Our Heritage: Advanced Engineering

Dec. 19, 2022
The world leader in hot water technology since 1924, Stiebel Eltron’s tradition of engineering and manufacturing excellence produces energy efficient products fulfilling the highest expectations of performance & reliability.

From its very beginning, Stiebel Eltron was founded to produce an advanced water heater. In 1924, Dr. Theodor Stiebel founded the company to manufacture his revolutionary immersion water heater. From that beginning, Dr. Stiebel, and later his two sons, Frank Stiebel and Dr. Ulrich Stiebel, continued to develop new water heating technologies, and to improve on what they had invented. Stiebel Eltron is never satisfied that something cannot be improved upon. What started with Dr. Stiebel from the onset — the guarantee of good, careful, competent engineering and innovation — has continued for almost a century.

There continues to be a focus on the innovation of new products but also a refinement of existing products, including tankless water heating technology, and these days also building ventilation and heat pump technology. New products from Stiebel Eltron have always been patiently developed to ensure reliable products at the cutting edge of technology. Stiebel Eltron’s research and development department is one of the company’s largest. That the company is still family-owned, just second generation, it can’t help but be an important factor in becoming a technology trailblazer and a trusted supplier of reliable products.

We are happy to have expanded a range of tankless water heaters that use our Direct Coil™ heating technology to the U.S market. The DHC-E Trend and Plus point-of-use series feature Stiebel Eltron’s Direct Coil™ system, proven in the U.S. and Europe.  It is also found in the Mini™ series, which has the industry’s lowest failure rate. The Mini, for instance, has a failure rate of less than one-half of 1 percent, unprecedented in the industry. However, the technology offers considerably more advantages that just reliability. Direct Coil™ technology features a self-cleaning element with high limescale resistance that vibrates on start-up and shakes off calcium particles that have settled on it.

Additional benefits of the Direct Coil™ technology include a fast heat-up time, a low 0.26 gpm activation rate and low latent heat retention. The important benefits people expect from Stiebel Eltron are still there: safety high limit with manual reset and complete dry-fire prevention. This last one has always been a hallmark of Stiebel Eltron electric tankless and now, in addition to our reliable flow sensor technology, we added a patented system to detect air bubbles in the heating chamber to prevent any chance of element burn out. It also responds quickly to voltage, inlet temperature and flow rate changes. Both models are equipped with LCD screens. The DHC-E Plus series is the first point-of-use model to include Stiebel Eltron’s patented Advanced Flow Control™, an industry exclusive that, within the limits of capacity, guarantees hot water at the set temperature.

The benefits of using a tankless water heater are many. Tankless water heaters do not store hot water but make it on demand as it is needed. Since tankless water heaters are not storing hot water, they have no standby losses. This results in savings on the order of 20 percent over a standard electric tank. Our electric tankless water heaters also do not need venting. Combined with their compact size this means they can be installed nearly anywhere. Installed close to the points where hot water is needed, one of our tankless water heaters has a much shorter pipe run than the long pipe run from the typical tank water heater location. This results in both a shorter wait for hot water and a savings in water and money.

Our top-notch, U.S.-based technical and customer service support team are unsurpassed in answering questions and sharing their expertise, whether it’s for sizing questions or taking care of an issue.

Lastly, we should mention our commitment to be environmentally responsible. This focus begins with our core belief that electricity, preferably harnessed from renewables, is the energy of the future. The future belongs to environmentally friendly and efficient building technology such as we provide.

As a family business, we endeavor to ensure that tomorrow’s world is better than yesterday’s. That is why we advocate for an environmentally responsible life with environmentally responsible products that safeguard the future — yours and ours.

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