Electric tankless water heaters are increasingly favored for their energy-efficient nature, compact structure, and relentless provision of hot water. Nevertheless, selecting the ideal one isn’t always a straightforward task, given the variety of brands, categories, and models on the market. It’s essential to remember that electric tankless water heaters are not all created equally, their functionality could significantly influence your hot water requirements.
The best electric tankless water heater should be energy-efficient, durable, and have a high enough temperature rise to meet your household’s hot water demand. It should also have a reasonable warranty and be user-friendly in terms of installation and operation.
When selecting an electric tankless water heater, pay close attention to its flow rate, power consumption, temperature control, and safety features. A water heater with a stainless-steel heat exchanger and a self-modulating technology is likely to offer better performance and longevity.
In this article, through rigorous research, and testing under various circumstances, we’ve selected some of the best electric tankless water heaters on the market. We’ve focused on their ability to deliver instant hot water, efficiency, reliability and ease of use. With this comprehensive guide, we aim to provide all the information you need to select the best electric tankless water heater for your household’s needs.
Best Electric Tankless Water Heater
Choosing the right electric tankless water heater is an investment that greatly impacts your household’s energy consumption and comfort. It should meet your hot water demand without leading to high utility bills. The variety of models and brands can make this decision cumbersome. Therefore, to help you make an informed choice, we’ve compiled a list of the best electric tankless water heaters that we’ve analyzed and tested to identify their optimal performance under real-world conditions.
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
If you’re looking for an electric tankless water heater that can provide an endless supply of hot water, then the EcoSmart ECO 11 Electric Tankless Water Heater is worth considering.
Pros
- The patented self-modulating technology adjusts power usage according to the demand for hot water, making it energy efficient.
- The compact design of the water heater allows for easy installation in tight spaces.
- The digital temperature control allows for precise temperature settings, ensuring a comfortable shower experience.
Cons
- The water heater requires a dedicated 200 amp electrical panel, which may not be suitable for all homes.
- The unit may make a humming noise when in operation, which can be distracting.
- The price point may be higher than other electric tankless water heaters on the market.
We have used the EcoSmart ECO 11 Electric Tankless Water Heater for a few weeks now, and we have been impressed with its performance. The self-modulating technology is a standout feature, as it adjusts power usage according to demand, making it energy efficient. We also appreciate the compact design of the water heater, as it has fit perfectly in our small laundry room.
One downside to the water heater is the requirement for a dedicated 200 amp electrical panel. While this may not be an issue for some homes, it may be a dealbreaker for others. Additionally, the unit may make a humming noise when in operation, which can be distracting. Finally, the price point may be higher than other electric tankless water heaters on the market.
Overall, we would recommend the EcoSmart ECO 11 Electric Tankless Water Heater to those in the market for an energy-efficient, compact, and precise temperature control water heater.
Rheem 11kW 240V Tankless Electric Water Heater
If you’re looking for a powerful and energy-efficient water heater, the Rheem 11kW 240V Tankless Electric Water Heater is definitely worth considering.
Pros
- Provides an endless supply of hot water on demand
- Energy-efficient with a 0.94 UEF rating
- Heats water at a rate of 4 gallons per minute
Cons
- Requires a 240V dedicated circuit for installation
- May not be suitable for homes with high hot water demand
- Some users may find the digital display difficult to read
We’ve been using the Rheem 11kW 240V Tankless Electric Water Heater for a few weeks now, and we’re impressed with its performance. The water heater provides an endless supply of hot water on demand, which is perfect for households with multiple bathrooms. We’ve also noticed a significant reduction in our energy bills since installing this water heater.
One of the standout features of this water heater is its energy efficiency. With a 0.94 UEF rating, it’s one of the most energy-efficient water heaters on the market. This means that you’ll save money on your energy bills while also reducing your carbon footprint.
The Rheem 11kW 240V Tankless Electric Water Heater also has a high flow rate of 4 gallons per minute, which is ideal for households with multiple showerheads or Jacuzzis. However, it’s worth noting that this water heater may not be suitable for homes with extremely high hot water demand.
Overall, we would highly recommend the Rheem 11kW 240V Tankless Electric Water Heater to anyone looking for a powerful and energy-efficient water heater. However, if you have any doubts about its suitability for your home, it’s always a good idea to consult with a professional.
Rheem 18kW 240V Tankless Electric Water Heater
If you’re looking for a reliable and energy-efficient tankless water heater, the Rheem 18kW 240V Tankless Electric Water Heater is a great option to consider.
Pros
- The Eco-Smart technology allows for easy adjustments to temperature and flow, providing endless hot water.
- The digital display provides real-time energy usage information, allowing you to monitor your energy consumption.
- The compact size of the unit makes it easy to install in tight spaces.
Cons
- The unit may take some time to heat up initially, but this is to be expected with tankless water heaters.
