Best Rated Electric Tankless Water Heater – (2024’s Top Models)

Are you in search of an electric tankless water heater? You’ve come to the right place. Researching and finding the best-rated electric tankless water heater can seem difficult because there are many different models, brands, types, sizes, features, and prices to consider. To make a wise purchase decision, it is important to know what exactly makes up an ideal electric tankless water heater that meets all your needs without breaking the bank. In this blog post, we will dive deep into the elements of a great electric tankless water heater and provide insight into what some highly respected buyers suggest as top-notch choices for 2024. We have also provided detailed reviews of today’s five best rated electric tankless water heaters. So, if you’re in the market for a new electric tankless water heater, read on to learn more and find the perfect match.

Quick shopping picks for the Best Rated Electric Tankless Water Heater?

Are you looking for the best rated electric tankless water heater to fit your needs? With various options available, it can be hard to know where to start. To help narrow your search, we have put together our top picks based on customer reviews and ratings from across the web.

Best Pick

Stiebel Eltron Tankless Water Heater

Stiebel Eltron Tankless Water Heater

  • Item Weight : 1 Pounds
  • Power Source: Electric (Hard Wiring Required)
  • Special Features : ‎LED Display

Staff Pick

EcoSmart ECO 27 Tankless Water Heater

EcoSmart ECO 27 Tankless Water Heater

  • Item Weight : 6.6 Pounds
  • Power Source: Electric (3 x 40 AMP Double Pole Breaker)
  • Capacity : 3 Gallons

What are our recommendations for the Best Rated Electric Tankless Water Heater?

Several factors need to be considered when selecting the best rated electric tankless water heater. Our expert team has conducted extensive research and testing to develop a list of quick picks that balance value and quality.

Design

Product

Features

Price

Stiebel Eltron Tankless Water Heater
  • Power Source: Electric
  • Item Weight : 1 Pounds
  • Special Feature : LED Display
EcoSmart ECO 27 Tankless Water Heater
  • Power Source: Electric
  • Item Weight : 6.6 Pounds
  • Special Feature : LED Display
Eemax EEM24027 Electric Tankless Water Heater
  • Power Source: Ac/Dc
  • Item Weight : 13.75 Pounds
  • Material: Stainless Steel
Bosch Electric Mini-Tank Water Heater
  • Power Source: Electric 
  • Item Weight : 17.3 Pounds
  • Capacity: 4 Gallons
Rheem RTEX-27 Residential Tankless Water Heater
  • Power Source: Electric 
  • Item Weight : 17.8 Pounds
  • Style : ‎Indoor Installation

1: Stiebel Eltron Tankless Water Heater

Best electric tankless water heater for small house

The Stiebel Eltron Tankless Water Heater – Tempra 24 Plus is a revolutionary product transforming how you heat your water. This electric, on-demand water heater is designed to provide endless hot water for all your needs without wasting energy or taking up too much space. The sleek and compact design allows it to be placed almost anywhere in your home, while the white color will blend seamlessly into any interior decor. The Tempra 24 Plus boasts a powerful 18,000-watt motor and can provide up to 20.2 gallons per minute of hot water. It is also equipped with a 150-pound-per-square-inch (PSI) maximum operating pressure and 1-inch thickness, making it perfectly suitable for your home’s plumbing system. Thanks to its advanced technology, this product is highly energy efficient and can help reduce your overall energy bills.

Furthermore, it is backed by a 2-year warranty from Stiebel Eltron, so you can rest assured that you’ll receive quality service and durability. With the Tempra 24 Plus, your hot water needs will be met quickly and efficiently. This product is an excellent choice for anyone looking to save energy and stay on budget. Get the Stiebel Eltron Tankless Water Heater today and enjoy hot, reliable water anytime!

