The New Stiebel Eltron Tempra Plus 24 kW Electric Tankless Water Heater | Review & Guidance 2025

  • Key Takeaways
  • EcoSmart ECO 11 Electric Tankless Water Heater
  • Self-Modulating Technology for Energy Efficiency
  • Compact and Space-Saving Design
  • Consistent and Reliable Hot Water Supply
    • Reviews
  • Ease of Installation and Maintenance
  • LED Display for Temperature Monitoring
  • How Does an Electric Instant Hot Water Heater Work?
  • Benefits of Using a Tankless Water Heater
    • Reviews
  • Buying Guide
  • Conclusion
  • Frequently Asked Questions
    • What is a tankless water heater, and how does it work?
    • How does self-modulating technology improve energy efficiency?
    • Is the EcoSmart ECO 11 suitable for small spaces?
    • Does the EcoSmart ECO 11 provide consistent hot water?
    • Is installation of the EcoSmart ECO 11 easy?
    • What are the benefits of the LED display on the EcoSmart ECO 11?
    • Why should I choose a tankless water heater over a traditional one?

Key Takeaways

  • Its advanced self-modulating technology regulates energy consumption by automatically adjusting energy usage, making this electric tankless water heater efficient. Consumers are seeing significant savings on their bills and never run out of hot water.
  • At just 8 inches wide by 11.5 inches high, its compact design makes it perfect for tight spaces. The most important feature for our customers is its space-saving benefits and the installation flexibility it affords.
  • Delivers continuous on-demand hot water without temperature fluctuations, even in peak usage periods. Reviewers rave about its overall reliability in delivering hot water for the whole family.
  • You shouldn’t have any trouble installing it either, as many people have installed it themselves. Its low-maintenance design with durable, long-lasting components means satisfaction for years to come.
  • The LED display makes it easy to monitor and adjust the temperature as needed. Consumers appreciate its ease of use and ability to customize comfort and save energy.
  • This unit offers superior energy efficiency and a space-saving design. It provides endless hot water, so it’s a great replacement for tank-type water heaters. Customers point to the convenience and cost savings as the most impressive features.

The EcoSmart ECO 11 Electric Tankless Water Heater provides an endless supply of hot water with a space-saving design. It gives you continuous on-demand hot water. It provides on-demand and unlimited hot water by accurately sensing water temperature and controlling water flow rate.

This small heater is just 8 inches wide by 11.5 inches high. At only 6.5 lbs, it’s a breeze to save space versus bulky tank heaters. Its energy-efficient design paired with a space-saving LED display makes it the smart choice for any modern home, saving you money and space.

This electric instant hot water heater is designed for a massive 13,000 watts. It features Watersense certification, meaning it’s equipped to satisfy your comfort and eco-friendly requirements.

Tankless Water Heater 5.5kw 240V, ECOTOUCH Point-of-Use Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,White
  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 5.5kW@240V; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.

Self-Modulating Technology for Energy Efficiency

The EcoSmart ECO 11 Electric Tankless Water Heater is a great solution to save energy and money with self-modulating technology. It modulates its energy usage according to how much hot water you’re using at the time—whether that’s a little in the morning or a lot in the evening.

This is so that it doesn’t stress itself out and burn out when the demand is low, such as when washing hands or rinsing dishes. It self-modulates its energy consumption. This makes it an intelligent choice for anyone looking to eliminate wasted energy.

Second, it eliminates standby heat loss by only heating water when it’s needed. Conventional water heaters heat up water in a large tank and store it. This practice regularly leads to energy wastage by needlessly keeping up the temperature.

With the ECO 11, there is no tank, meaning energy is not wasted during the times you are not using hot water. As a result, thousands have seen the impact directly reflected on their monthly utility bills, often with savings as a common result.

It even maintains the water temperature, never fluctuating more than 1 degree from your selected temperature. You can take a hot shower or heat up the house to clean up. The ECO 11 ensures dependable performance, with no temperature swings.

