Are you tired of running out of hot water? Looking for an energy-efficient solution to meet your household's hot water demands? Look no further than the best 120v electric tankless water heaters. These compact and innovative units provide hot water on demand, saving space and energy compared to traditional tank models.
Our team of experts has researched and tested various electric tankless water heaters to bring you the top recommendations. Whether you need a budget-friendly option or a premium choice with advanced features, we've got you covered. Read on to discover the best 120v electric tankless water heaters for your home.
Key Takeaways:
- 120v electric tankless water heaters provide hot water on demand and save space compared to traditional tank models.
- Ecosmart ECO 27, Rinnai RU199iN, Rheem RETEX-36, and Stiebel Eltron DHC 3-1 Classic are among the top choices for different needs and budgets.
- Consider your hot water demands and specific requirements to find the best tankless water heater for your home.
- Tankless water heaters offer numerous benefits, including energy efficiency and hot water on demand.
- Choose an electric tankless water heater that meets your flow rate requirements and has features like temperature control for optimal performance.
How Do Tankless Water Heaters Work?
Tankless water heaters, also known as on-demand water heaters, have gained popularity for their energy efficiency and compact size. These innovative devices provide hot water on demand, eliminating the need for a large storage tank and reducing standby energy losses. But how exactly do tankless water heaters work?
Unlike traditional water heaters, which constantly heat and store a large volume of water, tankless water heaters heat the water as it passes through the unit. When a hot water tap is turned on, cold water enters the unit and flows over a heating element or a heat exchanger. The heating element quickly raises the temperature of the water, delivering hot water almost instantly. This on-demand heating process allows for significant energy savings and ensures a constant supply of hot water.
Tankless water heaters are designed to be compact, making them ideal for homes with limited space. They can be wall-mounted, freeing up floor space and providing flexibility in installation. With their small size and efficient operation, tankless water heaters offer a practical and convenient solution for households of all sizes.
Advantages of Tankless Water Heaters:
- Hot water on demand: Tankless water heaters provide hot water as soon as you need it, eliminating the wait time for the water to heat up.
- Energy efficiency: By only heating water when it's needed, tankless water heaters reduce standby energy losses, resulting in lower energy consumption and utility bills.
- Compact size: Tankless water heaters are designed to be space-saving, making them suitable for apartments, small homes, and other locations with limited space.
- Durable and long-lasting: Tankless water heaters often come with longer warranties than traditional water heaters, and their durable components are built to withstand years of use.
Overall, tankless water heaters offer a more efficient and convenient way to heat water. With their on-demand hot water delivery, energy savings, and compact design, they are a popular choice for homeowners looking to upgrade their water heating system.
Tankless vs. Regular Water Heaters
When it comes to choosing between a tankless water heater and a regular water heater, several factors need to be considered. One of the main differences between the two is how they operate. Regular water heaters store and constantly heat a large volume of water in a tank, while tankless water heaters only heat water as necessary. This fundamental difference can have significant implications for homeowners.
A key consideration is the flow rate. Tankless water heaters have a lower flow rate compared to regular water heaters. This makes them more suitable for smaller families with lower hot water demands. If you have a large household with multiple bathrooms and appliances requiring hot water simultaneously, a regular water heater may be a better option to ensure a consistent supply.
Another factor to consider is the specific hot water needs of your household. Tankless water heaters are known for their energy efficiency and compact size, making them ideal for homeowners who prioritize space-saving and want to reduce energy consumption. Regular water heaters, on the other hand, may be more suitable if you have a high demand for hot water and prioritize convenience over energy efficiency.
Tankless Water Heaters Regular Water Heaters Flow Rate Lower Higher Hot Water Demands Smaller families, lower demands Larger households, higher demands Energy Efficiency Higher Lower Space-saving Compact size Requires ample space for the tank
Factors to Consider When Choosing a Tankless Water Heater
When selecting a tankless water heater, several factors must be taken into account to ensure the right choice for your specific needs. These factors include fuel type, size, capacity, features, temperature control, and modulating burners.
The fuel type is a crucial consideration, as it determines the energy source that will power the water heater. Tankless water heaters are available in natural gas, propane, and electric options. Each fuel type has its advantages and disadvantages, so it's important to choose the one that aligns with your preferences and availability.
