Industrial Tankless Water Heater – Which Ones Truly Stand Out?

Transform your hot water experience with the best industrial tankless water heaters, designed for efficiency and convenience.

When it comes to hot water solutions, industrial tankless water heaters are a game-changer. The Rheem 18kW 240V Tankless Electric Water Heater offers reliable performance and energy efficiency, while the EcoSmart ECO 11 features patented self-modulating technology that adjusts energy use based on demand. Both products ensure you have a consistent hot water supply without the wait.

These heaters are perfect for various applications, including commercial settings and large households. The Rinnai V53DeP provides an impressive 5.3 GPM flow rate, making it ideal for outdoor installations. Their compact designs save space while delivering powerful performance.

In this review, we’ll dive into the features, benefits, and ideal use cases of these industrial tankless water heaters, helping you choose the perfect solution for your needs.

Rheem 18kW Tankless Electric Water Heater

The adjustable valve sets the Rheem 18kW 240V Tankless Electric Water Heater apart from its competitors. This innovative feature allows users to fine-tune the water temperature, ensuring optimal comfort and efficiency. Constructed with durable copper immersion heating elements, this unit promises longevity and reliable performance. With dimensions measuring 18.5 x 14.5 x 4.5 inches, it is compact enough for various installation scenarios, while the external digital thermostatic control with LED display offers +/- 1-degree accuracy for precise temperature management.

Key Advantages

• The 316-grade stainless steel components resist corrosion, enhancing the unit’s durability and lifespan.

Limitations

• Not compatible with traditional tank water heaters, which may require additional adjustments for existing plumbing systems.

This model is ideal for outdoor enthusiasts needing a reliable hot water solution that can adapt to varying demands. With a flow rate of up to 4.4 GPM, it effectively meets the hot water needs of multiple fixtures simultaneously, making it suitable for cabins, RVs, or homes with high hot water usage. Its simple installation process, featuring bottom 3/4 inch NPT water connections, further enhances its appeal for those looking to upgrade their hot water systems with minimal hassle.

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EcoSmart ECO 11 Electric Tankless Water Heater

The adjustable valve sets the EcoSmart ECO 11 Electric Tankless Water Heater apart from its competitors. This innovative feature allows for precise control over water temperature, ensuring optimal performance tailored to user preferences. Constructed from durable materials, the unit features a compact design with dimensions of 11.5 x 8 x 3.75 inches, making it 90% smaller than traditional tank heaters, allowing for versatile installation options.

Key Advantages

• The use of **316-grade stainless steel** in construction resists corrosion, enhancing the unit’s longevity and reliability.
• With a power output of 13KW at 240 volts, it delivers a consistent flow rate of 1.3 to 3.1 gallons-per-minute, depending on the inlet water temperature, making it ideal for small sinks and bathrooms.
• Its patented self-modulating technology ensures that energy is only used when hot water is needed, achieving an impressive **99% thermal energy efficiency**.

Limitations

• It is **not compatible** with high-flow applications or larger households that require simultaneous hot water demands.

This water heater is best for outdoor enthusiasts and individuals needing a reliable, space-saving solution for point-of-use hot water applications. Its energy-efficient design is perfect for eco-conscious users looking to minimize their environmental footprint while enjoying the convenience of instant hot water.

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Rinnai V53DeP Outdoor Propane Water Heater

The adjustable valve sets the Rinnai V53DeP Propane Tankless Water Heater apart, offering precise control over water flow and temperature. Constructed from 316-grade stainless steel, this unit resists corrosion and ensures durability in outdoor environments. With dimensions of 26.5 x 18.5 x 10.0 inches, it fits well in tight spaces while delivering a robust 5.3 GPM flow rate, making it suitable for households with multiple hot water demands.

Key Advantages

• The energy-efficient design heats water on demand, reducing energy consumption and enhancing the unit’s lifespan through advanced scale detection features.

Limitations

• Not compatible with natural gas systems, limiting installation options for users who do not have propane availability.

Best for outdoor enthusiasts needing reliable hot water solutions in remote locations, the Rinnai V53DeP provides an excellent balance of efficiency and performance. Its professional installation recommendation ensures optimal functionality and safety, making it a top choice for those seeking a long-lasting water heating solution.