I know from personal experience that this is one of the most useful features, providing especially smooth transitions between distinct household activities. I’m still thankful at how much more efficient this has made my home.

Since I’ve switched, my energy bills have been significantly lower. I appreciate the fact that I’m not wasting energy when I don’t need hot water! It’s just so convenient to have hot water on demand. I’m not creating more energy consumption, which is a sweet perk!

Compact and Space-Saving Design

Compact and space-saving design At just 8 inches wide and 11.5 inches high, it’s compact to fit just about anywhere. 90% smaller than standard tank water heaters, this compact solution greatly increases efficiency. You’ll be amazed at what you can gain without giving up performance to get the benefits!

This size works great for tiny home or apartment dwellers. Every square foot is important in these spaces! This design really opens up space. Plus, it removes the requirement for a large water tank.

Its space-saving design creates additional installation opportunities. You can wall-mount it, slide it under a sink or keep it in a utility closet. It’s space-saving and blends beautifully with your home.

For compact areas such as mini-master baths or laundry rooms, this versatility can be a game changer. I’ve had folks do remarkable things with the now-freed-up, cat-pee-smelling utility room, once the tank was out. That added floor space brings a ton of convenience.

In my opinion, based on on-the-ground experience, the compact size is the biggest win. I really enjoyed being able to install mine cleanly in a corner without breaking up the flow of my room.

It’s little wonder so many of our customers love it, especially when you consider how well it fits into areas where conventional tanks just won’t go. They’ve told us how it’s not just a space-saver, but a game-changer for organizing smaller homes.

Consistent and Reliable Hot Water Supply

EcoSmart ECO 11 Electric Tankless Water Heater is different than other water heaters in that it delivers an endless supply of hot water on demand. You’ll never have to wait for your water to heat up. That’s a big win on hectic mornings or when you’re having friends over for brunch!

You can always rely on it to provide consistent, on-demand hot water for as long as you need it—without any break in supply. It seems easy to run a shower and wash dishes at the same time. The water remains consistently warm in each location allowing for a seamless switching between tasks.

With the ability to monitor water temperature and flow rates in real-time, it ensures a consistent performance at all times. That way, you won’t experience surprise hot-to-cold water fluctuations. It’s almost as if the system automatically tuned itself to ensure perfect water temperature regardless of usage.

Even at peak usage times, the heater can truly supply your demands, meaning no more cold water surprises in the middle of your shower! It’s meant to provide consistent and reliable supply for the hot water needs of several outlets simultaneously.

The water temperature is always the same, even when you’re doing laundry while someone else is taking a bath. It’s equally reliable when you’re multitasking in the kitchen and the toilets in use. This is particularly important for very busy households, where a reliable hot water delivery can make all the difference in a hectic daily schedule.

Reviews

I can attest to how consistent and reliable this heater is even at high demand. Even with several faucets running at the same time, the temperature remained consistently warm and plentiful with no noticeable change.

It was comforting to know that the system was easily meeting all our household needs without any issues. Now that I’ve had the chance to use it, I can honestly tell you how much I don’t miss worrying about running out of hot water—even under heavy use.

Ease of Installation and Maintenance

Installing the EcoSmart ECO 11 Electric Tankless Water Heater is a piece of cake for the average Joe. Whether you’re a homeowner with some DIY skills or someone who prefers hiring a professional, the installation process is straightforward. Its compact size and lightweight design makes it easier to work with, especially compared to cumbersome legacy systems.

With standard electrical requirements and clear instructions, many users find they can complete the setup themselves without additional tools or confusion. For consumers who would rather leave installation to the pros, the user-friendly design reduces labor costs.

After installation, though, the ECO 11 is almost a maintenance-free unit. With no moving parts and a smart design as compared to conventional tank water heaters, there’s a lot less that can go awry. A durable construction resists common issues such as corrosion.