Key Features:

Stiebel Eltron Tankless Water Heater – Tempra 24 Plus is a top pick for its efficiency and consistency. This electric water heater offers on-demand hot water, perfect for any home. It can be installed quickly and easily with minimal effort, making it an ideal choice. Additional features include:

  • 1: Unlimited Hot Water – This water heater offers an unlimited hot water supply, giving you the convenience of never running out. It has a low flow activation rate that conserves energy and ensures your hot water stays just as hot as when it first came out of the tap.
  • 2: Eco Friendly –  The Tempra 24 Plus is designed to be cost-efficient, conserving energy and lowering utility bills. It has a high-efficiency rating with a low Carbon footprint, making it an environmentally friendly choice.
  • 3: Compact Design – This water heater is designed to fit even the smallest spaces with its slim design that measures 4.63 x 16.63 x 14.5 inches. It can be easily wall-mounted, making it great for tight spaces or inaccessible areas.
  • 4: Digital Temperature Display – The Tempra 24 Plus has a digital temperature display that lets you adjust the temperature settings easily and quickly. It also has a child lock safety feature that prevents children from accidentally tampering with the settings.
  • 5: High Power Output – This water heater has a powerful 18000-watt Voltage with a maximum operating pressure of 150 Pounds per Square Inch, giving you the power and performance you need. It is also designed to be durable and long-lasting, ensuring consistent use for years.
Pros
  • Compact size makes it easy to install and takes up very little space
  • Instant hot water, no waiting for the tank to be filled or reheated
  • Advanced temperature control technology ensures precise water temperatures every time
  • Eco-friendly design, saving money on energy costs over time
  • Durable construction with a 10-year warranty
Cons
  • Expensive upfront cost for higher-powered models
  • Professional installation is required for most models

Why should you buy this product:

The Stiebel Eltron Tankless Water Heater is excellent for on-demand hot water. This product delivers 18000 watts of power, offering a fast, consistent flow of hot water. It features an Eco mode to reduce energy consumption, a durable copper construction, and 150 pounds per square inch maximum operating pressure. With its sleek design and wall-mounted installation, this water heater will fit perfectly in any space. It’s perfect for those looking for an energy-efficient and reliable way to have hot water on demand!


2: EcoSmart ECO 27 Tankless Water Heater

Best-rated electric hot water heaters

The EcoSmart ECO 27 Tankless Water Heater is an ideal choice for those looking for a reliable and efficient source of hot water. This product offers maximum versatility by taking up minimal space and providing hot water on demand with an output of up to 27 kilowatts. The compact design is only 17 x 17 inches, perfect for apartments or small spaces. Its powerful motor ensures consistent performance and a maximum flow rate of 6.6 gallons per minute with a maximum temperature of 120 degrees Fahrenheit. It’s also designed to provide dependable, long-lasting service for years, with a lifetime warranty on electronics, exchangers, and elements. This product is ideal for those seeking simplicity and convenience without sacrificing quality.

With its modern features and top-of-the-line performance, the EcoSmart ECO 27 Tankless Water Heater will provide superior hot water solutions for any home or office. Plus, it’s easy to install with a wall mounting kit included in the package. If you’re looking for an energy-efficient way to heat your water, the EcoSmart ECO 27 Tankless Water Heater is a great choice. With its durable construction and top-notch performance, you can be sure that your hot water needs are always taken care of. This product covers you whether for a shower, washing dishes, or laundry. Plus, with its environmentally friendly design and energy-saving features, you can feel good knowing that your hot water source is reliable and energy efficient. Invest in the EcoSmart ECO 27 Tankless Water Heater for superior performance and a lifetime of dependable service.

Key Features:

EcoSmart ECO 27 Tankless Water Heater is an excellent choice for those looking to conserve energy and lower their monthly utility bill. It is a highly efficient and compact wall-mounted unit that heats water on demand, eliminating the need for energy-wasting standby losses associated with traditional tank water heaters. This product features:

  • 1: Instantaneous hot water production – Enjoy instant hot showers up to 6.6 gallons per minute at higher flow rates while maintaining an output temperature of 120 degrees Fahrenheit.
  • 2: Energy Savings – EcoSmart ECO 27 Tankless Water Heater is a high-efficiency water heater with an estimated energy cost savings of up to 50% compared to traditional tank-type heaters.
  • 3: Space-saving design – Its compact and lightweight design makes it ideal for installations in tight spaces such as closets, attics, or crawl spaces.
  • 4: Temperature control – The ECO 27 features an adjustable temperature control that allows you to adjust the temperature to your preference and maximize energy savings by operating the heater at optimal efficiency settings.
  • 5: Durable Construction – This product is made of durable plastic with corrosion-resistant components for long-lasting use. It also comes with a Lifetime warranty on electronics, exchangers, and elements.
Pros
  • Maximum pressure of 150 PSI, allowing for a stronger water flow.
  • Low operating cost as it only heats water on demand, saving you money on electricity bills.
  • Compact design that fits into tight spaces and can be mounted even vertically, saving space in your home.
  • Digital temperature control panel with LED display offering precise temperature control.
  • Lifetime warranty on electronics, exchangers, and elements, ensuring peace of mind for the future.
Cons
  • The initial cost is expensive compared to other models on the market.
  • It can be not easy to install due to its complexity. Hiring a professional installer is recommended if you are unfamiliar with plumbing.
Why should you buy this product:

The EcoSmart ECO 27 Tankless Water Heater is an excellent choice if you’re looking for an energy-efficient and cost-effective way to heat your water. Its high wattage of 27 kW ensures you get hot water fast, while its low power consumption helps you save on electricity bills. It also comes with a lifetime warranty on electronics, exchangers, and elements, ensuring your peace of mind. This water heater is perfect for any home with its slim profile and easy-to-install design.


3: Eemax EEM24027 Electric Tankless Water Heater

Best electric tankless water heater for cold climates

The Eemax EEM24027 Electric Tankless Water Heater is a reliable and efficient solution for all your hot water needs. This product utilizes AC/DC power and has a 27-kilowatt capacity, providing up to 5.3 gallons per minute of hot water. The stainless steel material provides superior durability and resistance to corrosion, while the blue finish offers a stylish and modern look. This product also has a compact design, measuring only 17 x 17 x 3.75 inches in size – perfect for tight spaces. The Eemax EEM24027 Electric Tankless Water Heater is designed to last with its 5-year leak and 1-year parts warranty. With this tankless water heater, you can rest assured that you’ll have hot water whenever and wherever you need it. Whether for a shower, sink, or dishwasher, the Eemax EEM24027 Electric Tankless Water Heater will surely provide long-lasting efficiency and performance.

With its reliable design, superior durability, and stylish finish, this tankless water heater is ideal for any home. Get the Eemax EEM24027 Electric Tankless Water Heater today and enjoy hot water on demand!

Key Features:

Eemax EEM24027 Electric Tankless Water Heater is ideal for providing your household with a continuous hot water supply. This product features:

  • 1: High wattage capacity – This product has a wattage capacity of 27,000 watts and a voltage of 240 volts so that it can quickly heat water to provide a continuous supply of hot water.
  • 2: Compact design – The Eemax EEM24027 Electric Tankless Water Heater has a compact design that is perfect for indoor installation. It measures only 17″ x 17″ x 3.75″ and weighs just 13.8 pounds, so it can be easily mounted in any tight space.
  • 3: Stainless steel construction – The Eemax EEM24027 Electric Tankless Water Heater has a stainless steel construction, ensuring durability and long-term use without corroding or rusting. It also has a blue finish for added style.
  • 4: Maximum heat output – The Eemax EEM24027 Electric Tankless Water Heater produces 27 kilowatts of heat output, providing hot water throughout your household quickly and efficiently.
  • 5: Easy installation – This product is easy to install, with all the necessary fittings and instructions. All you need to do is mount the unit, connect it to your power supply, and you are ready to go! This product also has a 5-year warranty against leaks and 1 year for parts.
Pros
  • Easy to install and maintain.
  • Compact design and lightweight, perfect for tight spaces.
  • Provides endless hot water on demand without preheating or storing.
  • The overheat protection system prevents overheating the unit.
  • LCD shows real-time information about settings and temperature changes.
Cons
  • Requires a maximum flow rate of 5.3 gallons per minute for optimal performance.
  • Requires a minimum operating water pressure of 15 psi.
Why should you buy this product:

This Eemax electric tankless water heater is an excellent choice for those looking for an efficient, reliable, and cost-effective way to heat their home’s water. It has a 27-kilowatt power output, can last up to 5.3 gallons of water per minute, and comes with a 5-year leak and 1-year parts warranty. Its stainless steel construction ensures it is both durable and stylish, making it a great addition to any home. In addition, its compact design allows for easy installation and maintenance. This heater is an excellent choice for anyone looking for an efficient water heating solution!


