Stiebel Eltron Tempra 24 Plus Review: Best Eco-Friendly Heater?

Stiebel Eltron Tempra 24 Plus

In the quest for a cozy and energy-efficient home, have you considered going tankless for your hot water needs? The Stiebel Eltron Tempra 24 Plus might just be the solution you’ve been searching for.

With German-engineered technology and a commitment to sustainability, Stiebel Eltron stands out as a reputable brand that’s been innovating since 1924.

The Tempra Trend models feature the apex of tankless water heater innovation, showcasing superior performance and cutting-edge features unparalleled in the industry.

The Tempra 24 Plus is designed to save space and energy. It kicks into action only when you need hot water, cutting down on the standby losses typical of tank heaters. Its compact size will surprise you, freeing up room compared to traditional bulky water heaters, and the lack of venting requirements simplifies installation.

With features like auto-modulation and continuous flow technology, the unit adjusts its power output to ensure a steady stream of hot water even when demand is high.

Despite being tankless, the Tempra 24 Plus won’t leave you in the cold mid-shower. If the demand exceeds its capacity, it smartly reduces the flow slightly to maintain your desired temperature without interruption.

Moreover, it pampers you with a digital temperature display for easy adjustments and a silent operation that won’t disrupt your home’s peace and quiet.

Bottom Line

Looking for an upgrade to your home’s hot water system? Consider the savvy pick—the Tempra 24 Plus by Stiebel Eltron.

It offers not just endless hot water on demand but also energy savings, all packaged neatly to maximize your home’s efficiency and comfort.

Eager for that next level of water heating experience? Click here to get your very own Stiebel Eltron Tempra 24 Plus and make cold showers a thing of the past!

Experience Endless Hot Water with the Stiebel Eltron Tempra 24 Plus

Imagine the luxury of always having hot water at your fingertips, whether you’re washing dishes, doing laundry, or enjoying a long soak in the tub.

The Stiebel Eltron Tempra 24 Plus enables you to enjoy endless hot water at your home with innovative features that balance comfort, efficiency, and ease of use.

Advanced Flow Control

This electric tankless water heater ensures you get a constant temperature output even when demand is high. Its tankless water heating technology auto-adjusts the flow rate, so even if someone else starts a shower or runs the dishwasher, your cozy hot showers won’t suddenly turn cold.

This feature means your family can carry on with multiple tasks with consistent output temperature without worrying about losing heat. is an exceptional unit designed with a broad range of applications in mind. If you have a large home with three baths in warm climates, look to this unit to fulfill your needs.

Alternatively, if you have a 2-bath home in moderate climates where the incoming water temperature is 55℉ (degrees Fahrenheit) you can expect this unit to provide 120℉ (degrees Fahrenheit) at 2.5 gallons per minute. At 1.5 gallons per minute, it will produce a difference of 92℉ (degrees Fahrenheit) from incoming ambient water temperature.

Space-Saving and Energy-Efficient Design

The sleek, compact design of the Tempra 24 Plus makes it a fit for any home, freeing up floor space that a bulky tank would occupy.

Not only does its size impress, but this unit is a true energy saver. By heating water on demand and avoiding the energy losses of a tank, your power consumption for hot water can drop significantly—meaning potential savings on bills for you.

Simple Operation and Installation

With a user-friendly electronic switch, this heater operates quietly in the background. The digital temperature display along with preset temperature buttons that simplify your interaction with the device. When it comes to installation, it can be mounted without the need for venting, making the setup less complex compared to traditional units.

Safety and Temperature Controls

Your safety has not been overlooked. You can set a maximum hot water temperature to avoid any chance of scalding. Plus, temperatures are adjustable from 68° to 140°F, ensuring personal preference and comfort. This range, along with the internal copper heating system, promises reliable hot water delivery whenever needed.

The inclusion of a thermal cut-out switch serves as an effective safety precaution, eliminating the need for frequent replacement of heating elements, a common issue encountered with numerous other electric tankless water heaters.

Built to Last with Warranties

Durability is key, and the Tempra 24 Plus is built to provide longevity. The reassurance of a 7-year leakage and 3-year parts warranty means peace of mind for you, knowing that the manufacturer stands behind their quality assurance.

With the Stiebel Eltron Tempra 24 Plus, the balance of continuous hot water, energy savings, and innovative features make it a noteworthy addition to any home. While keeping a close eye on the factors that matter such as space, energy consumption, and ease of use, this unit aims to cater to modern-day household needs efficiently.

Pros and Cons

stiebel eltron tempra 24 plus reviews

When searching for an ideal solution to hot water needs, the Stiebel Eltron tankless water heater, specifically the Tempra 24 Plus model, has been making waves with its features. Let’s break down what’s working in its favor and what might be considered less impressive.


  • Continuous Flow: With Advanced Flow Control, you get a consistent water temperature that’s automatically adjusted, even when demand is high. This means no more cold surprises in the middle of a shower.
Energy EfficientAuto-modulation saves energy, potentially reducing utility bills.
Compact DesignSleek and space-saving, with no venting required, it’s designed to fit neatly into tight spots.
Easy to UseOperating quietly, it provides an intuitive digital display and memory for your temperature preferences.
Safety FocusedThe ability to limit maximum hot water temperature can help prevent scalding accidents.
  • Warranty: Comes with a solid backing of a 7-Year Leakage and a 3-Year Parts warranty reassuring your investment is protected.


