Imagine this: you’re about to step into a nice, warm shower, but suddenly, the water turns ice cold. Frustrating, right? Or maybe your old water heater takes up a ton of space in your basement, and you’re tired of seeing that giant metal tank. Choosing a new water heater can feel like a puzzle, especially when you’re looking at electric tankless models. There are so many things to think about, like how much hot water you really need and if it will even work with your home’s electricity.
But don’t worry! This post is here to help you understand electric tankless water heaters better. We’ll break down what makes them special and why they might be the perfect fit for your home. By the end, you’ll have a clearer picture of what to look for and feel more confident in making a smart choice. Let’s dive in and discover how you can get endless hot water without the hassle.
Our Top 5 Electric Tankless Water Heaters Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
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EcoSmart ECO 11 Electric Tankless Water Heater | 9.1/10 | Check Price |
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Rheem 18kW 240V Tankless Electric Water Heater | 8.5/10 | Check Price |
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14kW Tankless Water Heater Electric | 9.0/10 | Check Price |
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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater | 8.6/10 | Check Price |
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Tankless Water Heater Electric 110V | 8.7/10 | Check Price |
Top 5 Electric Tankless Water Heaters Detailed Reviews
1. EcoSmart ECO 11 Electric Tankless Water Heater
Rating: 9.3/10
Tired of lukewarm showers and running out of hot water? The EcoSmart ECO 11 Electric Tankless Water Heater is here to change that. This powerful heater provides endless hot water on demand, so you never have to wait. Its smart technology keeps the water temperature just right, within one degree of what you set. Plus, it’s super energy efficient and saves a lot of space!
What We Like:
- You get endless hot water whenever you need it.
- It keeps your water temperature steady, always within 1 degree of your setting.
- It’s much smaller than old tank water heaters, saving you space.
- It saves energy because it only heats water when you use it.
- It’s very efficient, turning almost all the energy into hot water.
- It’s perfect for bathrooms, small sinks, and breakrooms.
What Could Be Improved:
- It uses a lot of electricity (54 amps), so you’ll need to check if your home’s electrical system can handle it.
- It might not be powerful enough for a whole house or high-demand situations, so you need to pick the right size.
This EcoSmart ECO 11 is a smart choice for consistent, on-demand hot water in smaller applications. It offers a great way to save energy and space while enjoying reliable hot water.
2. Rheem 18kW 240V Tankless Electric Water Heater
Rating: 8.8/10
Say goodbye to lukewarm showers and hello to endless hot water with the Rheem 18kW 240V Tankless Electric Water Heater in a sleek gray finish. This smart heater delivers hot water on demand, meaning you only use energy when you need it. It’s designed to fit right into your home and make your life easier.
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What We Like:
- The digital thermostat is super accurate, keeping your water at the perfect temperature within 1 degree. You can easily see the temperature on the LED display.
- It’s really smart! The heater adjusts its power automatically based on how much hot water you’re using. This saves energy and money.
- It has strong copper heating elements that are built to last and can be fixed easily if needed.
- It can provide up to 4.4 gallons of hot water per minute, which is enough for multiple uses at once.
- Installation is a breeze with simple bottom water connections. The threaded connections make it easy to swap out if you ever need to.
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What Could Be Improved:
- While it’s designed for easy installation, some users might find the initial setup requires a bit of electrical knowledge.
- The 18kW power draw might require an electrical panel upgrade for some older homes.
This Rheem tankless water heater offers an efficient and convenient way to ensure you always have the hot water you need. It’s a smart investment for any home looking for modern comfort and energy savings.
3. 14kW Tankless Water Heater Electric
Rating: 8.8/10
Tired of cold showers or waiting for hot water? The ORBEK 14kW Tankless Electric Water Heater is here to change that. This 240-volt, on-demand heater gives you endless hot water exactly when you need it. It’s compact, energy-efficient, and packed with safety features, making it a smart upgrade for your home.
What We Like:
- Provides instant, endless hot water for up to 2-3 uses at once, with a flow rate of 3.38 GPM.
- Very energy efficient, potentially saving you up to 60% on electricity bills compared to old tank heaters.
- Built-in safety features like leakage and over-temperature protection keep you safe. It’s also ETL certified.
- Keeps your shower temperature steady within 1°F, so no more sudden cold surprises.
- Easy-to-read LED display lets you set your perfect temperature between 86°F and 140°F.
- Small size saves over 50% of space, and it’s designed for easier installation.
- Comes with good after-sale support, including returns and technical help.
What Could Be Improved:
- Requires a dedicated 240V/60AMP two-pole breaker and 6 AWG wires, which might mean extra electrical work for some homes.
This ORBEK tankless water heater offers a convenient and efficient way to get hot water. It’s a solid choice for upgrading your home’s hot water system.
4. Rheem RTEX-24 24kW 240V Electric Tankless Water Heater
Rating: 9.0/10
Say goodbye to running out of hot water with the Rheem RTEX-24 24kW 240V Electric Tankless Water Heater. This gray unit is designed to provide endless hot water for your entire home. It’s an energy-efficient solution that heats water only when you need it, saving you space and money.
What We Like:
- Provides continuous hot water for the whole home, so everyone can shower without interruption.
- Easily adjust the temperature from 80 to 140 degrees Fahrenheit with a simple dial and digital display.
- Saves space because it’s tankless and doesn’t need a bulky tank.
- It’s energy efficient, which means lower utility bills.
- No venting is required, making installation simpler.
What Could Be Improved:
- Requires a significant electrical setup: 3 x 40 AMP double pole breakers and a 200 AMP household service. Make sure your electrical panel can handle the power.