4: Bosch Electric Mini-Tank Water Heater

Best electric tankless water heater for tiny house

The Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) is a reliable and efficient way to provide hot water on demand. This electric mini tank water heater packs a punch, offering up to 4 gallons of hot water when needed most. It can be mounted on the wall, shelf, or floor, making it the perfect solution for any home. A battery powers this water heater and can quickly provide hot water to multiple fixtures in your house, from showers to laundry rooms and beyond. Plus, its compact size allows you to install it out of sight without taking up too much space. And with a 6-year warranty on the unit and a 2-year warranty on parts, you can rest assured that the Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) will last for years to come.

Whether you’re looking for a reliable way to provide hot water on demand or need a compact solution for your home, the Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) is an excellent choice. It’s efficient, reliable, and ready to provide hot water immediately. Plus, with its easy-to-install design and 6+2 year warranty, you can rest assured knowing you are investing in a quality product that will last for years. Don’t wait any longer – get the Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) today, and never worry about hot water again!

Key Features:

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) offers a range of features to make your hot water needs easier and more efficient than ever:

  • 1: Compact size – The unit is small enough to fit in tight spaces like under a sink or in a closet, making it a great choice for small homes or apartments
  • 2: Quick and easy installation – The Mini-Tank comes ready to use with simple installation instructions and includes all plumbing connections.
  • 3: Energy efficient – The Energy Star-certified unit uses only 1440 watts of power to heat 4 gallons of water fast, saving you money on electricity bills.
  • 4: Durable construction – It is built with a glass-lined tank for corrosion resistance. The heater features an adjustable thermostat with temperatures ranging from 65-145°F.
  • 5: Reliable warranty – The heater comes with a 6-year limited warranty on the unit and a 2-year limited warranty on parts for added peace of mind.
Pros
  • Fast and reliable hot water on demand
  • Easy to install with multiple mounting options
  • Compact size fits in tight spaces
  • Energy-efficient design saves money on energy bills
  • Durable construction stands up to everyday use
Cons
  • Limited capacity of only four gallons of hot water
  • Limited warranty of only six years on the unit and two years on parts
Why should you buy this product:  

The Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) is an excellent choice for instantly efficient and affordable hot water. This product features fast heat-up time, energy-saving design, easy installation, and a 6-year warranty on the unit. This product lets you enjoy endless hot water without wasting time or energy. Get it today and enjoy a convenient hot water experience!


5: Rheem RTEX-27 Residential Tankless Water Heater

Best electric tankless water heater for radiant floor heat

The Rheem RTEX-27 is one of the most advanced tankless water heaters on the market today. This high-efficiency water heater uses cutting-edge technology to provide hot water faster than ever. Its 240V 3 heating chambers can supply up to 7 gallons per minute with an output temperature of 92 degrees Fahrenheit – perfect for a quick shower or to heat a large pot of boiling water. The innovative self-modulation feature also allows you to adjust the power output depending on your hot water needs, helping save energy. Its sleek grey design makes it perfect for indoor and outdoor installations and ideal for any home or office space. With its simple operation and efficient features, the Rheem RTEX-27 will surely become a top pick amongst tankless water heaters. Whether you need hot water for the entire house or just a few rooms, this powerful water heater will do the job quickly and reliably.

Its durable construction and easy maintenance make it an excellent choice for a long-lasting, reliable hot water source. For high-performance heating with energy-saving features, the Rheem RTEX-27 is a must-have.