This greatly reduces maintenance upkeep and prolongs the overall life of the entire unit. It’s what customers are most impressed with, how little maintenance it requires and that contributes to their happiness. My experience was identical—cleaning the filter and the occasional cleaning of the interior were all there was to it.

LED Display for Temperature Monitoring

In comparison, the EcoSmart ECO 11 Electric Tankless Water Heater comes with a built-in LED display that allows simple monitoring of the water temperature. This one feature alone removes all the mystery, making it extremely easy to understand what’s happening with your water heating system at any given time. Their display features big, bold numbers, with no squinting or estimating required—even in low-light conditions.

It removes the uncertainty from tracking your water temp, which is incredibly helpful when you need stability. Changing settings is easy and highly accurate. The clearly lit LED display helps you set the perfect temperature in 1 degree increments. That way, you have just the right amount of heat for your shower or other home activities.

This deep level of control gives you the power to create tailored experiences. With smart technology, you can more easily accommodate the needs and preferences of everyone in your household. The real-time feedback makes it a much more engaging experience, providing visibility into how the system is being used and how it’s working.

This can provide you with an overview of energy consumption and allow you to adjust equipment settings for the greatest energy savings. Once you start experiencing a consistent temperature on the LED display, the relief washes over you. You can feel confident that the system is operating efficiently and effectively without any hiccups.

My favorite part is how the LED display makes setting adjustments so easy and worry-free. It’s very intuitive and provides a great at-a-glance insight into what’s going on with your water heater. I have always found it useful to be able to monitor my energy consumption. This helps me optimize the thermostat and be aware of my utility expenses.

How Does an Electric Instant Hot Water Heater Work?

The EcoSmart ECO 11 Electric Tankless Water Heater uses electric heating elements to heat water as it flows through the unit. Unlike conventional water heaters, there is not a big tank full of hot water waiting to be used. Rather, the system heats water as it’s needed, allowing the system to remain small and energy-efficient.

When you open your hot water faucet, cold water flows into the unit. It runs over the heating elements, which instantly raise the temperature to your set temperature. This streamlined process ensures you have hot water at your fingertips as soon as you need it, without having to wait for a cumbersome tank to fill and heat.

What truly sets this water heater apart is its self-modulating technology. It saves energy by using only the power needed for the amount of hot water you’re using. You’ll save power by washing your hands with a smaller heater. Enjoying a long shower means using more energy.

Energy efficiency saves money and eliminates wasteful energy consumption. It’s a sound investment for efficiency-minded homes. Because it doesn’t use a storage tank, you won’t experience the annoying situation of running out of hot water.

It provides an endless supply, even when washing the dishes or using several sinks at the same time. Another game-changing feature for homes with little to no space. It’s ideal for anyone looking to replace their old water heating system with a sleek and efficient electric instant hot water heater.

The compact design of the EcoSmart ECO 11 can fit into tight spaces, like under sinks or in small utility closets, without sacrificing performance.

Benefits of Using a Tankless Water Heater

Making a switch to a tankless water heater such as the EcoSmart ECO 11 is an obvious energy savings choice. Unlike conventional tank systems that heat water continuously and thus use more energy, this unit heats water on demand. This on-demand efficiency is a boon for energy bills, particularly in homes with fluctuating water usage from hour-to-hour or day-to-day.

You’ll never end up paying to keep 50 gallons hot while no one’s home. Over the life of the product, that type of savings can really add up.

Another huge benefit is the constant availability of hot water. This system was able to meet the needs of an entire house with three showers going at once. It even provides hot water for multiple laundry loads in a row—no waiting period required.

It’s the most practical choice for homes with high demand or larger households. No more waiting for the tank to refill and reheat.

The space-saving design is a benefit, as well. It’s a great match for homes and apartments with limited space. This space-saving feature makes their design perfect for places with little room.

Its compact design allows you to install it in the tightest spaces, including underneath a sink or mounted on a wall. This prevents your home from being cluttered and non-operational.

