Industrial tankless water heater – Are these the game changers you need?

Cheap models disappoint—but Rheem 18kW delivers exceptional performance!

When it comes to industrial tankless water heaters, choosing the right one is essential for efficiency and reliability. The **Rheem 18kW 240V** stands out for its powerful heating capabilities, while the **EcoSmart ECO 11** excels in energy savings with its patented self-modulating technology.

For those seeking outdoor installation, the **Rinnai V53DeP** offers a remarkable 5.3 GPM flow rate, making it perfect for high-demand situations.

Below, we analyze budget, lifespan, and real-user feedback.

industrial tankless water heaterindustrial tankless water heaterindustrial tankless water heater

industrial tankless water heater

Rheem 18kW Tankless Electric Water Heater

#1 CHOICE

Rheem 18kW 240V Tankless Electric Water Heater, Gray

Rheem 18kW 240V Tankless Electric Water Heater: 18 kW, Durable Copper heating elements, 2-year warranty.

Benefits

  • Flow rate of up to 4.4 GPM ensures a steady supply of hot water for multiple outlets.

Drawbacks

  • Requires professional installation for optimal performance.

The Rheem 18kW Tankless Electric Water Heater is a robust solution for those seeking efficient hot water delivery. With its advanced self-modulation technology, it adjusts power based on demand, ensuring you never run out of hot water during peak usage times. The external digital thermostatic control with LED display allows for precise temperature adjustments within +/- 1 degree accuracy, making it easy to set your desired comfort level.

One of the standout features is its flow rate, which can deliver up to 4.4 gallons per minute. This makes it suitable for larger households or simultaneous use in multiple bathrooms. The durable copper immersion heating elements are field serviceable, meaning maintenance can be performed without the need for complete replacement.

However, it’s important to note that installation may require a professional, which can add to the overall cost. Additionally, while this unit is built to last, it does not come with any dishwasher-safe parts, limiting cleaning options.

This water heater is a practical pick for small spaces and those who prioritize efficiency and reliability in their hot water supply.

To buy this product, click here.

EcoSmart ECO 11 Electric Tankless Water Heater

#2 CHOICE

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

EcoSmart ECO 11 Electric Tankless Water Heater: 11.5” x 8” x 3.75”, ABS plastic, 2-year warranty.

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Benefits

  • Provides between 1.3 and 3.1 gallons-per-minute depending on inlet water temperature.
  • 99% thermal energy efficient; only heats water when needed.
  • 90% smaller than traditional tank heaters, saving valuable space.

Drawbacks

  • Requires a 54 A amperage draw, which may necessitate electrical upgrades.
  • No built-in display for temperature settings; adjustments must be made through the circuit.

A practical pick for small spaces and low-flow applications, the EcoSmart ECO 11 is an excellent solution for those needing on-demand hot water without the bulk of a traditional tank. Its compact design allows for wall installation, making it ideal for bathrooms, small sinks, or office breakrooms. The energy efficiency is a standout feature, ensuring that you save on energy costs while enjoying consistent hot water. However, potential buyers should be aware of the amperage requirements, which may pose a challenge for some households. Overall, this tankless water heater is a smart investment for efficient and space-saving hot water solutions.

To buy this product, click here.

Rinnai V53DeP Outdoor Propane Water Heater

#3 CHOICE

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation

Rinnai V53DeP Propane Tankless Water Heater: 5.3 GPM flow rate, compact outdoor installation, 10-year heat exchanger warranty.

Benefits

  • Delivers endless hot water for multiple appliances simultaneously.
  • Energy-efficient operation heats water on demand, saving energy costs.
  • Space-saving design fits in tight outdoor areas.

Drawbacks

  • Professional installation recommended, which can add to initial costs.

This unit is a practical pick for families and individuals needing reliable hot water in small spaces. With its impressive flow rate, it ensures that you never run out of hot water, even during peak usage times. The energy-efficient design not only conserves energy but also extends the unit’s lifespan, making it a smart long-term investment.

However, potential buyers should note that professional installation is recommended to ensure optimal performance and safety. This added requirement may increase initial costs but is crucial for proper setup. Overall, the Rinnai V53DeP is an excellent choice for those looking for a compact, efficient solution for their hot water needs.

