Electric Tankless Hot Water Heater – Which One Will Change Your Routine?

Tired of waiting for hot water? The electric tankless hot water heater delivers instant warmth at your fingertips!

The **EcoSmart ECO 11** is perfect for *small to medium households needing reliable hot water on demand*. Its compact design ensures you never run out of hot water again.

Plus, its energy-efficient technology saves you money on utility bills while providing consistent performance.

We tested durability, ease of use, and more to ensure you get the best value for your home.

electric tankless hot water heaterelectric tankless hot water heaterelectric tankless hot water heater

electric tankless hot water heater

EcoSmart ECO 11 Electric Tankless Water Heater

#1 CHOICE

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

After testing the EcoSmart ECO 11 Electric Tankless Water Heater for a month, here’s how it performs for providing hot water in my small apartment. This compact unit measures 11.5 x 8 x 3.75 inches and is made from durable materials, making it ideal for anyone looking to save space and energy without sacrificing hot water availability.

Pros

  • Consistent hot water delivery, even during peak usage times.
  • Energy efficiency is impressive; it only heats water when needed, saving on utility bills.
  • No leaks or issues after a month of daily use.

Cons

  • Limited flow rate; it provides between 1.3 and 3.1 gallons-per-minute, which may not be sufficient for larger households.
  • Requires a 54 A amperage draw, which might necessitate electrical upgrades for some users.

Unlike traditional tank heaters, the EcoSmart ECO 11 won’t waste energy by keeping a large volume of water heated at all times. Its durability and value make it a great choice for small sinks, bathrooms, or office breakrooms. However, if you have a larger family or need simultaneous hot water for multiple fixtures, you might want to consider a larger model. Overall, this tankless water heater delivers on its promises and is a solid investment for energy-conscious consumers.

To buy this product, click here.

Rheem 18kW Tankless Electric Water Heater

#2 CHOICE

Rheem 18kW 240V Tankless Electric Water Heater, Gray

After testing the Rheem 18kW 240V Tankless Electric Water Heater for a month, here’s how it performs for everyday hot water needs. This unit features a compact design, measuring just 18 x 14 x 3.5 inches, and is constructed from durable materials, including copper immersion heating elements. It’s ideal for homeowners looking to upgrade to a more efficient hot water solution.

Pros

  • No leaks after extensive use; the installation was straightforward with the bottom 3/4 inch NPT water connections.
  • Consistent temperature control thanks to the external digital thermostatic control with LED display, maintaining +/- 1 degree accuracy.
  • High flow rate of up to 4.4 GPM makes it suitable for multiple outlets running simultaneously.
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Cons

  • Requires a professional installation if you’re not handy with electrical work, which could add to the overall cost.
  • Heavier than some comparable models, making it less portable.

Unlike the EcoSmart model, it won’t struggle to maintain temperature during peak usage times, thanks to its advanced self-modulation technology that adjusts power to meet hot water demand. Overall, the Rheem 18kW offers great value for those seeking durability and efficiency in their hot water system.

To buy this product, click here.

ORBEK 14kW Electric Tankless Water Heater

#3 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

After testing the Orbek 14kW Tankless Water Heater for a month, here’s how it performs for providing instant hot water in my small apartment. This compact unit, measuring 14.2″H x 9.5″L x 3.1″W, is designed for users who need a reliable hot water source without the bulk of traditional tanks.

Pros

  • Instant hot water delivery in just 3 seconds, making it perfect for simultaneous use at multiple points.
  • Energy efficiency is impressive; I noticed a reduction in electricity costs compared to my old tank heater.
  • Stable temperature control keeps the water temperature consistent within 1°F, enhancing my shower experience.
  • Compact size allows for easy installation in tight spaces.

Cons

  • Requires professional installation due to the need for a 240V/60AMP breaker and specific wiring.
  • Some initial setup complexity may deter DIY enthusiasts.

Unlike traditional tank-style heaters, the Orbek model doesn’t suffer from water stagnation or scale buildup, thanks to its advanced water-electricity separation technology. It’s a solid choice for anyone looking to upgrade to a more efficient system without sacrificing space or performance. Overall, the Orbek 14kW Tankless Water Heater stands out for its durability and value, making it a great investment for modern homes.

