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The Best Electric Tankless Water Heater: Your Ultimate Guide

Introduction

Looking for the best electric tankless water heater? You've come to the right place! With the rising demand for energy-efficient solutions, tankless water heaters are becoming increasingly popular among homeowners. They offer endless hot water, save space, and can significantly reduce your energy bills. In this comprehensive guide, we will explore the key features, benefits, and top choices available on the market. So, whether you're replacing an old unit or installing a new one, this article will help you make an informed decision.

What is an Electric Tankless Water Heater?

An electric tankless water heater, also known as an on-demand water heater, heats water only when you need it. Unlike traditional water heaters that store hot water in a tank, these units pass cold water through a heat exchanger, providing a continuous supply of hot water. This means you never run out of hot water during a shower or while washing dishes.

Benefits of Electric Tankless Water Heaters

1. Endless Hot Water: One of the main advantages of tankless water heaters is that they provide a continuous flow of hot water. Whether you have multiple showers running or are filling a bathtub, you won't run out of hot water.

2. Energy Efficiency: Tankless water heaters are known for their energy-saving capabilities. They heat water on demand, which means they don't waste energy keeping a tank full of hot water. This can lead to significant savings on your energy bills.

3. Space-Saving Design: Since electric tankless water heaters are compact and can be mounted on walls, they save valuable space in your home. This is especially beneficial for smaller homes or apartments.

4. Longer Lifespan: With proper maintenance, electric tankless water heaters can last up to 20 years, which is significantly longer than traditional tank heaters.

5. Environmental Impact: By using less energy, tankless water heaters are more environmentally friendly. They help reduce your carbon footprint and contribute to a greener planet.

Choosing the Right Size for Your Needs

When looking for the best electric tankless water heater, size matters. The right size ensures that you have enough hot water for your household needs without wasting energy.

How to Determine the Right Size

1. Flow Rate: Consider the number of fixtures you'll be using simultaneously. Each fixture requires a specific flow rate, measured in gallons per minute (GPM). For instance, a shower may require 2.5 GPM, while a faucet may need 1.5 GPM.

2. Temperature Rise: Determine the temperature rise you need based on your incoming water temperature and your desired output temperature. Most households require a rise of around 30-40 degrees Fahrenheit.

3. Calculate Your Needs: Multiply the total flow rates of the fixtures you'll be using at the same time. Match this total with the GPM rating of the tankless water heater you're considering.

Top Electric Tankless Water Heaters on the Market

Now that you understand the benefits and sizing, let's take a look at some of the best electric tankless water heaters available today.

1. EcoSmart ECO 27

The EcoSmart ECO 27 is a popular choice for its efficiency and performance. It offers a high flow rate of up to 6.5 GPM, making it ideal for larger households. With its advanced self-modulating technology, it adjusts energy consumption based on the hot water demand, ensuring maximum efficiency.

2. Stiebel Eltron Tempra Plus

If you're looking for consistent hot water, the Stiebel Eltron Tempra Plus is worth considering. It features a digital display for easy temperature control and can provide up to 7.0 GPM. Its sleek design and compact size make it a perfect fit for modern homes.

3. Rheem RTE 13

For smaller homes or apartments, the Rheem RTE 13 is an excellent option. It has a lower flow rate of 4.4 GPM, but it's perfect for point-of-use applications like sinks and showers. It's also incredibly easy to install and maintain.

4. Bosch Therm 820 ES

The Bosch Therm 820 ES is known for its reliability and durability. With a flow rate of 4.0 GPM, it’s suitable for smaller households. Its robust build and energy efficiency make it a great investment for long-term use.

Installation Considerations

Installing an electric tankless water heater can be straightforward, but there are some important factors to keep in mind.

Professional Installation vs. DIY

While some homeowners may choose to install the unit themselves, it’s often best to hire a professional. They can ensure that the installation complies with local codes and safety standards. This is particularly important if you are unfamiliar with electrical systems.

Electrical Requirements

Ensure that your home’s electrical system can handle the load of a tankless water heater. Most units require a dedicated circuit and may need a significant amount of amperage. Checking with an electrician beforehand can save you time and headaches later.

Maintenance Tips for Longevity

To keep your electric tankless water heater running efficiently, regular maintenance is key.

Descaling

Mineral buildup can affect the performance of your unit, especially in areas with hard water. Regular descaling every six months to a year can help maintain efficiency and prolong the life of your heater.

Filter Cleaning

Many electric tankless water heaters come with a water filter. Make sure to clean or replace this filter as recommended by the manufacturer to prevent clogs and ensure smooth operation.

Conclusion

In conclusion, the best electric tankless water heater can transform your home’s hot water system, providing you with endless hot water while saving space and energy. When choosing the right unit, consider factors like size, flow rate, and installation requirements. With the right maintenance, these heaters can serve your household efficiently for many years. Remember, whether you're looking at the EcoSmart ECO 27, Stiebel Eltron Tempra Plus, Rheem RTE 13, or Bosch Therm 820 ES, make sure it fits your specific needs. Say goodbye to running out of hot water and embrace the convenience of tankless technology today!

【INSTANT & SUFFICIENT HOT WATER】 With real powerful 14kW smart heating system, the tankless hot water heater electric ECO140B supplies sufficient instant and endless hot water of 120℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time any more and no worry of running out of it. Perfect companion for small apartment use, including shower, sink faucets, dishwasher, washing machine, etc.
【SELF MODULATION INSTANT WATER HEATER】The electric on demand tankless hot water heater ECO140B adjusts exact power input based on current flow rate and temp setting. For example, less power will be consumed by the smart water heater when you reduce water flow, thus, you get ideal temperature instead of scalding hot, which ensures comfortable experience and excellent energy efficiency. Also, optimal energy efficiency of 98% saves considerable electric charge for you.
【CONVENIENT USE】The electric tankless water heater 14kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status of the 240V water heater tankless, you needn’t go through hard lesson of setting. Now turn on the faucet and let the smart instant hot water heater do the rest.
【SAFE and DURABLE】Newly updated and applied with multiple protections, such as leakage protection, over heating protection and auto stop,every piece electric tankless water heater ECO140B goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Inner water and electricity lines are designed to run separately so as to avoid leakage risk and scale build up. You can expect outstanding performance for years to come.
【POINT of USE WATER HEATER】The sleek tankless water heater ECO140B is compact as shoes box, making it possible to install anywhere point of use to avoid waste, ideal for shower, kitchen, bar, school and hair salon. Please verify it is the right size for you: 14kW at 240V(only); dimensions 11.14" (W) x 15.87" (H) x 3.46" (D); plumbing connections :1/2" NPT. In order to install 14kW Tankless Water Heater it would requires 240 Voltage, 1X60AMP Double Pole Breaker and 1X6AWG/2 wires with Grounding.