Welcome to my comprehensive guide on tankless electric water heaters. In this article, I will provide you with reviews and recommendations for the top picks of tankless electric water heaters in 2021. If you're looking to upgrade your traditional water heater to a more energy-efficient option, you've come to the right place. Tankless electric water heaters offer numerous benefits, including lower energy consumption, cost savings, and hot water on demand. Let's dive into the top picks and help you find the perfect tankless electric water heater for your home.
Key Takeaways:
- Tankless electric water heaters are a more energy-efficient option compared to traditional storage tank water heaters.
- They provide hot water on demand and do not require a storage tank, resulting in lower energy consumption and reduced standby losses.
- The top picks for tankless electric water heaters in 2021 include the Stiebel Eltron Tempra, the EcoSmart ECO, the Rheem RTEX, the Ecotouch, and the Stiebel Eltron DHC models.
- Consider factors such as the size of your home, the number of bathrooms and fixtures, the desired flow rate and temperature, and the available electrical capacity when choosing the right tankless electric water heater.
- Proper installation and maintenance are crucial for optimal performance and energy efficiency.
Tankless Electric Water Heater Benefits: Lowering Costs and Boosting Energy Efficiency
The cost of heating water can have a significant impact on a household's budget, accounting for up to 20% of total energy costs. With traditional storage tank water heaters, energy is constantly being consumed to keep the water hot, even when it's not being used. This results in standby losses and unnecessary energy consumption. However, tankless electric water heaters offer several benefits that can help reduce costs and improve energy efficiency.
One of the key advantages of tankless electric water heaters is their energy efficiency. Unlike storage tank water heaters, tankless models provide hot water on demand, meaning they only consume energy when hot water is actually needed. This eliminates standby losses and reduces overall energy consumption, resulting in lower monthly heating bills. Additionally, tankless electric water heaters are known for their high efficiency ratings, often reaching as high as 99 percent, ensuring that the energy used is converted directly into hot water without wasted energy.
Another benefit of tankless electric water heaters is their long-term cost savings. While the upfront cost of a tankless electric water heater may be higher than that of a storage tank water heater, the energy savings over time can outweigh the initial investment. With reduced energy consumption and lower monthly utility bills, homeowners can recoup their investment and enjoy long-term cost savings. Additionally, tankless electric water heaters have a longer lifespan compared to storage tank water heaters, further contributing to cost savings over time.
Improved energy efficiency
Compared to their storage tank counterparts, tankless electric water heaters offer superior energy efficiency. By providing hot water on demand and eliminating standby losses, tankless models can significantly reduce overall energy consumption and lower monthly heating bills. With high efficiency ratings of up to 99 percent, these water heaters convert energy directly into hot water without wastage, ensuring maximum energy efficiency and cost savings.
By choosing a tankless electric water heater, homeowners can enjoy the benefits of reduced energy consumption, lower monthly utility bills, and long-term cost savings. With their energy efficiency and on-demand hot water supply, tankless electric water heaters are a smart and eco-friendly choice for any household.
https://www.youtube.com/watch?v=OZOvmn3hU3Y
Federal Regulations and Energy Efficiency
When it comes to tankless electric water heater installation, it's important to consider the impact of federal regulations and energy efficiency. The U.S. government has implemented strict guidelines that require water heaters to be more energy-efficient, resulting in improved energy efficiency for both storage tank water heaters and tankless electric water heaters.
Tankless electric water heaters, in particular, are known for their high energy efficiency ratings. These units are designed to heat water on demand, eliminating the need for a storage tank and reducing standby losses. As a result, homeowners can significantly reduce their energy consumption and monthly utility bills.
Energy Efficiency Ratings
When choosing a tankless electric water heater, it's essential to consider the energy efficiency rating. This rating is typically expressed as a percentage and represents how effectively the unit converts energy into heat. The higher the efficiency rating, the more energy-efficient the water heater is.
By investing in an energy-efficient tankless electric water heater, homeowners can enjoy the benefits of lower energy consumption, reduced utility bills, and a smaller environmental footprint. However, it's important to note that proper installation is crucial to maximize energy efficiency and ensure optimal performance. Consulting with a professional plumber or electrician is recommended to ensure the unit is installed correctly and operates at its highest efficiency level.
Comparing Energy Efficiency Ratings
When comparing different tankless electric water heater models, it's helpful to refer to the energy efficiency rating. The table below provides an overview of energy efficiency ratings for popular tankless electric water heater brands:
Brand Energy Efficiency Rating A.O. Smith 98% Rheem 99% EcoSmart 99.8% Rinnai 98%
As you can see, different brands offer varying energy efficiency ratings. It's essential to consider this factor along with other features and specifications when selecting the right tankless electric water heater for your needs. By prioritizing energy efficiency, you can make a smart and sustainable choice for your home.
