Are you tired of running out of hot water at the most inconvenient times? If so, switching to a tankless electric hot water heater could be the perfect solution for your home. Unlike traditional water heaters that store hot water in a tank, tankless models heat water on demand, ensuring that you have a continuous supply whenever you need it. With their energy-efficient design and compact size, these systems are not only practical but also eco-friendly, making them an ideal choice for modern households looking to save space and reduce energy costs.
In this article, we will explore the best tankless electric hot water heaters available on the market today, providing you with detailed reviews and a comprehensive buying guide. Whether you’re looking for high efficiency, fast recovery rates, or smart technology features, we’ve got you covered. Join us as we delve into the top options to help you make an informed decision and ensure your home always has hot water available when you need it most.
Before moving on to our review of the best tankless electric hot water heaters, let’s first take a look at some related products available on Amazon:
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Overview of Tankless Electric Hot Water Heaters
Tankless electric hot water heaters, also known as on-demand water heaters, provide a continuous supply of hot water by heating water directly as it flows through the unit. Unlike traditional water heaters that store a finite amount of hot water in a tank, tankless systems eliminate the need for a reservoir, allowing for a more efficient and space-saving design. This makes them an ideal choice for homes with limited space or for those looking to reduce energy consumption.
One of the primary advantages of tankless electric hot water heaters is their operational efficiency. Since they only heat water when it is needed, they can significantly lower energy bills compared to conventional tank heaters that must continuously maintain a large volume of hot water. Additionally, these units often have longer lifespans, lasting up to 20 years or more with proper maintenance, making them a worthy investment for homeowners.
Another important consideration is the flow rate, which determines how much hot water the heater can provide at any given moment. Most modern tankless electric units are designed to meet the hot water demands of multiple fixtures simultaneously, making them suitable for households with high hot water consumption. However, it’s essential to choose the right unit based on your specific needs to ensure optimal performance.
When evaluating your options for the best tankless electric hot water heaters, consider factors such as energy efficiency ratings, installation requirements, and maintenance needs. With advancements in technology, many brands now offer smart features, such as remote controls and digital temperature settings, that enhance user convenience and energy management. By selecting the right model, homeowners can enjoy a consistent supply of hot water while maximizing energy savings.
5 Best Tankless Electric Hot Water Heaters
1. EcoSmart ECO 27 Tankless Electric Water Heater
The EcoSmart ECO 27 is a powerful and efficient tankless electric water heater that is perfect for medium to large households. With a maximum output of 27 kW, it can provide hot water for multiple points of use simultaneously. The digital temperature control allows you to set the desired temperature between 80°F to 140°F, ensuring a consistent hot water supply tailored to your preferences. Additionally, the self-modulating technology optimizes energy consumption, which can lead to reduced electricity bills compared to traditional tank systems.
Installation is straightforward, thanks to its compact design and lightweight construction, making it easy to fit into tight spaces. Users appreciate the durable construction and the lifetime warranty on the heating element, which demonstrates the manufacturer’s confidence in their product. Overall, the EcoSmart ECO 27 is a reliable choice for those looking to enjoy endless hot water while saving energy.
2. Rheem RTE 13 Residential Electric Tankless Water Heater
The Rheem RTE 13 is a compact electric tankless water heater designed for residential use, delivering a maximum flow rate of 4.4 gallons per minute at a 35°F rise in temperature. This makes it an excellent choice for single-point use applications, such as kitchen sinks or bathrooms. Its lightweight, compact design ensures easy installation in tight spaces, allowing homeowners to free up valuable storage space. The durable build further assures users of its long-term performance.
Users have praised the Rheem RTE 13 for its reliability and efficient heating capabilities. The unit features a patented design that minimizes heat loss, maximizing energy efficiency and lowering operational costs. Overall, it stands out as a practical choice for residents needing reliable hot water in a small footprint.