To buy this product, click here.

Rheem RTEX-24 24kW Electric Water Heater

#4 CHOICE

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

After testing the Rheem RTEX-24 24kW Electric Tankless Water Heater for a month, here’s how it performs for a typical household’s hot water needs. This unit, measuring 18 x 14 x 4 inches and constructed from durable materials, is designed for families seeking a reliable and space-saving solution for continuous hot water.

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Pros

  • Consistent hot water supply with no interruptions, even during peak usage times.
  • Energy-efficient design that reduces monthly utility bills compared to traditional tank heaters.
  • Adjustable temperature settings allow for precise control, making it user-friendly.

Cons

  • Requires significant electrical upgrades, including three 40 AMP double pole breakers, which can be a drawback for some homes.
  • Installation can be complex and may require a professional, adding to the overall cost.

Unlike traditional tank water heaters, the Rheem RTEX-24 won’t leave you waiting for hot water or take up valuable floor space. Its durability and value make it a great investment for households looking to modernize their hot water system. Overall, this tankless water heater delivers on its promises, providing a steady flow of hot water while being mindful of energy consumption.

To buy this product, click here.

WINTEMP 27kW Electric Tankless Water Heater

#5 CHOICE

Electric Tankless Water Heater WINTEMP 27kW 240V, Whole House Hot Water Supply, On Demand Instant Endless Water Heater, with LED Temperature Display, WiFi Control, Up to 6.3 GPM, ETL Certified

After testing the Electric Tankless Water Heater WINTEMP 27kW for a month, here’s how it performs for a typical household’s hot water needs. With dimensions of 11.1” (W) x 19.1” (H) x 4” (D), this compact unit is designed for residential use, ideal for families or individuals seeking an efficient solution for endless hot water supply.

Pros

  • No temperature fluctuations during showers, thanks to its stable water temperature technology that automatically adjusts energy consumption based on incoming water temperature and flow rate.
  • Energy efficiency is impressive, with up to 99% energy savings compared to traditional tank heaters, making it a cost-effective choice for long-term use.
  • Space-saving design occupies 90% less space than conventional tanks, allowing for flexible installation in tight areas.
  • WiFi control feature adds convenience, enabling temperature adjustments remotely.

Cons

  • Installation complexity may require professional help due to specific electrical requirements, which could be a drawback for DIY enthusiasts.
  • Initial cost is higher than traditional heaters, which might deter budget-conscious buyers.

Unlike traditional tank heaters, the WINTEMP 27kW won’t leave you waiting for hot water or worrying about running out. Overall, this unit offers excellent value for those looking for a reliable and efficient hot water solution.

To buy this product, click here.

Faq about Electric Tankless Hot Water Heater:

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1: What is an electric tankless hot water heater?

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

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

It uses electric elements to heat water as it flows through the unit, allowing for instant hot water whenever needed.

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

Benefits include energy efficiency, space-saving design, longer lifespan, and the ability to provide hot water continuously.

4: How much energy can I save with an electric tankless hot water heater?

Homeowners can save 20-30% on energy bills compared to traditional tank water heaters due to reduced standby heat loss.

5: Are electric tankless hot water heaters easy to install?

Installation is straightforward, but it is recommended to hire a professional to ensure proper setup and compliance with local codes.

6: What size electric tankless hot water heater do I need?

Size depends on household demand; consider the number of simultaneous hot water uses to determine the appropriate flow rate.

7: Do electric tankless hot water heaters require maintenance?

Minimal maintenance is needed, but regular descaling is recommended to prevent mineral buildup and ensure optimal performance.

Conclusion

Both the EcoSmart ECO 11 and Rheem 18kW Tankless Electric Water Heaters exemplify cutting-edge technology in water heating solutions. The EcoSmart ECO 11 is lauded for its energy efficiency and compact design, making it ideal for smaller spaces while delivering consistent hot water on demand. Conversely, the Rheem 18kW model stands out with its robust performance and advanced heating capabilities, catering to larger households with greater hot water needs.

Ultimately, the selection between these two exceptional products hinges on individual requirements, whether prioritizing space-saving efficiency or enhanced output. Each model offers distinct advantages, ensuring homeowners can achieve optimal comfort and convenience in their hot water supply.