Top Tankless Electric Water Heater Brands
When it comes to purchasing a tankless electric water heater, homeowners have a wide range of brands to choose from. Each brand offers unique features, sizes, and energy efficiency ratings. Here are some of the top tankless electric water heater brands in the market:
A.O. Smith
A.O. Smith is a well-known brand in the water heating industry. They offer a variety of tankless electric water heaters with advanced features such as digital displays, precise temperature control, and self-cleaning capabilities.
GE
GE is a trusted brand that provides reliable and efficient tankless electric water heaters. Their units are designed to deliver hot water on demand while saving energy and reducing utility costs.
Rheem
Rheem offers a range of tankless electric water heaters that are known for their high energy efficiency and performance. Their units are designed to provide continuous, on-demand hot water while saving space and reducing energy consumption.
Whirlpool
Whirlpool is a reputable brand that manufactures tankless electric water heaters with innovative features. Their units are designed to provide consistent hot water flow, quick heat-up times, and long-lasting durability.
Bradford White
Bradford White is a renowned brand that offers tankless electric water heaters with superior energy efficiency and advanced technology. Their units are designed to provide reliable hot water while minimizing energy costs and environmental impact.
Other notable tankless electric water heater brands include EcoSmart, Kenmore, Bosch, Navien, Noritz, Tempra, and Trutankless. With such a wide selection of brands available, homeowners can find a tankless electric water heater that suits their specific needs and preferences.
Best Overall Pick
The Stiebel Eltron Tempra Tankless Water Heater is our top pick for the best overall tankless electric water heater. It offers a maximum temperature of 140 degrees Fahrenheit, a maximum flow rate of 7.5 gallons per minute, and an efficiency rating of 99 percent. With its advanced flow control technology, self-modulating features, and high-quality construction, it provides consistent and efficient hot water for various household needs.
FeaturesSpecificationsMaximum Temperature140 degrees FahrenheitMaximum Flow Rate7.5 gallons per minuteEfficiency Rating99 percent
This tankless water heater is designed to be durable and reliable, ensuring long-term performance and energy savings. It has a sleek and compact design, making it suitable for both residential and commercial applications. With its precise temperature control and instant hot water capabilities, the Stiebel Eltron Tempra is an excellent choice for those seeking a high-quality and efficient water heating solution.
Whether you have a large household with multiple bathrooms or require constant hot water for commercial purposes, the Stiebel Eltron Tempra Tankless Water Heater is the best overall option to meet your needs. Its advanced features, superior performance, and energy efficiency make it the top choice among tankless electric water heaters.
Runner-Up Pick
When it comes to top-rated tankless electric water heaters, the EcoSmart ECO 27 Electric Tankless Water Heater stands as a great runner-up option. With its impressive features and performance, it offers an excellent alternative for homeowners seeking efficient and cost-effective water heating solutions.
The EcoSmart ECO 27 provides a maximum temperature of 140 degrees Fahrenheit and a maximum flow rate of 6.5 gallons per minute. Its efficiency rating of 99.8 percent ensures minimal energy wastage, resulting in significant cost savings over time. This compact unit is designed to deliver hot water on demand for multiple applications, making it suitable for medium to large-sized households.
Equipped with self-modulating technology, the EcoSmart ECO 27 adjusts the energy consumption according to the water demand, delivering optimal performance and reducing unnecessary energy usage. With its durable construction and reliable performance, this tankless electric water heater offers a reliable and long-lasting solution for your hot water needs.
Key Features of the EcoSmart ECO 27 Electric Tankless Water Heater:
- Maximum Temperature: 140 degrees Fahrenheit
- Maximum Flow Rate: 6.5 gallons per minute
- Efficiency Rating: 99.8 percent
- Self-modulating technology for energy efficiency
- Compact design for space-saving installation
- Suitable for medium to large-sized households
Overall, the EcoSmart ECO 27 Electric Tankless Water Heater combines energy efficiency, reliability, and performance, making it a top-rated choice for homeowners in need of an efficient and cost-effective water heating solution.
https://www.youtube.com/watch?v=R96iygDkBlE
Best Budget Pick: Thermomate Tankless Water Heater
When it comes to choosing a tankless electric water heater on a budget, the Thermomate Tankless Water Heater is a top contender. With its affordable price and impressive features, it offers excellent value for money.
