Imagine a never-ending hot shower, no more waiting for the tank to refill. Sounds amazing, right? That’s the promise of a tankless water heater. But when it comes to electric models, the sheer number of choices can feel overwhelming. You want to save energy and money, but how do you pick the one that’s perfect for your home? It’s easy to feel lost in all the technical terms and features.
This post is here to clear the confusion. We’ll break down what makes electric tankless water heaters a great option and guide you through the important things to consider. You’ll learn how to find a unit that fits your needs, from the size of your home to your daily hot water demands. By the end, you’ll feel confident in choosing the best electric tankless water heater for a more efficient and comfortable home.
Our Top 5 Tankless Water Heaters Electric Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
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EcoSmart ECO 11 Electric Tankless Water Heater | 9.5/10 | Check Price |
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Tankless Water Heater Electric 110V | 8.6/10 | Check Price |
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Rheem 18kW 240V Tankless Electric Water Heater | 9.1/10 | Check Price |
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14kW Tankless Water Heater Electric | 8.8/10 | Check Price |
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ECOTINYMACH 110V Tankless Water Heater Electric | 9.0/10 | Check Price |
Top 5 Tankless Water Heaters Electric Detailed Reviews
1. EcoSmart ECO 11 Electric Tankless Water Heater
Rating: 9.4/10
Tired of running out of hot water? The EcoSmart ECO 11 Electric Tankless Water Heater is here to help! This heater provides endless hot water whenever you need it. It uses smart technology to keep your water at the perfect temperature, within 1 degree of what you set. It’s also super energy efficient and saves a lot of space.
What We Like:
- Provides endless hot water, so no more cold showers!
- It’s very energy efficient, saving you money on your bills.
- Takes up much less space than old tank water heaters – it’s 90% smaller!
- You can mount it on the wall or use it for a single sink.
- Keeps water temperature steady, within 1 degree of your setting.
- Heats water only when you need it, saving more energy.
- Ideal for bathrooms, small sinks, or office breakrooms.
What Could Be Improved:
- Requires a 54 Amp draw, so make sure your electrical system can handle it.
- The flow rate varies depending on how hot the incoming water is.
- You need to check the sizing guide to pick the right heater for your needs.
This EcoSmart ECO 11 is a fantastic choice for on-demand hot water and energy savings. It’s a smart upgrade for many homes and small businesses.
2. Tankless Water Heater Electric 110V
Rating: 8.9/10
Tired of waiting for hot water? This 110V, 3000W electric tankless water heater delivers instant hot water right when you need it. Its compact design fits perfectly under sinks in kitchens, bathrooms, RVs, and even for camping. Enjoy on-demand hot water without the hassle of a bulky tank!
What We Like:
- Provides instant hot water, saving you time and energy.
- Compact and elegant design fits easily in small spaces.
- Digital display lets you easily set your desired temperature in Fahrenheit or Celsius.
- Multiple safety features like water-electricity isolation and leakage protection keep you safe.
- Highly efficient with 98% thermal efficiency, saving you money on energy bills.
- Easy to install vertically with standard 1/2 inch NPT connections.
- Comes with a 30-day money-back guarantee and a 24-month warranty.
What Could Be Improved:
- Not powerful enough for showers, as it requires a higher flow rate.
- Requires specific installation instructions (vertical only) to avoid issues.
- Needs proper wiring (≥ 2.5 sq mm) and a high-amperage trip switch (over 32a) for safe operation.
This tankless water heater is a fantastic solution for quick hot water needs in various locations. Its efficient design and safety features make it a reliable choice for your home or on-the-go adventures.
3. Rheem 18kW 240V Tankless Electric Water Heater
Rating: 9.3/10
Tired of lukewarm showers? The Rheem 18kW 240V Tankless Electric Water Heater in gray is here to change that. This heater provides endless hot water for your home. It’s a smart choice for busy households. You’ll enjoy consistent temperatures thanks to its advanced features.