3. Stiebel Eltron Tempra Plus 24 kW Tankless Water Heater
The Stiebel Eltron Tempra Plus 24 kW is known for its exceptional performance and efficiency in providing on-demand hot water. It features advanced technology that allows for consistent water temperature, even when multiple outlets are used simultaneously. This model is especially favored in larger homes due to its impressive flow rate, making it suitable for multiple hot water needs without sacrificing performance. Additionally, the unit’s digital temperature control adds precision, allowing users to set their desired water temperature easily.
Installation of the Tempra Plus is typically straightforward, and its sleek design allows it to fit seamlessly into various settings. Users report high satisfaction levels, citing its powerful heating capability and energy efficiency, which can significantly reduce utility bills over time. For those seeking a reliable and advanced tankless electric water heater, the Stiebel Eltron Tempra Plus is a top-tier choice.
4. Eccotemp FVI12-LP Propane Tankless Water Heater
The Eccotemp FVI12-LP is an excellent propane option for those who prefer a tankless water heating system. This model heats water on demand with a maximum output of 3.6 gallons per minute, making it suitable for small to medium-sized homes. Its ability to connect directly to propane means users in areas without natural gas can still enjoy efficient hot water. The compact size allows for flexible installation options, including indoors and outdoors, which enhances convenience.
Equipped with a digital thermostat and a flow sensor, the Eccotemp FVI12-LP ensures precise temperature control and a steady hot water supply. Users have noted its reliability and trouble-free operation, along with easy maintenance. Overall, this propane tankless water heater stands as a solid option for customers who want energy-efficient heating with the added benefit of portability.
5. Bosch Tronic 3000 Series ETW 25 Electric Tankless Water Heater
The Bosch Tronic 3000 Series ETW 25 is a robust electric tankless water heater that excels in delivering hot water for residential needs. With an input of 24kW, it offers an impressive flow rate suitable for homes with several outlets needing hot water simultaneously. Its space-saving design is ideal for apartments or homes where location and storage can be a concern. The unit is engineered for efficiency, which can help reduce energy costs.
Installation is made simple with the compact design, and the reliable performance has garnered positive reviews from users. Many appreciate the consistent hot water supply and the low maintenance required. Overall, the Bosch Tronic 3000 Series ETW 25 is a commendable choice for those who demand efficiency, reliability, and convenience in their hot water solutions.
Why Do People Need to Buy Tankless Electric Hot Water Heaters?
As households continue to seek energy-efficient solutions for everyday needs, the demand for tankless electric hot water heaters has surged. These units are designed to provide hot water on demand, eliminating the need for bulky and inefficient storage tanks that can take up significant space and require energy to maintain a constant temperature. With the growing focus on sustainable living and reducing utility bills, more individuals are making the switch to these compact systems.
One of the main advantages of tankless electric hot water heaters is their efficiency. Traditional water heaters continuously heat and store large volumes of water, leading to energy wastage during standby times. In contrast, tankless systems heat water only when it is necessary, which can significantly reduce energy consumption. This results in lower monthly utility bills and a reduced environmental footprint, appealing to homeowners who wish to minimize their impact on the planet.
Furthermore, the best tankless electric hot water heaters offer a virtually endless supply of hot water, which is particularly beneficial for larger families or households with multiple bathrooms. With a tankless system, multiple outlets can be used simultaneously without the risk of running out of hot water. This convenience adds to the overall comfort and satisfaction of residents, making these systems increasingly popular in modern home design.
Additionally, tankless electric hot water heaters are generally more durable than their traditional counterparts. With a lifespan of 20 years or more, they often require less frequent replacement, which can lead to long-term savings. Maintenance is typically straightforward, making it easy for homeowners to keep their systems running efficiently. As awareness of the benefits of such systems grows, so too does the recognition that investing in a tankless electric hot water heater is a wise choice for both practicality and sustainability.
Energy Efficiency and Cost Savings of Tankless Electric Hot Water Heaters
Tankless electric hot water heaters are known for their energy efficiency, offering significant savings on utility bills compared to traditional tank-style heaters. Unlike conventional systems that constantly heat water to maintain a set temperature, tankless units heat water on demand, meaning they only use energy when hot water is needed. This can result in lower energy consumption, especially for households that use hot water sporadically throughout the day.
