water heater can easily supply hot water up to faucets, or you can connect the heater to your existing hot water unit to make sure to get hot water instantly at any time. The mini-tank Eccotemp 4.0 contains quick and handy temperature controls and a minimum revival time is 20-minutes.

The Eccotemp Em-4.0 mini-tank water heater is designed to run at a maximum of 150psi water pressure. Also, you can easily install the unit as it can be placed on the wall effortlessly or left free-standing, and you can use 110/120V outlet to plug-in the water heater. The mini-tank water heater provides instant hot water even to the faucets that are hard to reach. It can easily fit under a sink in the garage, utility sink, laundry room, or office. The best thing about this water heater is that you can easily mount on the wall or just put it on the floor and you don’t need to spend money on costly re-circulating pumps and lines.

– The Perfect option for standalone sinks
– TLC certified
– Hassel-Free packaging
– 20min recovery time
– ½ inch NPT cold and hot water feed
– Offers instant hot water even at unreachable places
– Manual Adjustable temperature vary 50F to 140F
– 120/110v plug facilitates easy and quick installation
– Costly re-circulating pump and lines are not required
– Keep it on the floor or mount on the wall easily

– A bigger capacity would be better
– Warranty on parts is 2 years only

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#4 – Rheem RTE 13 Electric Tankless Water Heater

Rheem RTE 13 is a 4 GPM electric tankless water heater that comes with exclusive features like on-unit temperature controls, standby mode and active element mode are indicated through LEDs. It requires usual ½-inch water connection, and its modulating power is perfect for single shower use, and it contains copper or rugged brass heat exchanger.

Rheem 13KW electric tankless water heater offers 4.0GPM limit flow rate, and it is perfect water heater for point-of-use function. The electric water heater provides constant hot water on demand and helps you save energy with its energy-efficient compact design that fits at any small or tight place. Also, Rhee RTE 13 is the perfect choice for Condos, Hoes Apartments, Offices, Hotel Boats, Laboratories, and Restaurants, and it is the ideal options as it allows you to use hot water wherever you need it. The RET 13 model contains 10-inches length, 7 ¼ widths, weighs 8.5 pounds and it has 54amps maximum power. The RTE 13 is a compact metal box water heater that can fit perfectly under a sink or cabinet in an office, boat, home, or RV.

– Impressive 4 GPM flow rate for a single shower use
– The thermostat dial is designed for adjusting the nine different temperature settings and adjusting
– Quite a few buyers have had the heater pay for itself in an average of eighteen months
– The unit includes two-foot pre-wired power cable and six gauge

– Isn’t suitable for older homes
– Water flow is sufficient for one person

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#5 – EcoSmart ECO 27 Electric Tankless Water Heater

EcoSmart ECO27 is a 27KW electric tankless water heater comes with patented SM (Self Modulating) Technology at 240 Volts and 112.5 Amps. EcoSmart ECO27 is designed with most advanced technology, and this tankless water heater can help you save up to 50% of energy. Choice models are collected with patented self-modulating technology, so they control precisely how much energy is required to heat the necessary hot water. This tankless water heater not only saves money, but also it is small and compact, and it can easily be mounted on a wall so you can save a lot of storage space and the best thing about this brand is it offers lifetime warranty for all its electric tankless water heater, which you don’t find it in any other water heater brands and models.

EcoSmart ECO27 Electric Tankless Water Heater is one of the largest heaters available with patented self-modulating technology. This is the ideal unit for the Northern United States where the water temperature can reach below 37°F. This water heater can able to heat around three gallons of water per minute, and it can provide running hot water up to two showers at a time and provides continuous hot water. ECO27 is perfect for the individuals living in the Southern United States, for a high-demand of boiling water. A digital temperature control facilitates you to set your temperature in an increase of one-degree, and it allows you to set the temperature anywhere from 80°F to 140°F.

– Save up to 50-percent of the energy
– Continues hot water
– Compact design and offers more storage space
– Limited lifetime warranty
– Digital temperature control
– Easily replaceable components

– Installation is more complicated than other, traditional water heaters
– Isn’t great for areas where the temperatures are low

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#6 – Bosch Tronic 3000 T Electric Mini-Tank Water Heater

Bosch Tronic 3000 T is a 2.5gallon mini-tank water heater heats water very quickly. This point-of-use electric mini-tank water heater can be mounted on a wall or floor mounted. The mini-tank water heater fits easily in cabinet space, under a sink as it is available in an attractive and sleek design. The unique designs can easily blend in flawlessly with current décor even if you install it at a visible location. You can directly connect the water heater at the sink and get hot water with a simple valve into the cold water line. This mini-tank water heater is perfect for various locations.

Bosch Point-Of-Use Electric Mini-Tank Water Heaters provides hot water where you need it quickly, and it comes with a pressure/temperature relief knob connected to 2-5 and 4-gallon tanks that contains a 120 VAc plug-in connection. The Bosch Tronic 3000 T contains thick CFC-free insulation foam for utmost energy efficiency, and the tank contains glass-lined for durability. The mini-tank water heater is perfect for small spaces as these water heaters are small, lightweight, and compact and can be mounted easily on the floor, wall-mounted, or shelf. The Tronic 3000 T can be used for three different uses. You can use it as a sole water heating source for only one sink, as a buffer mounted in-line with tankless water heater, or as a supplement to a present heater.

– Compact and lightweight fits in small and tight spaces easily
– Glass-lined tank for durability
– Easy-to-maintain
– Versatile
– Long-lasting quality
– Great for small places
– Easily mounted
– Convenient water heater
– Quick recovery rate
– Affordable

– Cannot maintain the water temperature when set to idle
– Some elements are made from cheap plastic

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#7 – Bosch Electric Tankless Water Heater

Bosch 9.5 KW output electric tankless water heater is easy-to-install, and it reduces long waiting time for hot water at on-demand or point-of-use. You can easily install Bosch tankless water heater under any kitchen or bathroom sink and get hot water at anytime you want. You can mount the heater either horizontally or vertically and save space as it is a sleek, lightweight, and ultra-compact heater. The Bosch Tronic 3000 tankless water heaters are accessible in four compact sizes. You can wall-mounted under the sink, cabinets, and they can easily blend seamlessly with present décor.

The Bosch Tonic 3000 tankless water heater are 98-percent efficient, and no pressure or temperature relief valve is required. The water heater perfectly useful at patio kitchen station, basement wet bar, garage, utility room, attic, or even a boat, RV, and wherever you need hot water. The reliable point-of-use heater offers hot water wherever the electric socket is available to plug-in, and the unit is backed by a 5-year limited warranty on the heating components and a one-year warranty on other elements. The water heater allows you to save energy and money as it does not have a storage tank.

– The compact size makes the water heater perfect option for small and tight places like under the sink
– The sleek design of the tankless water heater blends seamlessly in any décor
– It needs low maintenance and offers durability and long life
– Affordable
– It allows you to save money and energy

– Reset button is installed inside a unit (complicated to press)
– Lack of variable water heater selector

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