The Thermomate Tankless Water Heater has a maximum temperature of 140 degrees Fahrenheit and a maximum flow rate of 3.51 gallons per minute. With its compact design, it is perfect for small to medium-sized households. This budget-friendly option provides instant hot water for up to three different applications, making it suitable for multiple uses within your home.
One of the key features of the Thermomate Tankless Water Heater is its digital thermostat, which allows for precise temperature control. This ensures that you can easily adjust the water temperature to your desired comfort level. The unit also boasts an impressive efficiency rating of 99.8 percent, helping you save on energy costs over time.
Feature Specification Maximum Temperature 140 degrees Fahrenheit Maximum Flow Rate 3.51 gallons per minute Efficiency Rating 99.8 percent Applications Up to three different applications
In summary, if you are looking for a budget-friendly option that doesn't compromise on performance, the Thermomate Tankless Water Heater is a great choice. With its affordable price, compact design, and impressive features, it offers an excellent solution for providing hot water in your home without breaking the bank.
Best for Smaller Homes
In the market of tankless electric water heaters, there are options that cater to various needs and preferences. For smaller homes with limited hot water demands, the EcoSmart ECO 11 Electric Tankless Water Heater stands out as the top pick. Its compact size and energy-efficient design make it an ideal choice for providing hot water to a single shower and low-flow faucet simultaneously.
The EcoSmart ECO 11 offers a maximum temperature of 140 degrees Fahrenheit and a maximum flow rate of 3.1 gallons per minute. With its self-modulating technology, it optimizes energy consumption by adjusting the power output based on the water flow. This ensures that hot water is delivered efficiently while minimizing energy waste.
While the EcoSmart ECO 11 may not be suitable for larger households or high-demand applications, it excels in smaller homes where hot water needs are more modest. Its compact design allows for easy installation in tight spaces, and its energy efficiency helps homeowners save on their utility bills. It's important to note that proper installation is essential to ensure optimal performance and longevity of the unit.
If you're looking for a tankless electric water heater that is specifically designed for smaller homes, the EcoSmart ECO 11 is a reliable choice that offers efficient hot water delivery and energy savings.
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Pros:
- Compact size, ideal for small homes
- Energy-efficient design
- Self-modulating technology for optimized energy consumption
- Easy installation in tight spaces
Cons:
- Not suitable for larger households or high-demand applications
- May require professional installation for optimal performance
Most Versatile Option
When it comes to versatility, the Stiebel Eltron 240V DHC-E12 Single/Multi Water Heater is the top choice for tankless electric water heaters. This unit offers a maximum temperature of 140 degrees Fahrenheit, a maximum flow rate of 2 gallons per minute, and an impressive efficiency rating of 99 percent. Whether you need hot water for a sink, low-flow shower, or even a commercial environment, this versatile water heater can handle it all.
Key Features:
- Multiple applications: This water heater can be used for both single and multipoint installations, making it suitable for a variety of needs.
- Consistent performance: With its high-quality construction and advanced technology, the Stiebel Eltron DHC-E12 ensures reliable and efficient hot water supply.
- Compact design: Despite its versatility, this water heater maintains a compact size, making it easy to install in tight spaces.
Whether you're looking to upgrade your home's water heating system or need a reliable solution for a commercial setting, the Stiebel Eltron 240V DHC-E12 Single/Multi Water Heater is the ideal choice. With its versatility, efficiency, and durability, this tankless electric water heater is sure to meet all your hot water needs.
Table: Comparison of Most Versatile Tankless Electric Water Heaters
Model Maximum Temperature Maximum Flow Rate (GPM) Efficiency Rating Stiebel Eltron 240V DHC-E12 Single/Multi Water Heater 140°F 2 99% EcoSmart ECO 27 Electric Tankless Water Heater 140°F 6.5 99.8% Rheem RTEX-18 240V Electric Tankless Water Heater 140°F 4.4 Varies by size
Best Point of Use Unit
The Ecotouch Tankless Water Heater is my top pick for a point of use unit. With its compact design and efficient performance, it is perfect for providing hot water to a single faucet in locations such as bathrooms, kitchens, or small cabins. This unit offers a maximum temperature of 116 degrees Fahrenheit, ensuring comfort and convenience for various applications.
One of the main benefits of the Ecotouch Tankless Water Heater is its energy efficiency. It operates at an efficiency rating of 98 percent, which means it maximizes the use of energy and minimizes wastage. This not only helps reduce energy consumption but also lowers utility bills, making it a cost-effective option for homeowners.