In terms of cost savings, the initial investment in a tankless heater may be higher, but the long-term benefits often make it worthwhile. Many users report reductions in their monthly energy bills, which can offset the upfront costs over time. Additionally, these systems typically have longer lifespans than traditional heaters, reducing the frequency of replacements and further contributing to savings.
It’s also worthwhile to consider the environmental impact. With growing concerns about energy consumption and sustainability, opting for an energy-efficient appliance like a tankless electric heater benefits not only your wallet but also the planet. The reduced energy usage translates to a smaller carbon footprint, an important factor for many consumers today.
Installation Considerations for Tankless Electric Hot Water Heaters
Installing a tankless electric hot water heater involves several key considerations that can impact both performance and efficiency. One of the most critical factors is the electrical capacity of your home. These units typically require significant electrical input and adequate circuit breakers. Homeowners should inspect their existing electrical system to determine if it can accommodate the added load of a tankless system or whether upgrades are necessary.
Another consideration is the placement of the unit. Tankless heaters can be installed in various locations, including basements, laundry rooms, or closets. However, access to existing plumbing and electrical connections can affect installation ease and costs. It’s crucial to consult with a professional plumber or electrician to evaluate the best placement that optimizes both space and functionality.
Additionally, installation can be influenced by local building codes and regulations. Before purchasing and setting up a tankless heater, it’s advisable to check with your local authorities to ensure compliance with all necessary standards. Paying attention to these factors not only simplifies the installation process but also ensures that the unit operates efficiently and safely from the start.
Maintenance Tips to Extend the Life of Your Tankless Electric Hot Water Heater
Maintaining your tankless electric hot water heater is essential to ensure its longevity and optimal performance. Regular maintenance can help prevent common issues such as mineral buildup, which can reduce efficiency and shorten the lifespan of the unit. It’s recommended to flush the system at least once a year to remove any accumulated minerals, especially if you live in an area with hard water. This process involves running a descaling solution through the system to clear out any scale that has collected over time.
Another important aspect of maintenance is checking the filters and replacing them as needed. Some tankless systems are equipped with inlet filters that help prevent debris from entering the unit and can become clogged over time. Keeping these filters clean is vital to maintaining the efficiency of the heater and avoiding unnecessary repairs.
Finally, it’s beneficial to observe the overall performance of your hot water heater regularly. Monitoring for issues such as inconsistent water temperature, reduced flow, or unusual noises can alert you to potential problems before they escalate. If any issues arise, consulting a professional to diagnose and service the unit promptly can help ensure a longer lifespan and better efficiency.
Comparative Advantages Over Traditional Water Heaters
Tankless electric hot water heaters provide several advantages over traditional tank-style units that can make them a preferable choice for many consumers. One major advantage is their compact size. Tankless models are significantly smaller and can be installed in tighter spaces, freeing up valuable storage areas in homes. This design flexibility is especially beneficial for apartments and smaller residences.
Furthermore, tankless systems offer an endless supply of hot water, a significant benefit for larger households or those with high hot water demands. Traditional heaters have a finite amount of hot water available, which could lead to situations where multiple users are waiting for their turn. With a tankless system, you can run showers, wash dishes, and do laundry simultaneously without worrying about running out of hot water.
Energy efficiency is another critical differentiator. While traditional heaters must constantly keep water warm, tankless units eliminate standby heat loss. This means homeowners can enjoy lower energy bills and contribute to a more sustainable energy environment. The benefits of both space-saving design and operational efficiency make tankless electric hot water heaters a compelling option for modern-day living.
Buying Guide for the Best Tankless Electric Hot Water Heaters
When it comes to finding the best tankless electric hot water heaters, there are several factors to consider that can influence your decision. These compact, efficient systems provide continuous hot water on demand, making them an attractive option for homes of all sizes. Understanding what to look for can help ensure you choose the right model to meet your needs while maximizing your energy efficiency.
