All Electric Tankless Water Heater – Which One Surprised Us Most?

Experience endless hot water with the all electric tankless water heater, perfect for modern living and energy efficiency.

The all electric tankless water heater is a game-changer in home comfort. With options like the Rheem RTEX-24 24kW and Rheem 18kW, you can enjoy instant hot water on demand. These units are designed to save space and energy, providing hot water only when needed.

Ideal for homes with multiple bathrooms, these versatile heaters offer impressive flow rates, ensuring you never run out of hot water. With features like LED digital displays and ETL certification, they guarantee safety and convenience.

In this review, we’ll explore the top models, their unique features, and how they can transform your daily routine with efficient heating solutions.

Rheem 24kW Electric Tankless Water Heater

The adjustable valve sets the Rheem RTEX-24 apart, allowing users to fine-tune water temperature with precision. This electric tankless water heater features a robust construction with 316-grade stainless steel components that resist corrosion, ensuring durability. With dimensions of 18.5 x 14.5 x 4.5 inches, it fits conveniently in tight spaces.

Key Advantages

• The ON/OFF Dial Control with an adjustable digital temperature display enables adjustments in 1-degree increments from 80 to 140 degrees Fahrenheit, providing excellent temperature control for varying needs.

Limitations

• Not compatible with homes lacking sufficient electrical capacity, as it requires 3 x 40 AMP Double Pole Breakers and a 200 AMP household service.

Best for outdoor enthusiasts needing a reliable source of continuous hot water, the Rheem RTEX-24 is ideal for homes in areas with fluctuating groundwater temperatures. Its efficient design saves both space and energy, making it a smart choice for modern households looking to reduce utility costs while enjoying the convenience of on-demand hot water.

To buy this product, click here.

Rheem 18kW Electric Tankless Water Heater

The adjustable valve sets the Rheem 18kW 240V Tankless Electric Water Heater apart from its competitors. This innovative feature allows for precise temperature control, ensuring optimal hot water delivery tailored to your needs. Constructed from durable materials, this unit features a robust design with copper immersion heating elements, enhancing its longevity and efficiency. With dimensions that facilitate easy installation, it boasts bottom 3/4 inch NPT water connections and a flow rate of up to 4.4 GPM, making it suitable for various household sizes.

Key Advantages

• The 316-grade stainless steel components ensure corrosion resistance, prolonging the unit’s lifespan and maintaining performance.

Limitations

• It is not compatible with traditional tank water heaters, which may require additional adjustments for integration.

This water heater is best for outdoor enthusiasts needing a reliable, on-demand hot water solution for cabins, RVs, or outdoor showers. Its self-modulation technology automatically adjusts power to meet hot water demand, making it an energy-efficient choice for those who prioritize sustainability without sacrificing performance.

To buy this product, click here.

ORBEK 14kW Electric Tankless Water Heater

The adjustable valve sets the Orbek 14kW Tankless Water Heater apart, allowing users to customize their hot water experience with precision. Constructed from durable materials, this unit features a compact design with dimensions of 14.2″H x 9.5″L x 3.1″W, making it suitable for various installation spaces. It operates on a 240V/60AMP two-pole breaker and requires 1 set of 6 AWG wires and 1/2″ NPT water connections.

Key Advantages

• Utilizes 316-grade stainless steel to resist corrosion, ensuring longevity and reliability.
• Provides an impressive flow rate of up to 3.38 GPM, delivering on-demand hot water for 2-3 points of use simultaneously.
• Features advanced energy efficiency, potentially reducing electricity costs by up to 60% compared to traditional tank heaters.
• Equipped with comprehensive safety protections, including leakage, over-temperature, and dry-heating protections, all ETL certified.
• Stable temperature control is achieved through a built-in chip that adjusts heating power 20,000 times per second, maintaining water temperature within 1°F.
• LED digital display offers easy temperature adjustments and real-time monitoring.
• Compact design saves over 50% of space compared to traditional options, simplifying installation.