The installation process for the Ecotouch Tankless Water Heater is straightforward, and it can be easily mounted on a wall or under a sink. It is designed to provide instant hot water with its fast heating technology, ensuring a constant supply whenever you need it. Its compact size allows for flexible installation in tight spaces without sacrificing performance.
Overall, the Ecotouch Tankless Water Heater is an excellent choice for those looking for a reliable and efficient point of use unit. Its compact design, energy efficiency, and easy installation make it a top contender in the market. Whether you need hot water for a bathroom, kitchen, or small cabin, this unit will provide consistent and convenient hot water on demand.
Alternative Option
If you're looking for an alternative option in tankless electric water heaters, the Rheem RTEX-18 240V Electric Tankless Water Heater is worth considering. With a maximum temperature of 140 degrees Fahrenheit and a maximum flow rate of 4.4 gallons per minute, this unit provides hot water on demand for multiple applications. What sets this model apart is its availability in various sizes, catering to different household needs. Additionally, each size comes with different warranties, giving you options to choose from based on your preferences and budget.
One of the key advantages of the Rheem RTEX-18 is its versatility. Whether you need hot water for a large home or a smaller apartment, this model can handle the demand. Its energy efficiency is another valuable feature, ensuring that you save on monthly utility bills. With its reliable performance and durable construction, this tankless electric water heater promises to meet your hot water needs effectively.
Brand Comparison
Brand Maximum Temperature Maximum Flow Rate Efficiency Rating A.O. Smith 140°F Varies by model Varies by model GE 140°F Varies by model Varies by model Rheem 140°F Varies by model Varies by model Whirlpool 140°F Varies by model Varies by model Bosch 140°F Varies by model Varies by model
When it comes to tankless electric water heater brands, there are several reputable options available. A.O. Smith, GE, Rheem, Whirlpool, and Bosch are some of the leading brands known for their quality and performance. Each brand offers a range of tankless electric water heaters with various features, sizes, and efficiency ratings, allowing you to find the right fit for your home. Comparing the specifications and customer reviews of different brands can help you make an informed decision and choose the best tankless electric water heater for your needs.
Best for 120V
The Stiebel Eltron DHC 3-1 is our top pick for a tankless electric water heater that operates on 120V power. This compact unit is perfect for providing hot water to a single faucet or low-flow shower in small spaces. With a maximum temperature that can be adjusted to suit your needs, a maximum flow rate of 0.5 gallons per minute, and an efficiency rating of 99 percent, it offers efficient and reliable performance.
The Stiebel Eltron DHC 3-1 is designed for easy installation and can be mounted vertically or horizontally, making it versatile for various applications. Its sleek and compact design allows for flexible placement in tight spaces, such as under sinks or in closets. The unit features a temperature dial for precise control and a durable copper heating element for long-lasting performance.
Key Features:
- Operates on 120V power
- Maximum temperature that can be adjusted
- Maximum flow rate of 0.5 gallons per minute
- Efficiency rating of 99 percent
- Easy installation and flexible mounting options
- Precise temperature control
- Durable copper heating element
Pros:
- Perfect for small spaces
- Energy-efficient operation
- Easy installation
- Flexible mounting options
- Precise temperature control
Cons:
- Lower flow rate compared to larger units
- Not suitable for larger households with higher hot water demands
When considering the installation of a tankless electric water heater in a small space or for a low-flow application, the Stiebel Eltron DHC 3-1 is the best choice. Its compact size, efficient performance, and easy installation make it a top pick for 120V systems.
Buying Guide: How to Choose the Right Electric Tankless Water Heater
Choosing the right electric tankless water heater requires careful consideration of several factors that will ensure optimal performance and efficiency. Here are some key points to keep in mind when making your decision:
1. Determine Your Household Needs
Start by assessing your household's hot water demands. Consider the size of your home, the number of bathrooms and fixtures that will require hot water, and the typical flow rates and temperature settings you will need. This information will help you choose a tankless electric water heater with the appropriate capacity to meet your needs.
2. Evaluate Available Electrical Capacity
Check your home's electrical capacity to ensure it can accommodate the power requirements of a tankless electric water heater. These units typically require a dedicated circuit with sufficient amperage to deliver the necessary electricity. Consulting with a professional electrician is recommended to ensure safe and proper installation.
3. Consider Installation and Maintenance Requirements
Review the installation and maintenance requirements of different tankless electric water heaters. Look for units that offer easy installation options and clear instructions. Additionally, consider the maintenance needs of the unit, such as filter replacement or descaling, and ensure you are comfortable performing or hiring for these tasks.