1. Flow Rate
The flow rate is a critical factor when selecting a tankless electric hot water heater. It is measured in gallons per minute (GPM) and indicates the amount of hot water the heater can provide simultaneously. Consider how many fixtures are likely to use hot water at the same time in your home, such as showers, sinks, and washing machines. This will help you determine the required flow rate for your household needs.
When evaluating flow rates, remember that different activities consume different amounts of hot water. For instance, a shower may require around 2.5 GPM, while a sink might use about 1.5 GPM. If you often run multiple hot water sources at once, opt for a model with a higher flow rate to ensure you won’t run out of hot water during peak usage times.
2. Temperature Rise
Temperature rise represents the difference between the incoming cold water temperature and the desired hot water temperature. This is particularly important for tankless electric systems, as they need to heat water instantly as it passes through. Check the manufacturer’s specifications for the temperature rise provided by various models, which can impact the efficiency of heating.
To determine what temperature rise you need, consider the average incoming water temperature in your area, as it can vary significantly by season. If you live in a region with colder winters, you might require more heating power to achieve the desired temperature for comfortable showers and hot water usage.
3. Energy Efficiency
Energy efficiency is an essential aspect of any appliance, especially water heaters, as they consume significant energy in a household. Look for models that have a high Energy Factor (EF) rating, as this measures a heater’s overall efficiency in converting energy into usable hot water. The higher the EF rating, the more efficient the water heater.
Many modern tankless electric hot water heaters include features such as advanced insulation and smart technology that help conserve energy. Investing in a highly efficient model can lead to reduced energy bills in the long run as you save money while enjoying continuous hot water on demand.
4. Installation Requirements
Installation requirements can vary significantly between models, impacting both your overall cost and convenience. Some heaters need specific electrical configurations or additional plumbing modifications, which can add to the installation complexity. Before purchasing a unit, assess the existing setup in your home and consult with a professional if necessary to understand what changes might be needed.
Moreover, consider the placement of the unit itself. Most tankless systems can be installed in various locations, such as under sinks or in closets. However, check the manufacturer’s guidelines to ensure you meet any required clearances and ventilation, particularly if it’s an exterior model. Understanding installation needs upfront can prevent surprises and delays.
5. Brand Reputation and Warranty
Brand reputation plays a crucial role when investing in home appliances, including tankless electric hot water heaters. Research the brands available in the market and read customer reviews to gauge reliability and performance. Established brands often have a history of producing high-quality products and providing excellent customer service, which can be invaluable if you encounter issues.
Equally important is the warranty offered with the heater. A longer warranty period can provide peace of mind and a sign of confidence from the manufacturer in their product’s durability. Always read the warranty details to understand what aspects are covered, including parts and labor, and look for models that are backed by substantial customer support.
6. Maintenance and Lifespan
Maintaining your tankless electric hot water heater is essential for ensuring optimal performance and longevity. Generally, tankless models require less maintenance compared to conventional heaters, but they still benefit from regular upkeep. Evaluate whether the unit you are considering is easy to maintain and if it includes features for self-diagnostics or notification of required maintenance.
In terms of lifespan, tankless electric hot water heaters can last significantly longer than traditional tank units, often exceeding 20 years with proper care. Assess the materials used in the heating elements and construction of the unit, as models with higher-quality components typically have better longevity. A longer lifespan means a better return on investment, allowing you to enjoy reliability and performance for years to come.
FAQ
What is a tankless electric hot water heater?
A tankless electric hot water heater, also known as an on-demand water heater, is a compact appliance that heats water directly as it passes through the unit, rather than storing it in a tank. This system allows for a continuous supply of hot water, which means you can enjoy hot showers or run multiple appliances at the same time without worrying about running out of hot water.
These units typically heat water using electric coils or elements, which are activated only when hot water is needed. This makes them more energy-efficient than traditional tank-style heaters because they do not have to maintain a reservoir of hot water, thus reducing energy consumption and costs.
What are the benefits of using a tankless electric hot water heater?