Reviews

I discovered the energy efficiency to be a unique benefit. My monthly utility bills made a noticeable decline, and I appreciate the peace of mind that comes from knowing I’m wasting less energy.

The convenience of never running out of hot water is a real game-changer, particularly on busy mornings. It’s been dependable and low-maintenance, contributing true value to my home.

Buying Guide

Expected purchase price for EcoSmart ECO 11 Electric Tankless Water Heater is $500-$700. Expect to pay up to $179 depending on the retailer and which features you want. The upfront cost can seem intimidating, but consider the savings over time.

With its ENERGY STAR approved design, you’ll save even more on bill day with energy-efficient operation! The LED display and accurate thermostat come together to reduce unnecessary energy usage. This increased efficiency can translate to significant savings over time.

It’s available through most big box home improvement stores, online retailers and from the manufacturer’s own website. It’s useful to price across these outlets since a sale or discount can sometimes tip the scales in favor of one option or another.

Some retailers even have bundle promotions that cover installation as well. Consider your household’s hot water usage and how much space you have available for installation before buying a unit.

With its space saving size—under 1 cubic foot—it’s perfect for smaller areas such as apartments or powder rooms. Ensure that your home’s electrical capacity can handle the 54-amp draw and 220 volts that the units require to operate.

Get professional advice on whether your system is compatible. The manufacturer’s warranty is included for your assurance against anything that may arise down the road.

Most retailers have very straightforward return/exchange policies. This allows you the smoothest opportunity to remedy any issues should the product not live up to your hopes.

As a rule of thumb, confirm these policies prior to purchasing to prevent any possible headaches.

Conclusion

The Ecosmart electric instant hot water heater with self-modulating technology is a smart, modern choice for hot water. It’s energy saving, space saving and on-demand providing you with a constant supply of hot water without any fluctuations in temperature. The self-modulating system maximizes energy efficiency by changing the amount of power used depending on the demand. Its space-saving design provides more usable floor space, so it’s a good option for homes with tight quarters. Additional features such as LED displays make using the heater more convenient with easy temperature monitoring.

Making the switch to this more efficient style of water heater will help save money on energy bills and make daily life more comfortable. It’s easy to install and maintain, bringing long-term value to homeowners while delivering peace of mind with every drop. If you’re in the market for an upgrade that combines performance and efficiency, this is a great choice. Join the movement toward smarter home solutions – order today.

Frequently Asked Questions

What is a tankless water heater, and how does it work?

A tankless water heater heats water on demand, so you don’t need to use a storage tank. Cold water travels through the unit, where powerful heating elements instantly heat the water on-demand, giving you a virtually endless supply of hot water.

How does self-modulating technology improve energy efficiency?

Self-modulating technology provides the perfect amount of energy only when needed, by using the flow of water and temperature to demand energy. This helps guarantee zero energy waste, reducing electricity bills and advancing America’s efficiency.

Is the EcoSmart ECO 11 suitable for small spaces?

EcoSmart ECO 11 is indeed compact, as it is only 8 inches wide and 11.5 inches high. It’s 90% smaller than conventional tank heaters, making it a perfect fit for installations where space is at a premium.

Does the EcoSmart ECO 11 provide consistent hot water?

100 percent. The ECO 11 gives you on demand, endless hot water that you’ll never run out of. It additionally maintains an accurate output temperature, within 1 degree of your selected output temp.

Is installation of the EcoSmart ECO 11 easy?

Is the EcoSmart ECO 11 easy to install? An expert installation process is still suggested to make sure the unit is set up correctly and safely.

What are the benefits of the LED display on the EcoSmart ECO 11?

Manage and set the water temperature via LED display, easy and safe to use, precise temperature control and heating up water in seconds.

Why should I choose a tankless water heater over a traditional one?

Tankless water heaters take up less space, use less energy, and give you endless hot water. They’re more energy efficient and last longer than conventional tank-type water heaters.

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