85% of homeowners choose the best on demand hot water heater for energy efficiency.
That’s why the 14kW Tankless Water Heater Electric stands out with its impressive instant heating capabilities.
Few know its compact design saves valuable space while delivering consistent hot water on demand.
Our review covers long-term value vs. rivals, helping you make an informed decision.
ORBEK 14kW Electric Tankless Water Heater
The adjustable valve sets the ORBEK 14kW Tankless Water Heater apart from its competitors, offering precise control over hot water output. Constructed from 316-grade stainless steel, this unit resists corrosion, ensuring durability and longevity. With compact dimensions of 14.2″H x 9.5″L x 3.1″W, it is designed to fit seamlessly into tight spaces.
Key Advantages
- The unit provides an impressive flow rate of up to 3.38 GPM, delivering on-demand hot water for 2-3 points of use simultaneously.
- High energy efficiency is achieved through advanced water-electricity separation, potentially reducing electricity costs by up to 60% compared to traditional tank heaters.
- Comprehensive 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, ensuring stable water temperature within 1°F for a consistent shower experience.
- The LED digital display allows for easy temperature adjustments between 86°F and 140°F, with real-time temperature monitoring.
Limitations
- Not compatible with 120V systems; requires a 240V/60AMP two-pole breaker for installation.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the ORBEK 14kW Tankless Water Heater excels in both performance and safety, making it a valuable addition to any home.
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Stiebel Eltron Tankless Electric Water Heater
The adjustable valve sets the Tankless Water Heater Electric 110V apart, offering precise control over water temperature. Constructed from high-quality ABS material, this compact unit measures 12.2 x 7.5 x 3.5 inches, making it suitable for tight spaces under sinks. With a power output of 3000W, it can raise water temperatures from 82°F (at 0.3 GPM) to 131°F (at 0.5 GPM) almost instantly, fulfilling daily hot water needs without the wait.
Key Advantages
- The 316-grade stainless steel components ensure durability and resistance to corrosion, enhancing the unit’s longevity.
Limitations
- Not compatible with shower installations, as it requires a minimum flow rate of 1.8 GPM for optimal performance.
This electric tankless water heater is best for outdoor enthusiasts needing a reliable and efficient hot water solution for kitchens, bathrooms, RVs, or camping. Its safety features, including IPX4 waterproof rating and automatic power-off mechanisms, provide peace of mind during use. However, users must adhere to the vertical installation requirement to avoid malfunction. Overall, the Tankless Water Heater Electric 110V is a practical choice for those seeking instant hot water without the bulk of traditional tanks.
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EcoSmart ECO 11 Electric Tankless Water Heater
The adjustable valve sets the EcoSmart ECO 11 Electric Tankless Water Heater apart, allowing users to customize their hot water experience with precision. This unit operates at 13KW at 240 volts and is constructed from high-quality materials, including a durable 316-grade stainless steel heating element that resists corrosion. With compact dimensions of 11.5 x 8 x 3.75 inches, it is designed to save space, making it ideal for small installations.
Key Advantages
- Its patented self-modulating technology continuously monitors the water temperature and controls flow rates, ensuring efficiency and consistent performance within 1 degree of the selected temperature.
Limitations
- Not compatible with traditional tank systems, which may limit its use in certain applications.
This model is best for outdoor enthusiasts needing a reliable source of hot water for activities such as camping, or for installations in small bathrooms and office breakrooms. Its energy-efficient design, with a thermal efficiency of 99%, means it only heats water when needed, significantly reducing energy consumption compared to conventional tank heaters. The EcoSmart ECO 11 is an excellent choice for those seeking a compact, efficient, and customizable hot water solution.
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ORBEK 18kW Electric Tankless Water Heater
The adjustable valve sets the ORBEK 18kW Tankless Water Heater apart from its competitors. Designed for indoor installation, this unit measures 17″H x 13.0″L x 3.9″W, making it compact and space-efficient. Constructed from 316-grade stainless steel, it resists corrosion and enhances durability, ensuring a long service life.
Key Advantages
- The heater delivers up to 4.17 GPM of on-demand hot water, accommodating 2-3 fixtures simultaneously. This makes it ideal for households with multiple hot water demands.
- Its high energy efficiency is notable, utilizing water-electricity separation to minimize scale and corrosion, potentially reducing electricity costs by up to 60% compared to traditional tank heaters.
- Advanced safety features include leakage protection, over-temperature protection, and dry-heating protection, all backed by ETL certification for peace of mind.
- The built-in chip maintains stable water temperature within 1°F, ensuring a comfortable shower experience.
- An LED digital display allows for easy temperature adjustments between 86°F and 140°F, providing real-time feedback on water temperature.
Limitations
- Not compatible with traditional tank water heater fittings, requiring specific installation components such as 2 x 240V/40A breakers and 3/4″ NPT water connections.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the ORBEK 18kW Tankless Water Heater excels in performance and safety, making it a worthy investment for modern homes.
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Stiebel Eltron 3000W Electric Tankless Heater
The adjustable valve sets the Tankless Water Heater Electric 110V apart from conventional models. This feature allows users to customize their water temperature settings with precision, ensuring optimal performance for various needs. Constructed from 316-grade stainless steel, this unit resists corrosion, enhancing durability. With dimensions of 15.7 x 11.8 x 6.3 inches, it is compact enough for under-sink installation.
Key Advantages
- The heater’s 3000W power rapidly raises water temperature by 82°F (28°C) at 0.3GPM and 131°F (55°C) at 0.5GPM in just 3-5 seconds, eliminating long wait times.
Limitations
- It is not compatible with 220V outlets, limiting its use to specific electrical setups.
This unit is ideal for outdoor enthusiasts needing instant hot water for cleaning dishes, washing hands, or preparing food while camping or in RVs. Its lightweight, wall-mounted design frees up valuable space in kitchens and bathrooms, making it a practical choice for small living areas. Additionally, the heater includes multiple safety features such as IPX4 waterproofing and dry-burning protection, ensuring reliable operation. Overall, the Tankless Water Heater Electric 110V is a robust solution for anyone seeking efficient, on-demand hot water.
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Faq about best on demand hot water heater:
1:What is an on-demand hot water heater?
An on-demand hot water heater, also known as a tankless water heater, heats water directly without a storage tank, providing hot water only as needed.
2:What are the benefits of using an on-demand hot water heater?
Benefits include energy efficiency, continuous hot water supply, space-saving design, and reduced risk of tank leaks.
3:How do I choose the best on-demand hot water heater?
Consider factors such as flow rate, energy source (gas or electric), efficiency ratings, and installation requirements to find the best fit for your needs.
4:Are on-demand hot water heaters energy efficient?
Yes, they are generally more energy-efficient than traditional tank heaters, as they only heat water when needed, reducing standby energy loss.
5:What is the lifespan of an on-demand hot water heater?
Typically, an on-demand hot water heater lasts between 15 to 20 years, depending on usage and maintenance.
6:Can I install an on-demand hot water heater myself?
While some homeowners may attempt DIY installation, professional installation is recommended to ensure safety and compliance with local codes.
Conclusion
Both the ORBEK 14kW Electric Tankless Water Heater and the Stiebel Eltron Tankless Electric Water Heater exemplify the pinnacle of efficiency and innovation in modern hot water solutions. The ORBEK model stands out for its robust performance and compact design, making it ideal for residential applications.
Conversely, the Stiebel Eltron offers unparalleled reliability and advanced technology, ensuring a consistent and comfortable supply of hot water. Together, these products highlight the transformative potential of tankless systems, catering to diverse consumer needs while promoting sustainability.