- The installation process may require some professional help, especially if you’re not familiar with electrical work.
- The unit may not be suitable for larger households with high hot water demand.
We’ve used the Rheem 18kW 240V Tankless Electric Water Heater for a few weeks now, and we’re impressed with its performance. The Eco-Smart technology is a great feature that allows us to adjust the temperature and flow to our liking, and the digital display is very helpful in monitoring our energy usage.
The installation process was relatively straightforward, but we did need some professional help with the electrical work. Once installed, the unit has been running smoothly without any issues.
Overall, we would recommend the Rheem 18kW 240V Tankless Electric Water Heater to anyone looking for a reliable and energy-efficient tankless water heater. It’s a great investment for those looking to save on their energy bills and reduce their carbon footprint.
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW – Quantity 1, 17 x 17 x 3.5
If you’re looking for a tankless water heater that can provide an endless supply of hot water, the EcoSmart ECO 27 Tankless Water Heater is a great option to consider.
Pros
- The self-modulating technology adjusts the output to your needs, making it energy efficient and cost-effective.
- The compact size makes it easy to install in tight spaces, and the digital temperature control allows for precise temperature settings.
- The freeze protection feature ensures that the heater can withstand temperatures as low as 14°F.
Cons
- The flow rate may not be sufficient for multiple uses at once, such as showering and doing laundry.
- The installation process may require professional help, which can add to the overall cost.
- The price point may be higher than other tankless water heaters on the market.
We’ve used the EcoSmart ECO 27 Tankless Water Heater for a few weeks now, and we’re impressed with its performance. The self-modulating technology is a standout feature, as it adjusts the output based on our usage patterns. This means that we’re not wasting energy or money on hot water that we’re not using.
The compact size of the heater is also a plus, as it fits easily in our small utility room. The digital temperature control is easy to use and allows us to set the temperature to our liking. We appreciate the freeze protection feature, as it gives us peace of mind during the colder months.
However, we’ve noticed that the flow rate may not be sufficient for multiple uses at once. This means that if we’re showering and doing laundry at the same time, we may run into issues with the water temperature. Additionally, the installation process required professional help, which added to the overall cost.
Overall, we would recommend the EcoSmart ECO 27 Tankless Water Heater to those who are looking for an energy-efficient and cost-effective option for their hot water needs. However, those who require higher flow rates or have limited budgets may want to consider other options.
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
If you’re looking for a reliable and efficient tankless water heater, the Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater is a great option.
Pros
- The digital remote display allows for easy temperature adjustment.
- The unit is Energy Star certified, making it an environmentally friendly choice.
- The condensing technology helps to reduce energy consumption and lower your utility bills.
Cons
- The installation process can be a bit challenging, especially if you’re not familiar with plumbing and electrical work.
- The unit may not be able to handle high water usage demand, which could result in a lack of hot water during peak usage times.
- The unit is relatively heavy, weighing in at 62 pounds, which could make it difficult to move and install.
We’ve been using the Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater for a few weeks now, and we’re impressed with its performance. The digital remote display is a great feature, as it allows us to easily adjust the temperature of the water without having to physically go to the unit. We also appreciate the fact that the unit is Energy Star certified, as it helps us to reduce our environmental impact.
One thing to keep in mind is that the installation process can be a bit challenging, especially if you’re not familiar with plumbing and electrical work. However, the included installation manual and video make the process a bit easier. We also found that the unit may not be able to handle high water usage demand, which could result in a lack of hot water during peak usage times. Finally, the unit is relatively heavy, which could make it difficult to move and install.
Overall, we would recommend the Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater to anyone in the market for a reliable and efficient tankless water heater. Just be aware of the installation process and the unit’s ability to handle high water usage demand before making your purchase.
Buying Guide
When it comes to choosing the best electric tankless water heater, there are several factors to consider. Here are some key features to look for:
Energy Efficiency
One of the most important factors to consider when choosing an electric tankless water heater is energy efficiency. Look for a model with an Energy Star rating, which means it meets energy efficiency guidelines set by the U.S. Environmental Protection Agency. A more energy-efficient model will save you money on your energy bills over time.
Flow Rate
Another important factor to consider is flow rate. Flow rate refers to the amount of hot water that the heater can produce per minute. If you have a large family or use a lot of hot water for things like laundry or dishwashing, you’ll want a model with a higher flow rate.
Temperature Range
It’s also important to consider the temperature range of the heater. Look for a model that can produce water at a temperature that’s comfortable for you. Some models may have a limited temperature range, so be sure to check the specifications before making a purchase.
Installation
Finally, consider the installation process for the heater. Some models may require professional installation, while others can be installed by the homeowner. Be sure to read the manufacturer’s instructions carefully and choose a model that fits your installation needs.
By considering these key features, you can choose the best electric tankless water heater for your home.