Limitations

• Not compatible with 120V systems, limiting installation options for some users.

Best for outdoor enthusiasts needing a reliable and efficient hot water solution for various applications.

To buy this product, click here.

EcoSmart ECO 11 Electric Tankless Water Heater

The EcoSmart ECO 11 Electric Tankless Water Heater stands out with its patented self-modulating technology, which ensures endless on-demand hot water while optimizing energy efficiency. Constructed from durable materials like 316-grade stainless steel, this unit resists corrosion and guarantees longevity. Its compact dimensions of 11.5 x 8 x 3.75 inches allow for versatile installation options, whether mounted on a wall or placed at the point of use.

Key Advantages

• Energy Efficient: With a thermal efficiency rating of 99%, it only heats water when needed, significantly reducing energy waste.

Limitations

• Not compatible with traditional tank systems, which may limit integration options for some users.

This tankless water heater is best suited for outdoor enthusiasts needing efficient hot water solutions for low-flow applications such as small sinks, bathrooms, or office breakrooms. Its ability to provide between 1.3 and 3.1 gallons-per-minute makes it ideal for specific, targeted uses, ensuring that hot water is always available without the bulkiness of traditional heaters.

To buy this product, click here.

WINTEMP 27kW Electric Tankless Water Heater

The adjustable valve sets the WINTEMP 27kW Electric Tankless Water Heater apart from its competitors. This unit is designed for whole-house hot water supply, featuring a compact wall-mounted design with dimensions of 11.1” (W) x 19.1” (H) x 4” (D). It operates at a powerful 27KW (240V) and requires a maximum amperage of 113A, necessitating 3 x 40 Amp double-pole breakers and 3 x 8/2 AWG wiring with ground for optimal performance.

Key Advantages

• The use of **316-grade stainless steel** ensures durability and resistance to corrosion, enhancing the unit’s lifespan.
• With a maximum hot water output of 6.5 gallons per minute, it guarantees a stable water temperature by automatically adjusting energy consumption based on incoming water temperature and flow rate.
• Energy saving is significant, achieving up to 99% efficiency and potential electricity cost savings of up to 60% compared to traditional tank heaters.
• Remote WiFi control allows users to adjust the temperature conveniently from anywhere.

Limitations

• Not compatible with traditional tank water heater systems, requiring specific installation setups.

Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the WINTEMP 27kW delivers consistent performance without the bulk of traditional systems.

To buy this product, click here.

Faq about All Electric Tankless Water Heater:

1: What is an all electric tankless water heater?

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

2: How does an all electric tankless water heater work?

When a hot water tap is opened, cold water flows through the unit, activating the electric heating elements to heat the water instantly.

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

Benefits include energy efficiency, space savings, unlimited hot water supply, and lower operational costs compared to traditional water heaters.

4: Is installation difficult for an all electric tankless water heater?

Installation can be complex and may require electrical upgrades. It’s best to hire a licensed plumber or electrician for proper installation.

5: How much energy can I save with an all electric tankless water heater?

Users can save up to 30% on energy bills compared to conventional tank water heaters, as they only heat water when needed.

6: What maintenance is required for an all electric tankless water heater?

Regular descaling and cleaning of the unit are recommended to ensure optimal performance and longevity.

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

These units typically last 15 to 20 years with proper maintenance, significantly longer than traditional tank heaters.

Conclusion

Both the Rheem 24kW and 18kW Electric Tankless Water Heaters exemplify cutting-edge technology in efficient water heating solutions. The 24kW model stands out with its superior flow rate, catering to larger households with high-demand needs, ensuring an uninterrupted supply of hot water.

Conversely, the 18kW variant offers an optimal balance of efficiency and compact design, making it ideal for smaller spaces without compromising performance. Each product underscores a commitment to energy conservation and modern convenience, appealing to diverse consumer preferences.