To buy this product, click here.

ORBEK 14kW Electric Tankless Water Heater

#4 CHOICE

14kW Tankless Water Heater Electric, ORBEK 240 Volt On Demand Instant Hot Water Heater, with LED Digital Display, ETL Certified, Up to 3.38 GPM for 2-3 Point of Use

14kW Tankless Water Heater Electric: 14.2” H x 9.5” L x 3.1” W, ETL certified, 2-year warranty.

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Benefits

  • Provides up to 3.38 GPM of instant hot water for 2-3 points of use simultaneously.

Drawbacks

  • Requires professional installation with a 240V/60AMP two-pole breaker.

The Orbek 14kW Tankless Water Heater is designed for efficiency and convenience. It delivers endless hot water in just 3 seconds, making it perfect for households with multiple hot water needs. The advanced technology used minimizes scale and corrosion, potentially cutting electricity costs by up to 60% compared to traditional heaters. The built-in chip maintains a stable water temperature within 1°F, ensuring a comfortable shower experience.

The LED digital display is user-friendly, allowing easy temperature adjustments between 86°F and 140°F. Its compact size saves over 50% of space compared to traditional tank heaters, making it suitable for small homes or apartments. However, it is important to note that installation may require a professional, which adds to the overall cost.

This product is ideal for small spaces where efficient hot water supply is crucial. If you are looking for a space-saving, energy-efficient solution for your hot water needs, the Orbek 14kW Tankless Water Heater is a practical choice.

To buy this product, click here.

Rheem RTEX-24 24kW Electric Water Heater

#5 CHOICE

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Provides continuous hot water for the entire home, ensuring you never run out during peak usage.
  • Heats up quickly, with adjustable temperature settings from 80-140 degrees F in 1-degree increments.
  • Compact design saves space, making it ideal for small areas.
  • Energy-efficient, helping reduce utility bills compared to traditional tank heaters.
  • Requires no venting, simplifying installation in various locations.

Drawbacks

  • No dishwasher-safe parts, which may complicate cleaning for some users.
  • Requires 3 x 40 AMP Double Pole Breakers, necessitating electrical upgrades in some homes.

A practical pick for small spaces, the Rheem RTEX-24 is an efficient solution for those seeking reliable hot water without the bulk of traditional heaters. Its compact design and energy-saving features make it an excellent choice for apartments or homes with limited space. Just ensure your electrical system can support its requirements for optimal performance.

To buy this product, click here.

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Faq about Industrial Tankless Water Heater:

1:What is an industrial tankless water heater?

An industrial tankless water heater heats water on demand without the need for a storage tank, providing a continuous supply of hot water.

2:How does an industrial tankless water heater work?

It uses powerful heating elements or gas burners to heat water instantly as it flows through the unit, ensuring efficiency and reducing standby heat loss.

3:What are the benefits of using an industrial tankless water heater?

Benefits include energy efficiency, space savings, longer lifespan, and an endless supply of hot water, making it ideal for high-demand applications.

4:What size industrial tankless water heater do I need?

Size depends on your facility’s hot water demand, flow rate requirements, and peak usage times. Consulting a professional can help determine the right size.

5:Are industrial tankless water heaters energy-efficient?

Yes, they are highly energy-efficient, as they only heat water when needed, reducing energy consumption compared to traditional tank heaters.

6:How do I maintain an industrial tankless water heater?

Regular maintenance includes descaling, checking filters, and ensuring proper venting to maximize efficiency and lifespan.

7:What is the lifespan of an industrial tankless water heater?

With proper maintenance, an industrial tankless water heater can last 15 to 20 years, significantly longer than traditional tank systems.

Conclusion

Rheem 18kW Tankless Electric Water Heater exemplifies efficiency and reliability, delivering a consistent hot water supply while minimizing energy consumption. Its advanced technology ensures optimal performance, making it a premier choice for households seeking both convenience and sustainability.

Conversely, the EcoSmart ECO 11 Electric Tankless Water Heater stands out for its compact design and customizable temperature control, catering to varied user preferences. This model epitomizes innovation, offering an eco-friendly solution that aligns with modern energy standards while providing substantial savings on utility bills.