best tankless water heaters
Transform your hot water experience with the best tankless water heaters, delivering endless hot water on demand!
When it comes to efficient hot water solutions, the Rheem 18kW 240V Tankless Electric Water Heater and EcoSmart ECO 11 stand out. These heaters provide instant hot water while saving energy, making them perfect for modern homes. With their compact designs, they fit seamlessly into any space.
Ideal for various applications, these tankless water heaters boast features like self-modulating technology and high flow rates. They ensure consistent hot water supply for multiple outlets, making them versatile for families and businesses alike.
In this review, you’ll learn about their key benefits, performance comparisons, and how to choose the right tankless water heater for your needs. Get ready to enjoy endless hot water with the best options available.
Rheem 18kW Electric Tankless Water Heater
The Rheem 18kW 240V Tankless Electric Water Heater stands out with its external digital thermostatic control, featuring an LED display that provides +/- 1 degree accuracy. This precision ensures optimal temperature management, catering to varying hot water demands efficiently. Constructed with durable copper immersion heating elements, this unit is designed for longevity and is field serviceable, enhancing its reliability over time. With dimensions that allow for simple installation, it features bottom 3/4 inch NPT water connections for easy setup.
Key Advantages
- The self-modulation technology intelligently adjusts the power output to match the hot water demand, ensuring energy efficiency and consistent performance.
Limitations
- Not compatible with traditional tank water heaters, which may require additional adjustments for existing plumbing systems.
This unit delivers a flow rate of up to 4.4 GPM, making it suitable for medium-sized households. Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rheem 18kW is ideal for those who prioritize performance and durability in their hot water systems. Its advanced features and ease of installation make it a standout choice among the best tankless water heaters available today.
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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. This unit operates at 13KW and 240 volts, making it ideal for various low-flow applications. Constructed with high-quality materials, it measures 11.5 x 8 x 3.75 inches, allowing for versatile installation options, whether mounted on a wall or used at the point of demand.
Key Advantages
- Energy Efficiency: With a 99% thermal energy efficiency rating, the EcoSmart ECO 11 only heats water when needed, significantly reducing energy consumption compared to traditional tank heaters.
Limitations
- Not compatible with larger households or simultaneous high-demand applications, as it provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature.
In summary, the EcoSmart ECO 11 is best suited for outdoor enthusiasts and small households needing a compact and efficient solution for hot water. Its innovative features and space-saving design make it a practical choice for users looking to minimize energy costs while ensuring a reliable supply of hot water.
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ORBEK 14kW Electric Tankless Water Heater
The adjustable valve sets the Orbek 14kW Tankless Water Heater apart from its competitors. This electric unit operates at 240 volts and is designed to deliver an impressive flow rate of up to 3.38 gallons per minute (GPM), making it suitable for 2-3 points of use simultaneously. Constructed from high-quality materials, it features a compact size of 14.2″H x 9.5″L x 3.1″W, allowing for easy installation in tight spaces.
Key Advantages
- The use of **316-grade stainless steel** resists corrosion, enhancing the unit’s longevity.
- High energy efficiency is achieved through water-electricity separation, potentially reducing electricity costs by up to 60% compared to traditional tank-style heaters.
- Advanced safety features include leakage protection, over-temperature protection, and dry-heating protection, all backed by ETL certification.
- The built-in chip adjusts heating power 20,000 times per second, maintaining a stable water temperature within 1°F.
- An LED digital display provides real-time temperature adjustments between 86°F and 140°F.
Limitations
- Not compatible with 120V systems, which may limit its use in some homes.
This tankless water heater is best for outdoor enthusiasts needing reliable, on-demand hot water for multiple applications, ensuring comfort and efficiency in any setting.
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Rheem 11kW Tankless Electric Water Heater
The adjustable valve sets the Rheem 11kW 240V Tankless Electric Water Heater apart from its competitors, allowing for precise temperature control to suit various needs. This model features a self-modulating power control system, ensuring optimal energy efficiency and consistent performance. With a flow rate of up to 2.68 GPM, it provides ample hot water for multiple outlets simultaneously. Constructed from durable materials, this unit incorporates a 316-grade stainless steel heat exchanger, which resists corrosion and enhances longevity. The dimensions are compact, making it suitable for installation in tight spaces.
Key Advantages
- The self-modulating power control adjusts energy usage based on demand, resulting in lower utility bills.
Limitations
- Not compatible with traditional tank water heaters, which may require additional plumbing modifications.
Best for outdoor enthusiasts needing a reliable source of hot water for showers, dishwashing, or cleaning tasks in remote locations, the Rheem 11kW 240V Tankless Electric Water Heater delivers high performance in a compact design. Its advanced features make it an excellent choice for those seeking efficiency and reliability in their hot water solutions.
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Rheem RTEX-24 24kW Electric Water Heater
The adjustable valve sets the Rheem RTEX-24 24kW 240V Electric Tankless Water Heater apart from competitors in the market. This unit features a compact design, measuring 18.5 x 14.5 x 4.5 inches and constructed from durable 316-grade stainless steel, ensuring long-lasting performance and resistance to corrosion. It requires three 40 AMP double pole breakers and is best suited for homes with a 200 AMP service to accommodate its electrical demands.
Key Advantages
- The continuous hot water feature allows for uninterrupted supply, making it ideal for households with high demand. The easily adjustable ON/OFF dial control with a digital display enables precise temperature control in 1-degree increments from 80 to 140 degrees F, catering to various user preferences.
Limitations
- It is not compatible with traditional tank water heaters, which may limit integration in homes with existing systems.
Best for outdoor enthusiasts needing reliable hot water for showers and cleaning while camping or for homeowners seeking an efficient solution for their residential hot water needs. The Rheem RTEX-24 excels in performance and efficiency, making it a top choice for those prioritizing space and energy savings.
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Faq about best tankless water heaters:
1:What is a tankless water heater?
A tankless water heater heats water on demand without storing it in a tank, providing hot water instantly and efficiently.
2:What are the benefits of tankless water heaters?
Benefits include energy efficiency, endless hot water supply, space-saving design, and longer lifespan compared to traditional heaters.
3:How do I choose the best tankless water heater?
Consider factors like flow rate, energy efficiency ratings, fuel type (gas or electric), and your household’s hot water needs.
4:Are tankless water heaters more expensive?
Initial costs are higher than traditional heaters, but savings on energy bills and longer lifespan can offset the investment over time.
5:Do tankless water heaters require maintenance?
Yes, regular maintenance, such as descaling and checking filters, is necessary to ensure optimal performance and longevity.
6:Can I install a tankless water heater myself?
While DIY installation is possible for some, professional installation is recommended for safety and compliance with local codes.
7:What is the lifespan of a tankless water heater?
Tankless water heaters typically last 15 to 20 years with proper maintenance, significantly longer than traditional tank heaters.
Conclusion
The Rheem 18kW Electric Tankless Water Heater exemplifies efficiency and reliability, delivering consistent hot water while optimizing energy consumption. Its advanced technology ensures a seamless experience, making it a top choice for discerning homeowners.
Conversely, the EcoSmart ECO 11 Electric Tankless Water Heater stands out for its compact design and impressive performance, providing an eco-friendly solution without sacrificing power. Together, these products embody the pinnacle of modern water heating solutions, catering to diverse needs with unparalleled sophistication.