Size and capacity are essential factors to consider, as they determine the unit's physical dimensions and the amount of hot water it can provide. The size should be suitable for the installation space available in your home, while the capacity should meet your household's hot water demands. Additionally, considering features such as temperature control and modulating burners can enhance the unit's performance and efficiency.
https://www.youtube.com/watch?v=OZOvmn3hU3Y
Choosing the right tankless water heater requires careful evaluation of these factors to ensure optimal performance, energy efficiency, and satisfaction with your investment. By considering fuel type, size, capacity, features, temperature control, and modulating burners, you can select a tankless water heater that meets the unique hot water needs of your household.
Best Overall: Ecosmart ECO 27 Electric Tankless Water Heater
The Ecosmart ECO 27 Electric Tankless Water Heater is our top pick for its impressive flow rate of 5.27 GPM and limited lifetime warranty. This energy-efficient electric tankless water heater is designed to provide hot water on demand, eliminating the need for a storage tank. With its compact size, it saves valuable space in your home while delivering a continuous supply of hot water.
One of the standout features of the Ecosmart ECO 27 is its patented self-modulating technology. This innovative technology ensures that the heater uses only the necessary amount of energy to heat the water, resulting in maximum efficiency and energy savings. Additionally, the digital thermostatic temperature control allows you to set the desired water temperature with precision, ensuring optimal comfort.
With its reliable performance and impressive warranty, the Ecosmart ECO 27 Electric Tankless Water Heater is a top choice for homeowners looking for a reliable and efficient hot water solution. Whether you have a small or large household, this unit can meet your hot water needs while saving you money on energy bills.
Key Features of the Ecosmart ECO 27 Electric Tankless Water Heater:
- Impressive flow rate of 5.27 GPM
- Limited lifetime warranty for peace of mind
- Patented self-modulating technology for energy efficiency
- Digital thermostatic temperature control for precise settings
- Compact size for space-saving installation
Best Budget: Ecosmart ECO 11 Electric Tankless Water Heater
When it comes to finding a budget-friendly option for your hot water needs, the Ecosmart ECO 11 Electric Tankless Water Heater is an excellent choice. With its compact size and affordable price, it offers great value without compromising performance.
The Ecosmart ECO 11 has a flow rate of up to 3.1 gallons per minute (GPM), making it suitable for smaller families or point-of-use applications such as a single sink or shower. Its compact size allows for easy installation and saves valuable space in your home.
This electric tankless water heater offers easy temperature control with a single knob, allowing you to adjust the water temperature to your preference. It operates on 120-volt power, making it compatible with most residential electrical systems.
In summary, if you're looking for a budget-friendly option that doesn't compromise on quality, the Ecosmart ECO 11 Electric Tankless Water Heater is an excellent choice. Its compact size, affordable price, and reliable performance make it a top contender for those looking to upgrade their water heating system without breaking the bank.
https://www.youtube.com/watch?v=ugIK4ODyZ6o
Key Features:
- Budget-friendly option
- Compact size
- Flow rate of up to 3.1 GPM
- Easy temperature control with a single knob
- Operates on 120-volt power
Best Splurge: Rinnai RU199iN Super High-Efficiency Plus
When it comes to high-end tankless water heaters, the Rinnai RU199iN Super High-Efficiency Plus stands out as the best splurge option. With its impressive features and top-notch performance, this unit is perfect for those who value quality and durability.
The Rinnai RU199iN offers a high flow rate of up to 11 GPM, ensuring a steady supply of hot water even in large households. Its powerful 199,000 BTU guarantees fast and efficient heating, allowing you to enjoy hot water whenever you need it.
In addition to its exceptional performance, the Rinnai RU199iN comes with a 15-year warranty, providing you with peace of mind and ensuring long-term reliability. Furthermore, this tankless water heater operates quietly, eliminating any disruptive noise that can sometimes be associated with other models.
Whether you have a larger household or simply want to invest in a high-quality tankless water heater, the Rinnai RU199iN Super High-Efficiency Plus is the ideal choice. Its impressive flow rate, 15-year warranty, and super quiet operation make it a top contender for those looking for the best tankless water heater on the market.
Key Features:
- High flow rate of up to 11 GPM
- Powerful 199,000 BTU for fast and efficient heating
- 15-year warranty for long-term reliability
- Super quiet operation for a peaceful living environment
Best Non-Condensing: Rheem RETEX-36 Performance Tankless Electric
The Rheem RETEX-36 Performance Tankless Electric is our top pick for the best non-condensing tankless water heater. It offers vent-free installation, making it a versatile option for any home. With an impressive flow rate of 7.03 gallons per minute (GPM), it can supply hot water for multiple fixtures simultaneously.