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ORBEK 14kW Electric Tankless Water Heater

The adjustable valve sets the Orbek 14kW Tankless Water Heater apart from its competitors, offering precise control over water temperature. Constructed from 316-grade stainless steel, this unit resists corrosion and ensures durability. Its compact dimensions of 14.2″H x 9.5″L x 3.1″W make it ideal for tight spaces, saving over 50% of the space compared to traditional tank water heaters.

Key Advantages

• The heater provides an instant hot water supply of up to 3.38 GPM, making it suitable for 2-3 points of use simultaneously. Its high energy efficiency is achieved through water-electricity separation, potentially reducing electricity costs by up to 60% compared to conventional models.

Limitations

• Not compatible with 120V electrical systems; installation requires a 240V/60AMP two-pole breaker and specific wiring.

This product is best for outdoor enthusiasts needing a reliable and efficient hot water solution for various activities, from camping to outdoor showers. With comprehensive safety features, including over-temperature and leakage protection, the Orbek 14kW Tankless Water Heater ensures peace of mind while delivering consistent performance. Its LED digital display allows for easy temperature adjustments between 86°F and 140°F, enhancing user convenience. Overall, this heater stands out for its blend of efficiency, safety, and compact design, making it a solid choice for modern hot water needs.

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Rheem RTEX-24 24kW Electric Water Heater

The adjustable valve sets the Rheem RTEX-24 apart from conventional water heaters, providing precise temperature control. This electric tankless water heater boasts a sleek gray design and is constructed from high-quality materials, ensuring durability. With dimensions of 18.5 x 14.5 x 3.625 inches, it fits conveniently in tight spaces.

Key Advantages

• The unit features a robust 316-grade stainless steel heat exchanger that resists corrosion, enhancing longevity and performance.
• With a maximum output of 24 kW, it delivers continuous hot water, making it suitable for whole-home applications.
• The ON/OFF dial control with an adjustable digital temperature display allows users to set temperatures in 1-degree increments, ranging from 80 to 140 degrees F, ensuring optimal comfort.
• This tankless model is energy-efficient, saving space and reducing utility bills, as it requires no venting.

Limitations

• Not compatible with homes that have inadequate electrical supply; it requires three 40 AMP double pole breakers and a recommended 200 AMP household service.
• Performance may vary based on geographic location and ground water temperature, impacting temperature rise and flow rate.

Best for outdoor enthusiasts needing reliable hot water solutions for various applications, the Rheem RTEX-24 is a high-performance choice that meets modern energy efficiency standards.

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Faq about Industrial Tankless Water Heaters:

1: What is an industrial tankless water heater?

An industrial tankless water heater provides hot water on demand without the need for a storage tank, making it energy-efficient and space-saving.

2: How does an industrial tankless water heater work?

It heats water directly as it flows through the unit using powerful heating elements, ensuring a continuous supply of hot water.

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

Benefits include reduced energy costs, endless hot water supply, smaller size, and lower risk of leaks compared to traditional systems.

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

Size depends on your facility’s hot water demand; consult a professional to determine the appropriate flow rate and temperature rise needed.

5: Are industrial tankless water heaters easy to maintain?

Yes, they require regular descaling and occasional inspection, but they generally have lower maintenance needs than traditional heaters.

6: Can I install an industrial tankless water heater myself?

Installation is complex and requires professional expertise to ensure safety and compliance with local codes.

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

With proper maintenance, they can last 20 years or more, significantly longer than traditional tank heaters.

Conclusion

The Rheem 18kW Tankless Electric Water Heater exemplifies efficiency and reliability, delivering consistent hot water while minimizing energy consumption, making it an optimal choice for modern households. Its robust features ensure seamless operation, catering to varying demands without compromising performance.

Conversely, the EcoSmart ECO 11 Electric Tankless Water Heater stands out for its compact design and innovative technology, providing substantial energy savings and on-demand hot water. Its user-friendly interface and adjustable temperature settings enhance convenience, solidifying its position as a formidable contender in the market.