What We Like:
- It offers precise temperature control with its external digital display, showing the temperature within 1 degree.
- The self-modulation technology is very smart. It adjusts the heater’s power to match your hot water needs, saving energy.
- It uses two strong copper heating elements that last a long time.
- These elements are also easy to replace if needed, making repairs simple.
- It can deliver up to 4.4 gallons of hot water per minute, enough for multiple uses.
- Installation is straightforward with its bottom 3/4 inch NPT water connections.
- The digital temperature display makes it easy to see the water temperature at a glance.
What Could Be Improved:
- For some homes, the 18kW power draw might require an electrical panel upgrade.
- While the copper elements are durable, the initial cost of a tankless heater can be higher than a traditional tank heater.
This Rheem tankless water heater offers efficient and reliable hot water. It’s a great upgrade for any home seeking consistent comfort and energy savings.
4. 14kW Tankless Water Heater Electric
Rating: 9.3/10
Tired of lukewarm showers or running out of hot water? The ORBEK 14kW Tankless Electric Water Heater could be your solution. This 240-volt, on-demand heater promises endless hot water and energy savings. It’s designed for convenience with an easy-to-read digital display and a compact size that saves space.
What We Like:
- Provides instant, endless hot water at up to 3.38 GPM, enough for 2-3 uses at once.
- 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 make it safe to use.
- Keeps water temperature steady within 1°F for a consistently comfortable shower.
- The LED digital display makes it simple to set your desired temperature from 86°F to 140°F.
- Its small size saves over 50% of space, and installation is made easier with design improvements.
- Comes with good after-sale support, including returns and technical help.
What Could Be Improved:
- Requires a specific setup: a 240V/60AMP two-pole breaker, 6 AWG wires, and 1/2″ NPT water connections.
This ORBEK tankless water heater offers a modern, efficient way to get hot water. It’s a smart choice for saving energy and space in your home.
5. ECOTINYMACH 110V Tankless Water Heater Electric
Rating: 9.4/10
The ECOTINYMACH 110V Tankless Water Heater is a small but mighty appliance that heats water instantly. It’s perfect for under-sink use, giving you hot water right when you need it without a bulky tank. This heater is also super easy to use and lets you choose between Fahrenheit and Celsius, making it simple to check the temperature.
What We Like:
- Its super compact design saves a lot of space, especially under the sink.
- You can easily switch between Fahrenheit and Celsius to see the temperature how you like it.
- Setting it up is a breeze, so you won’t spend hours on installation.
- It’s electric and tankless, which means it’s good for the environment and helps lower your electricity bills.
- It heats water on demand, so you never run out.
What Could Be Improved:
- It requires a specific circuit breaker (32AMP) and wire size (2.5mm ² or 13AWG), so make sure your electrical setup can handle it.
- The 3000W power might not be enough for very high hot water demands, like filling a large bathtub quickly.
This ECOTINYMACH water heater is a smart choice for anyone needing instant hot water in a small space. It’s efficient, easy to install, and offers user-friendly temperature controls.
Choosing Your Electric Tankless Water Heater: A Smart Guide
Tired of cold showers? An electric tankless water heater could be your perfect solution! These amazing gadgets heat water only when you need it, saving you energy and money. Let’s dive into what makes a good one and how to pick the best for your home.
Key Features to Look For
1. Flow Rate (GPM)
This tells you how much hot water the heater can deliver at once. More GPM means you can run more faucets or appliances at the same time. Think about how many showers you might run at once. A typical shower uses about 2.5 GPM. If you have a large family, you’ll need a higher GPM.
2. Temperature Rise
This is how much the heater can raise the incoming water temperature. Colder climates need a higher temperature rise. Check the average groundwater temperature in your area. You want the heater to be able to reach your desired hot water temperature from that starting point.
3. Energy Efficiency (EF)
Look for a high Energy Factor (EF). A higher EF means it uses less energy to heat the same amount of water. This saves you money on your electricity bill.