This tankless water heater also boasts an impressive temperature range, allowing you to set the desired hot water temperature with precision. Whether you need a warm shower or hot water for a dishwasher, the Rheem RETEX-36 has you covered.
Additionally, this unit comes with a five-year warranty, giving you peace of mind knowing that it is built to last. With its exceptional performance and durability, the Rheem RETEX-36 Performance Tankless Electric is a reliable choice for providing hot water on demand in your home.
Features Specifications Flow Rate 7.03 GPM Installation Type Vent-Free Temperature Range 80°F - 140°F Warranty 5 years
Maximum Flow Rate and Incoming Water Temperature for Tankless Water Heaters
When choosing a tankless water heater, it is important to consider the maximum flow rate and the incoming water temperature. These two factors play a crucial role in determining the performance and suitability of the unit for your specific needs.
The flow rate of a tankless water heater refers to the amount of hot water it can provide per minute. This is typically measured in gallons per minute (GPM). It is essential to consider your household's hot water demands when selecting a unit with an appropriate flow rate. A higher flow rate is ideal for larger households or applications that require hot water for multiple fixtures simultaneously, such as showers and laundry.
The incoming water temperature also affects the performance of a tankless water heater. The colder the incoming water, the more energy the unit needs to heat it to the desired temperature. Therefore, it is crucial to consider the average winter temperature in your area to ensure that the unit can sufficiently heat the water to meet your needs.
Incoming Water Temperature (°F) Maximum Flow Rate (GPM) 40 5.0 45 4.5 50 4.0 55 3.5 60 3.0 65 2.5 70 2.0
Determining Your Requirements
To determine the maximum flow rate and incoming water temperature suitable for your household, consider the number of hot water fixtures that may be in use simultaneously and the desired comfort level. For instance, if you anticipate using a shower and a dishwasher at the same time, you would need a tankless water heater with a higher flow rate. Additionally, if you prefer hotter water, you may need a unit capable of heating colder incoming water to a higher temperature.
By carefully considering the maximum flow rate and incoming water temperature, you can ensure that the tankless water heater you choose will meet your hot water needs effectively and efficiently.
https://www.youtube.com/watch?v=I26HoXC0RUk
Stiebel Eltron DHC Series Tankless Water Heaters
The Stiebel Eltron DHC series tankless water heaters are designed specifically for point-of-use applications, offering a compact size and energy-efficient performance. These units are perfect for supplying hot water to individual fixtures, such as sinks or showers, in residential or commercial settings. With their innovative technology and reliable operation, the Stiebel Eltron DHC series tankless water heaters are a popular choice for those seeking a convenient and efficient hot water solution.
One of the key advantages of the Stiebel Eltron DHC series is its compact size. These tankless water heaters are designed to fit easily into tight spaces like under sinks or in small closets. This makes them ideal for installations where space is limited. Despite their small size, the DHC series units deliver consistent and reliable hot water, ensuring a comfortable experience for users.
Another notable feature of the Stiebel Eltron DHC series tankless water heaters is their energy efficiency. These units are engineered to heat water only when it is needed, eliminating standby energy losses associated with traditional water heaters. By heating the water instantly, the DHC series ensures that energy is only consumed when necessary, resulting in significant energy savings over time. This not only benefits the environment but also helps reduce utility bills for homeowners or businesses.
Table: Comparison of Stiebel Eltron DHC Series Tankless Water Heaters
Model Point-of-Use Capacity Dimensions (H x W x D) Energy Efficiency Stiebel Eltron DHC 3-1 Single Sink 6.5" x 7.9" x 3.2" 99% Stiebel Eltron DHC 4-2 Single Sink or Shower 14.1" x 7.9" x 3.2" 99% Stiebel Eltron DHC 6-2 Multiple Sinks or Shower 17.8" x 7.9" x 3.2" 99%
Disclaimer: The data provided in the table is for informational purposes only and may vary based on specific models and configurations. Please refer to the product specifications for accurate and up-to-date information.