There are several advantages to using a tankless electric hot water heater. One of the primary benefits is their energy efficiency. Since they only heat water when needed, they can help you save on energy bills compared to traditional water heaters that continuously heat and store water.
Additionally, tankless electric heaters tend to occupy less space due to their compact design. They can be installed in small closets or mounted on walls, freeing up valuable space in your home. They also have a longer lifespan, typically lasting around 20 years compared to the 10-15 year lifespan of many traditional models.
How do I choose the right size tankless electric hot water heater for my needs?
Choosing the right size tankless electric hot water heater involves considering your household’s hot water needs. You will want to look at the flow rate, which is measured in gallons per minute (GPM). This measurement indicates how much hot water the unit can produce at any given time. For example, if you regularly use multiple hot water outlets simultaneously, you will need a unit that can handle the total GPM required by all taps.
It’s also important to consider the temperature rise, which is the difference between the incoming water temperature and the desired output temperature. You can calculate the appropriate GPM and temperature rise to determine the correct size and capacity for your tankless heater, ensuring that it meets your household usage without any issues.
Are there any drawbacks to tankless electric hot water heaters?
While tankless electric hot water heaters offer many benefits, they are not without their drawbacks. One common issue is the initial cost, which can be significantly higher than traditional tank heaters. Additionally, installation may require upgrades to your electrical system to support the heater’s wattage, which can add to the overall expense.
Another consideration is that tankless electric models may struggle to deliver an adequate supply of hot water during peak demand times. If multiple appliances or fixtures require hot water simultaneously, the system may fall short, leading to lukewarm water. This potential limitation needs to be weighed against your specific household needs when considering a purchase.
How much maintenance do tankless electric hot water heaters require?
Tankless electric hot water heaters require relatively low maintenance compared to traditional models. Regular maintenance usually involves descaling the system to prevent mineral buildup, especially in areas with hard water. This process helps maintain efficiency and prolongs the unit’s lifespan. It is recommended to perform this descaling annually or semi-annually based on your water quality.
Other maintenance tasks may include checking for leaks and ensuring that the air intake (if applicable) is clean. Most manufacturers will provide guidelines for servicing their units, and scheduling routine inspections can help preemptively address any potential issues, ensuring the heater operates optimally for years to come.
Can I install a tankless electric hot water heater myself?
While it is possible to install a tankless electric hot water heater on your own, it is highly recommended to hire a professional for the installation. This is primarily due to the electrical requirements and the potential need for adjustments to your existing plumbing. A qualified electrician can ensure that the unit operates safely and efficiently, adhering to local codes and regulations.
Attempting a DIY installation without the necessary experience could lead to issues such as improper wiring, water leaks, or even damage to the unit, which can be costly to repair. Thus, enlisting a professional can save you time and potential future headaches.
What is the average lifespan of a tankless electric hot water heater?
The average lifespan of a tankless electric hot water heater generally ranges from 15 to 20 years, depending on the model and usage conditions. Proper maintenance and care can also influence the longevity of the unit. For instance, regular descaling in hard water areas and routine inspections can significantly extend its lifespan, ensuring optimal performance over the years.
In comparison, traditional tank-style water heaters usually have a shorter lifespan of about 10 to 15 years. Investing in a tankless electric model not only provides an immediate return in energy efficiency but also results in a more durable heating solution for your hot water needs.
Verdict
Investing in the best tankless electric hot water heaters not only significantly improves your energy efficiency but also enhances your overall comfort at home. By opting for a model that suits your specific needs—whether it’s for a single bathroom or an entire household—you’ll enjoy endless hot water and lower energy bills. Our comprehensive reviews and buying guide aim to equip you with all the information necessary to make a well-informed decision that aligns with your requirements and budget.
As you navigate the myriad of options available, remember that the right choice can transform your daily routines and contribute to long-term savings. We encourage you to assess the features, sizes, and prices of the top models highlighted in this article. By selecting one of the best tankless electric hot water heaters, you’re not only making a prudent investment in your home but also embracing a more sustainable and efficient lifestyle for years to come.