4. Size and Compactness
Tankless heaters are small! They save space compared to bulky traditional tanks. Make sure the unit you choose fits comfortably in its intended spot.
5. Digital Display and Controls
Many models have easy-to-read digital displays. These let you set the exact water temperature you want. This makes it simple to get your perfect hot water.
Important Materials
Good electric tankless water heaters use strong materials. This makes them last longer and work better.
- Stainless Steel Heating Elements: These are important for heating the water. Stainless steel resists rust and lasts a long time.
- Durable Casing: The outside of the heater should be made of tough plastic or metal. This protects the inner parts.
- Copper Heat Exchangers: Some high-end models use copper. Copper heats water very quickly and efficiently.
What Makes a Tankless Heater Great (or Not So Great)
Several things can affect how well your tankless water heater works.
Factors That Improve Quality:
- Brand Reputation: Well-known brands often make reliable heaters. They usually offer good warranties too.
- Customer Reviews: Read what other people say. Happy customers often point to good quality and performance.
- Advanced Technology: Features like smart controls and self-cleaning functions can improve performance and longevity.
Factors That Reduce Quality:
- Low-Quality Components: Cheap parts can break down faster. This leads to more repairs or needing a new heater sooner.
- Poor Installation: Even the best heater won’t work right if it’s not installed correctly. It’s best to hire a professional.
- Overloading the Unit: Trying to use too much hot water at once can strain the heater. This can lower its performance.
User Experience and Use Cases
Electric tankless water heaters are great for many situations.
- Small Homes and Apartments: They save space and are perfect for smaller living areas.
- Second Homes or Garages: Heat water only when you need it, saving energy in places that aren’t used all the time.
- Specific Needs: You can install them for a particular sink or shower. This is handy if your main water heater can’t keep up.
- Energy Savings: The biggest win is saving money on your energy bills. You only pay for the hot water you use.
- Endless Hot Water: No more waiting for a tank to reheat! You get hot water as long as you need it.
Choosing the right electric tankless water heater means looking at flow rate, temperature rise, and energy efficiency. With the right choice and proper installation, you’ll enjoy endless hot water and lower energy bills!
Frequently Asked Questions (FAQ)
Q: What’s the biggest advantage of an electric tankless water heater?
A: The biggest advantage is that it heats water only when you need it. This saves energy and money. You also get a continuous supply of hot water.
Q: How much hot water can an electric tankless heater provide?
A: It depends on the model’s flow rate (GPM). A higher GPM means it can supply more hot water at once for multiple uses.
Q: Do I need a special electrical setup for an electric tankless water heater?
A: Yes, most electric tankless heaters need a dedicated, high-amperage circuit. It’s important to have an electrician check your home’s electrical capacity.
Q: How long do electric tankless water heaters last?
A: With proper maintenance, they can last 15 to 20 years, which is longer than traditional tank heaters.
Q: Are they difficult to install?
A: Installation can be complex, especially the electrical connections. It is highly recommended to hire a qualified plumber or electrician.
Q: Can an electric tankless heater handle a whole house?
A: Yes, but you’ll need a powerful unit with a high flow rate. For larger homes with multiple bathrooms, you might need a whole-house model or even two units.
Q: What temperature can an electric tankless heater reach?
A: Most models can heat water to between 100°F and 140°F (38°C to 60°C). You can usually adjust this setting.
Q: Will an electric tankless heater work in a cold climate?
A: Yes, but you need to choose a model with a sufficient temperature rise. The colder the incoming water, the more power the heater needs to warm it up.
Q: How do I maintain an electric tankless water heater?
A: Regular descaling is important, especially in areas with hard water. Flushing the unit annually can help prevent mineral buildup.
Q: Are they more expensive than traditional tank water heaters?
A: The upfront cost of an electric tankless heater is often higher. However, the energy savings over its lifespan can make it more cost-effective.
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.