The Stiebel Eltron DHC series tankless water heaters offer a practical and efficient solution for point-of-use hot water needs. With their compact size, energy efficiency, and reliable performance, these units are a popular choice in residential and commercial applications. Whether it's for a single sink or multiple fixtures, the Stiebel Eltron DHC series has the right model to meet your specific requirements.
Stiebel Eltron DHC 3-1 Classic Tankless Water Heater
When it comes to compact size and energy efficiency, the Stiebel Eltron DHC 3-1 Classic Tankless Water Heater is a top choice. This unit is specifically designed to fit directly under a sink or in a nearby cupboard or closet, making it ideal for point-of-use applications. With its small footprint, it saves valuable space while still providing hot water almost instantly.
One of the key features of the Stiebel Eltron DHC 3-1 Classic is its energy efficiency. It operates on 120-volt power, making it more energy efficient compared to other models. This means you can enjoy hot water without the worry of high energy bills. Additionally, this unit comes with a 3-year warranty, giving you peace of mind and ensuring its reliability.
With its compact size, energy efficiency, and warranty, the Stiebel Eltron DHC 3-1 Classic Tankless Water Heater is a great choice for those looking for a reliable and efficient solution for their hot water needs. Whether you need it for a small apartment, an office space, or a remote location, this unit delivers hot water on demand while saving space and energy.
Key Features of the Stiebel Eltron DHC 3-1 Classic:
- Compact size for easy installation under sinks or in tight spaces
- Operates on 120-volt power for energy efficiency
- Provides hot water almost instantly
- Comes with a 3-year warranty for added peace of mind
Specifications Stiebel Eltron DHC 3-1 Classic Voltage 120V Amperage 25A Power 3.0 kW Flow Rate (at 40°F temperature rise) 0.5 GPM Flow Rate (at 55°F temperature rise) 0.4 GPM Flow Rate (at 60°F temperature rise) 0.3 GPM Dimensions 6.5" x 10.875" x 3"
Rinnai Indoor Tankless Hot Water Heater
The Rinnai indoor tankless hot water heater is a gas-powered unit with a high flow rate and temperature lock feature. It is designed to provide efficient and continuous hot water for your household needs.
One of the standout features of the Rinnai indoor tankless hot water heater is its high flow rate. With a maximum flow rate of 7.5 gallons per minute (GPM), this unit can easily meet the hot water demands of larger households, ensuring a steady supply of hot water for multiple faucets and appliances simultaneously.
Additionally, the temperature lock feature allows you to set a specific water temperature and prevent any accidental changes. This ensures consistent comfort and safety, especially if you have young children or elderly family members using the hot water.
Key Features:
- Gas-powered unit for efficient and cost-effective operation
- High flow rate of 7.5 GPM for continuous hot water supply
- Temperature lock feature for consistent water temperature
Whether you have a large family or simply want a reliable and efficient hot water solution, the Rinnai indoor tankless hot water heater is an excellent choice. With its gas-powered design, high flow rate, and temperature lock feature, you can enjoy the luxury of hot water whenever you need it.
Feature Description Power Source Gas-powered Flow Rate 7.5 GPM Temperature Lock Yes
Rinnai Outdoor Tankless Hot Water Heater
The Rinnai outdoor tankless water heater is a propane-powered unit designed for outdoor installation. It offers a flow rate of 5.3 GPM, making it suitable for households with moderate hot water demands. This lightweight unit is easy to install and provides hot water on demand, ensuring that you never run out of hot water during your outdoor activities.
One of the standout features of the Rinnai outdoor tankless water heater is its Wi-Fi technology. With this innovative feature, you can conveniently control and monitor your water heater from your smartphone or tablet. Whether you need to adjust the temperature or check the status of your unit, you can do it all with just a few taps on your device.
The propane-powered design of the Rinnai outdoor tankless water heater ensures efficient and reliable performance. Propane is a clean-burning fuel that produces lower emissions compared to other fuel types. This not only reduces your carbon footprint but also helps you save on energy costs. Additionally, the lightweight design of this unit makes it easy to transport and install in various outdoor locations, such as cabins, RVs, or camping sites.