  • Installation Requirements: The 24 kW, 240V model requires a minimum recommended electric service of 150 A, which may necessitate an upgrade to your existing electrical system.
Professional InstallationThe need for specialized electrical installation could add to the initial cost.
Learning CurveAdapting to a tankless system from a traditional tank might take a bit of getting used to for some.
  • Durability Concerns: A few reports mention issues like screen malfunctions, though customer service seems responsive and parts are readily replaceable.

In summary, while the upfront setup of the Tempra 24 Plus might be more involved, the enduring benefits of continuous flow and energy savings could be a game-changer for your home comfort.

Keep in mind the upfront costs and potential need for professional installation, but also remember the long-term perks and reliable customer service. It’s like adding a modern upgrade to your home that not only adds convenience but also contributes to energy conservation.

Performance and Efficiency

When considering a tankless water heater, you weigh the balance between efficient operation and the unit’s ability to deliver hot water on demand.

The Tempra 24 Plus stands out with Stiebel Eltron’s patented Advanced Flow Control, which ensures a steady water temperature even during high demand, by slightly reducing water flow instead of allowing the water temperature to drop. This means no more cold surprises halfway through your shower.

The design of this electric water heater is compact saving you plenty of space. Plus, it’s an energy saver; the auto-modulation and the electronic control of water flow could help lower your energy bills. The savings monitor is a nifty feature that shows the impact on your energy costs, reinforcing the eco-friendly benefits of the unit.

While operation is user-friendly, with an electronic switch and a silent function while in use, it’s worth noting that setup requires a minimum recommended electric service of 150 A. The digital temperature display and preset memory buttons provide a modern touch, making adjustments simple and precise to find your ideal comfort level.

Overall, the Tempra 24 Plus’s self-modulating technology and space-saving features suit a modern household well—delivering continuous hot water efficiently and maintaining your desired temperature with ease. Although, like with any sophisticated technology, setup is key to ensure optimal performance.

Installation and Maintenance

Getting your Tempra 24 Plus installed is usually a smooth process, but it’s crucial to have it done by a professional electrician due to the high voltage requirements (240 Volts).

It mounts on the wall and connects to the plumbing system, ensuring an unobtrusive fit in your utility space. Keep the manual handy for specific instructions tailored to this model, as it will guide the electrician with clear and precise steps.

Once up and running, the maintenance is minimal. The beauty of the Tempra 24 Plus lies in its simplicity — there are no batteries to replace, and its LED Display will alert you to its operational status and any issues that arise.

Periodically check for any dust accumulation around the unit and wipe it clean with a dry cloth. Also, descale the water heater annually, especially if you live in an area with hard water.

This will prolong the efficient operation of your heater and help maintain its energy-saving benefits. Remember, no special tools are required for its upkeep, making your life that bit easier.

Pricing and where to buy

If you’re considering the Tempra 24 Plus, you’ll find it reasonably priced for an on-demand water heater, especially given its energy-saving features. While prices can fluctuate, expect to spend in the mid to high range of triple digits. The exact cost will vary depending on the retailer and current promotions.

For the most hassle-free experience, purchasing directly from Amazon is a solid choice—they often have competitive pricing and swift shipping for tankless electric water heaters. Plus, the convenience of reading through customer feedback before adding it to your cart can’t be overstated.

However, it’s always a good idea to compare prices across different platforms to ensure you get the best deal. Major home improvement stores and reputable online appliance outlets might also stock the Tempra 24 Plus, so consider checking those out as well.

Remember to keep an eye out for warranty options and return policies to make your purchase worry-free.

What Customers Are Saying

Many people have transitioned to the Tempra 24 Plus and shared their experiences. A significant benefit highlighted is the space-saving design that some users find valuable, especially when replacing bulky traditional water heaters. You’ll notice that it’s been a hit for those wanting to declutter and utilize space more effectively.

Users often express satisfaction with the consistent and high flow of hot water, a key selling point that seems to meet expectations. However, it’s worth noting that installation might require professional skills, as it involves specialized electrical work.

If you’re handy, like the user who installed it with their father, this might be a manageable DIY project, allowing for a rewarding shared experience.

In terms of reliability, there’s a mention of excellent customer service, with one customer receiving a part replacement swiftly. Meanwhile, for those in the hospitality sector, like an Airbnb owner, the heater has proven to be a reliable piece of equipment ensuring a constant hot water supply, which guests appreciate.

Although there have been issues for a few users, like a display that malfunctioned, the responsiveness of customer support receives praise.

Just keep in mind that while many have had a trouble-free experience for years, a small number reported problems after extended use. Your satisfaction might very much depend on your usage patterns and maintenance efforts.


When considering the Stiebel Eltron Tempra 24 Plus, you’re looking at a tankless water heater known for its space-saving design and consistent hot water supply to replace your tank water heater. Users appreciate the ease of installation and the customer service responsiveness.

The unit seems to perform well in various settings, from private homes to Airbnb accommodations, ensuring hot water is always available.

However, a few users experienced technical issues with the display which, while promptly resolved by customer service, could be a minor inconvenience. It’s worth noting that the product requires specialized electrical installation, which is an additional consideration before purchase.

In summary, the Tempra 24 Plus could be a valuable addition to your home, especially if you’re seeking an efficient, tankless water heater that can handle continuous use.

Its dependable performance has garnered positive feedback, but as with any appliance, it isn’t without its potential hiccups. If you value customer service and product reliability, this model is certainly worth considering. Just be mindful of the initial installation requirements.