- Performance can be affected by cold groundwater temperatures, which impacts how much hot water you get per minute.
This Rheem tankless water heater is a powerful and efficient option for homes needing a constant supply of hot water. Just be sure to check your electrical system’s capabilities before purchasing.
5. Tankless Water Heater Electric 110V
Rating: 8.9/10
Tired of waiting for hot water? This 110V, 3000W Tankless Electric Water Heater provides instant hot water whenever you need it. Its compact design and digital display make it a smart addition to your kitchen, bathroom, or RV.
What We Like:
- Provides instant, continuous hot water without preheating.
- Adjustable temperature settings in Fahrenheit or Celsius.
- Compact and elegant design fits easily under sinks.
- Multiple safety features like water-electricity isolation and leakage protection.
- High thermal efficiency saves energy.
- Easy to install with standard interfaces and included hardware.
- Ideal for kitchens, bathrooms, RVs, and camping.
- Excellent customer service with a 30-day money-back guarantee and 24-month warranty.
What Could Be Improved:
- Not suitable for showers due to lower GPM flow rate.
- Requires vertical installation only.
- Specific wiring recommendations (≥ 2.5 sq mm wires, > 32a trip switches) are important for proper function and safety.
This tankless water heater is a convenient and efficient way to get hot water on demand for smaller tasks. Its safety features and easy installation make it a solid choice for many homes.
Choosing the Right Electric Tankless Water Heater: Your Smart Guide
Thinking about an electric tankless water heater? They heat water on demand, so you never run out. This guide helps you pick the best one for your home.
Key Features to Look For
1. Flow Rate (GPM)
This is how much hot water the heater can give you at once. More GPM means you can run more things at the same time. A shower uses about 2.5 GPM. A dishwasher uses about 1.5 GPM.
- For one bathroom, 3-4 GPM is usually good.
- For two or more bathrooms, you might need 6-10 GPM or more.
2. Temperature Rise
This is how much the heater can warm the water. Colder places need a higher temperature rise. Check the incoming water temperature and the desired hot water temperature.
3. Energy Efficiency (EF)
A higher EF means the heater uses less electricity. Look for Energy Star certified models. They save you money on your bills.
4. Size and Installation
Tankless heaters are small. They save space. Make sure you have enough electrical power. Some need special wiring.
5. Digital Controls and Smart Features
Many heaters have easy-to-use digital screens. Some connect to Wi-Fi. You can control them with your phone.
Important Materials
1. Heating Elements
These are usually made of stainless steel or copper. Copper heats up faster and lasts longer. Stainless steel is strong and resists rust.
2. Casing
The outside case is often made of durable plastic or metal. It protects the inner parts.
Factors That Improve or Reduce Quality
1. Brand Reputation
Choose brands known for making good water heaters. Read reviews from other customers.
2. Warranty
A good warranty shows the company stands behind its product. Look for at least 5-10 years on parts and heating elements.
3. Customer Support
If you have problems, good customer support is important. Can you easily reach them for help?
4. Installation Quality
Proper installation is key. A bad installation can cause problems. Follow the manufacturer’s instructions carefully.
User Experience and Use Cases
1. Endless Hot Water
The biggest win is never running out of hot water. This is great for large families or when guests are over.
2. Space Saving
Tankless heaters are small. They fit in closets, garages, or under sinks. This frees up space in your home.
3. Energy Savings
They only heat water when you need it. This means less wasted energy. You will see lower electricity bills.
4. For Apartments and Small Homes
These are perfect for smaller living spaces. They provide enough hot water without taking up much room.
5. For RVs and Boats
Portable electric tankless water heaters are great for these uses. They provide hot water on the go.
Frequently Asked Questions (FAQ)
Q: How much electricity do electric tankless water heaters use?
A: They use electricity only when you need hot water. They are more energy-efficient than tank heaters. The exact amount depends on how much hot water you use and the heater’s power.
Q: Can an electric tankless water heater power my whole house?
A: It depends on the size of your house and how many hot water fixtures you have. A larger unit with a high GPM can handle a whole house. Smaller units are better for single fixtures or small homes.
Q: How long do electric tankless water heaters last?
A: They typically last 15-20 years. This is longer than traditional tank water heaters.
Q: Do I need a special electrical panel for an electric tankless water heater?
A: Yes, many require a dedicated circuit with a higher amperage. Check the heater’s specifications. You may need an electrician to install it.
Q: Are electric tankless water heaters expensive?
A: The upfront cost can be higher than tank heaters. However, they save you money on energy bills over time. They also last longer.
Q: How do I maintain an electric tankless water heater?
A: You should descale them about once a year, especially if you have hard water. This removes mineral buildup. Follow the manufacturer’s cleaning instructions.
Q: Can I install an electric tankless water heater myself?
A: For safety and to ensure it works correctly, it is best to have a qualified electrician or plumber install it. They can handle the electrical and plumbing connections.
Q: What is the difference between electric and gas tankless water heaters?
A: Electric ones are easier to install because they don’t need a gas line. Gas ones can be more powerful and heat water faster. Electric ones are often more energy-efficient for homes with available electricity.
Q: Will an electric tankless water heater work in a very cold climate?
A: Yes, but you need to choose a model with a sufficient temperature rise. Ensure the unit’s GPM rating is still met even with a large temperature increase.
Q: What is “scalding”?
A: Scalding happens when water is too hot and can burn your skin. Electric tankless heaters allow you to set a precise temperature. This helps prevent scalding, especially with children or the elderly.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.