Key Features of the Rinnai Outdoor Tankless Hot Water Heater:
- Propane-powered for efficient performance
- 5.3 GPM flow rate for moderate hot water demands
- Wi-Fi technology for convenient control and monitoring
- Lightweight design for easy installation and portability
Specifications of the Rinnai Outdoor Tankless Hot Water Heater:
Flow Rate Fuel Type Dimensions (H x W x D) Weight 5.3 GPM Propane 27.4" x 18.5" x 10.1" 39.6 lbs
EcoSmart ECO 18 Electric Tankless Water Heater
If you're looking for an energy-efficient solution to your hot water needs, the EcoSmart ECO 18 Electric Tankless Water Heater is an excellent choice. With this wall-mounted design, you can save both space and energy, making it a practical and cost-effective option for your home.
One of the key advantages of the EcoSmart ECO 18 is its ability to deliver hot water on demand, eliminating the need for a storage tank and reducing standby energy losses. This not only saves you money on your utility bills but also helps to conserve energy and reduce your environmental footprint.
With its compact size, the EcoSmart ECO 18 is perfect for point-of-use installation, providing hot water right where you need it. And with its precise temperature control, you can easily adjust the water temperature to your desired level, ensuring maximum comfort and convenience.
Key FeaturesBenefitsWall-mounted design Saves space and provides easy installation Energy-efficient operation Saves up to 60% on water heating costs Point-of-use installation Provides hot water right where you need it Precise temperature control Allows you to adjust the water temperature to your liking Compact size Fits well in small spaces
Conclusion
In conclusion, tankless water heaters are a fantastic investment for any homeowner looking to improve energy efficiency and enjoy hot water on demand. These compact units eliminate the need for a bulky storage tank and reduce standby energy losses, resulting in lower utility bills.
After careful consideration, we have identified several top choices in the market. The Ecosmart ECO 27 Electric Tankless Water Heater stands out for its impressive flow rate and limited lifetime warranty. If you're on a budget, the Ecosmart ECO 11 Electric Tankless Water Heater offers a compact size without compromising performance.
For those willing to splurge on a premium option, the Rinnai RU199iN Super High-Efficiency Plus is an excellent choice with its high flow rate, 15-year warranty, and super quiet operation. On the other hand, the Rheem RETEX-36 Performance Tankless Electric is the best non-condensing option, featuring vent-free installation and an impressive temperature range.
Consider your hot water demands, specific requirements, and budget when selecting the best tankless water heater for your home. Whether you choose the Ecosmart, Rinnai, or Rheem models, you can rest assured that you'll enjoy the benefits of energy efficiency, compact size, and instant hot water. Invest in a tankless water heater today and experience the convenience and savings it brings.
FAQ
What are the benefits of a tankless water heater?
Tankless water heaters provide hot water on demand, are more energy-efficient and compact than tank models, and eliminate standby energy losses.
What is the top pick for a tankless water heater with an impressive flow rate and warranty?
The Ecosmart ECO 27 Electric Tankless Water Heater is a top pick for its impressive flow rate of 5.27 GPM and limited lifetime warranty.
What is the budget-friendly option for a tankless water heater?
The Ecosmart ECO 11 Electric Tankless Water Heater is a budget-friendly option with a compact size.
What is the premium choice for a tankless water heater with a long warranty and quiet operation?
The Rinnai RU199iN Super High-Efficiency Plus is a premium choice with a 15-year warranty and super quiet operation.
What is the best non-condensing option for a tankless water heater with vent-free installation and an impressive temperature range?
The Rheem RETEX-36 Performance Tankless Electric is the best non-condensing option with vent-free installation and an impressive temperature range.
How do tankless water heaters work?
Tankless water heaters heat water as it passes through the unit, providing hot water on demand. They are more energy-efficient and compact compared to traditional tank water heaters.
What is the difference between tankless and regular water heaters?
Regular water heaters store and constantly heat a large volume of water in a tank, while tankless water heaters only heat water as necessary. Tankless units have a lower flow rate, making them suitable for smaller families with lower hot water demands.
What factors should I consider when choosing a tankless water heater?
Consider the fuel type, size, and capacity based on your household's hot water needs. Other important factors to consider are features such as temperature control and modulating burners for optimal performance.
What is the maximum flow rate and incoming water temperature for tankless water heaters?
The flow rate and incoming water temperature are important factors to consider when choosing a tankless water heater. The table provided shows the maximum flow rate at different incoming water temperatures.
What are the top choices for the Stiebel Eltron DHC series tankless water heaters?
The Stiebel Eltron DHC 3-1 Classic Tankless Water Heater is a well-built, economical, and ultra-compact option for basic point-of-use applications.