By taking these factors into account, you can confidently select the right electric tankless water heater for your specific needs. Consulting with professionals in the field will provide further guidance and ensure a successful installation and efficient operation of the unit.
Considerations Action Determine household hot water needs Assess size, fixtures, and flow rates Evaluate electrical capacity Ensure sufficient power for installation Review installation and maintenance requirements Consider ease of installation and ongoing maintenance
Conclusion
In conclusion, tankless electric water heaters are an excellent choice for homeowners looking for energy-efficient and cost-effective hot water solutions. With their ability to provide hot water on demand and their elimination of standby losses, these heaters offer significant energy savings compared to traditional storage tank water heaters.
Based on our research and tankless electric water heater reviews, the top picks for 2021 include the Stiebel Eltron Tempra, the EcoSmart ECO, the Rheem RTEX, the Ecotouch, and the Stiebel Eltron DHC models. These heaters offer a range of flow rates, temperature options, and energy efficiency ratings to suit various household needs.
When selecting a tankless electric water heater, it's essential to consider factors such as the size of your home, the number of bathrooms and fixtures, and your desired flow rate and temperature. Proper installation and maintenance are also crucial for maximizing performance and energy efficiency. Consulting with a professional will help you choose the best tankless electric water heater for your specific requirements.
With their numerous benefits, including energy efficiency, cost savings, and an endless supply of hot water, tankless electric water heaters are a smart investment for any home. Consider the top picks and the factors outlined in our buying guide to make an informed decision and enjoy the comfort and efficiency of a tankless electric water heater.
FAQ
Are tankless electric water heaters more energy-efficient than traditional storage tank water heaters?
Yes, tankless electric water heaters are more energy-efficient compared to traditional storage tank water heaters. They provide hot water on demand and do not require a storage tank, resulting in lower energy consumption and reduced standby losses.
How much can I save on my energy costs by using a tankless electric water heater?
The cost of heating water can consume a significant portion of a household budget. Tankless electric water heaters offer benefits such as energy efficiency, lower energy consumption, and cost savings in the long run. They can help reduce monthly heating bills.
Are tankless electric water heaters regulated for energy efficiency?
Yes, federal regulations require water heaters to be more energy-efficient, resulting in improved energy efficiency for both storage tank water heaters and tankless electric water heaters. Tankless electric water heaters are known for their high energy efficiency and can help homeowners reduce their energy consumption and monthly utility bills.
What are some top brands for tankless electric water heaters?
Some of the leading brands in the market include A.O. Smith, GE, Kenmore, Rheem, Whirlpool, Bradford White, EcoSmart, Rinnai, State, Bosch, Navien, Noritz, Tempra, and Trutankless. These brands offer a range of tankless electric water heaters with varying features, sizes, and energy efficiency ratings.
What is the best overall tankless electric water heater?
The Stiebel Eltron Tempra Tankless Water Heater is our top pick for the best overall tankless electric water heater. It offers a maximum temperature of 140 degrees Fahrenheit, a maximum flow rate of 7.5 gallons per minute, and an efficiency rating of 99 percent.
What is the runner-up pick for the top rated tankless electric water heaters?
The EcoSmart ECO 27 Electric Tankless Water Heater is our runner-up pick. It offers a maximum temperature of 140 degrees Fahrenheit, a maximum flow rate of 6.5 gallons per minute, and an efficiency rating of 99.8 percent.
What is the best budget pick for tankless electric water heaters?
The Thermomate Tankless Water Heater is our best budget pick. It offers a maximum temperature of 140 degrees Fahrenheit, a maximum flow rate of 3.51 gallons per minute, and an efficiency rating of 99.8 percent.
What is the best tankless electric water heater for smaller homes?
The EcoSmart ECO 11 Electric Tankless Water Heater is our top pick for smaller homes. It offers a maximum temperature of 140 degrees Fahrenheit, a maximum flow rate of 3.1 gallons per minute, and an efficiency rating of 99.8 percent.
What is the most versatile tankless electric water heater?
The Stiebel Eltron 240V DHC-E12 Single/Multi Water Heater is our pick for the most versatile tankless electric water heater. It offers a maximum temperature of 140 degrees Fahrenheit, a maximum flow rate of 2 gallons per minute, and an efficiency rating of 99 percent.
What is the best point of use unit for a tankless electric water heater?
The Ecotouch Tankless Water Heater is our top pick for a point of use unit. It offers a maximum temperature of 116 degrees Fahrenheit, a maximum flow rate of 1.5 gallons per minute, and an efficiency rating of 98 percent.