Key Features:

Rheem RTEX-27 water heater is one of the most advanced, efficient, and reliable residential tankless water heaters available today. Its features include:

  • 1: Self-modulating Technology – The RTEX-27 adjusts the hot water provided according to the demand, allowing for an efficient and cost-effective operation.
  • 2: Compact Design – The RTEX-27 is small enough to fit almost anywhere and can easily be installed indoors, making it an excellent choice for those with limited space.
  • 3: High Efficiency – The RTEX-27 has an energy-efficiency rating of 93%, saving you up to 40% on your water heating bill.
  • 4: Durable Construction – The durable stainless steel heat exchanger and components are designed for long-lasting performance.
  • 5: Digital Temperature Control – The RTEX-27 features a digital control panel, allowing you to adjust the water temperatures for different tasks easily. This feature allows you to optimize energy efficiency and performance.
Pros
  • Compact and lightweight design (only 17.8 pounds)
  • Self-modulation technology that adjusts to hot water demand automatically
  • Easy to install with an indoor setup
  • It operates at 92 degrees Fahrenheit maximum temperature
  • Maximum flow rate of 7 gallons per minute for a highly efficient supply of heated water
Cons
  • Not suitable for large households that require a high flow rate of hot water
  • Requires 240 volts to operate, which may not be available in some areas.
Why should you buy this product:

This product is perfect for residential use because it has three heating chambers and uses advanced self-modulation to adjust the power according to hot water demand. It is efficient, reliable, and easy to install. It also comes with an LED indicator light that allows you to monitor the temperature at all times. With its 7 gallons per minute capacity, this tankless water heater can provide hot water for the whole family.


Relevant Questions:

What is the best brand of tankless water heaters?

Navien, Noritz, Rinnai, Takagi, and Rheem are the top picks for tankless water heaters. Each of these brands offers a range of features that make them stand out.

What brand of electric water heater is the most reliable?

You can’t go wrong with the Rheem Performance Platinum Series Gladiator 50-gallon Electric Water Heater for reliable electric water heaters or the Rheem Performance Standard 40-gallon Electric Water Heater. Rheem’s models have been tested and proven to be durable and dependable. The Stiebel Eltron SHC Mini-Tank Electric Water Heater and the EcoSmart ECO MINI 2.5 are excellent options. Our top five would be the Rheem Performance Standard 38-gallon Electric Water Heater, another great model by a trusted brand.

What is the best tankless water heater for a family of 4?

The Rinnai Condensing Tankless Water Heater is our top recommendation for a family of 4. This natural gas model can heat up to seven gallons per minute, which is more than enough for most families. Not only that, but it also offers energy efficiency and cost savings compared to other models. Additionally, the design makes installation relatively easy and requires minimal maintenance over time. It is an excellent investment for an efficient and reliable tankless water heater!

Are electric tankless water heaters a good choice?

Electric tankless water heaters are an excellent choice for many reasons. They provide hot water on demand and only heat it when needed, which helps save energy and reduce your electricity bills. They also feature space-saving designs and are much safer than traditional tank water heaters due to their lack of pressure buildups that can lead to explosions. Additionally, they are great eco-friendly options since they don’t use natural gas or propane to heat the water. Electric tankless water heaters can be a great way to get hot water without wasting too much space in your home and reducing energy costs.

Why not buy an electric tankless water heater?

Electric tankless water heaters are a great way to save energy and money, but only if you’re not expecting to use more hot water than the unit can produce. Suppose your household demands hot water for multiple locations, such as simultaneously running the dishwasher, laundry machine, and shower. The water temperature will fluctuate in that case since the heater is trying to provide for all three locations. If you think your household may use more hot water than the heater can produce, it’s best to opt for a larger tank-style unit to store hot water and keep up with demand.

Conclusion Paragraph

In conclusion, we’ve presented you with five of the best rated electric tankless water heaters on the market. All five products offer tremendous efficiency and power for various hot water needs. From Stiebel Eltron’s Tempra 24 Plus to Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater, you have plenty of options to choose from as you explore your hot water heating possibilities. Check out manufacturer warranties, user ratings, and reviews before deciding which product would be the best option. Consider your budget, power needs, and installation requirements regarding the ultimate decision. Once equipped with all this knowledge, make an informed choice that will provide you with reliability and savings for years. Thank you for taking the time to read our article about Best Rated Electric Tankless Water Heater, and we encourage you to explore your options today!

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