best electric tankless water heater for large family – which one surprises?
Frustrated with running out of hot water? The best electric tankless water heater for large family meets your needs instantly.
The **Rheem RTEX-24** is perfect for *large family* demands, delivering reliable hot water on demand for multiple outlets.
Plus, its compact design saves space while providing efficient heating, making it a smart choice for any home.
We tested durability, ease of use, and more to ensure you get the best performance for your family’s needs.


ORBEK 14kW Electric Tankless Water Heater
Tired of waiting for hot water and dealing with bulky tanks? The Orbek 14kW Tankless Water Heater solves these issues with its on-demand hot water supply feature. This unit provides up to 3.38 GPM of endless hot water, ensuring you never run out even during peak usage times.
Why It Works
- Instant hot water means no more waiting for the tank to fill up.
- High energy efficiency reduces electricity costs by up to 60%, making it a smart choice for your wallet.
- Stable temperature control keeps your water within 1°F, enhancing your shower experience.
- Comprehensive security protection ensures safety with features like leakage and over-temperature protection.
Trade-offs
- Premium price compared to traditional heaters, but the long-term savings and convenience justify it.
The Orbek 14kW Tankless Water Heater is compact, making installation a breeze even in tight spaces. With its LED digital display, adjusting the temperature is straightforward. This unit is perfect for families or anyone who values efficiency and reliability in their hot water supply. If you prioritize hot water availability and energy savings, this heater is worth the investment for frequent users.
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Rheem 18kW Tankless Electric Water Heater
Tired of running out of hot water during a shower? The Rheem 18kW 240V Tankless Electric Water Heater fixes it with its advanced self-modulation feature that adjusts power to meet your hot water demand. This means you can enjoy continuous hot water without worrying about depleting your supply.
Why It Works
- Flow Rate of up to 4.4 GPM ensures that even large families can enjoy simultaneous hot water use without interruptions.
- Durable Copper immersion heating elements provide reliable performance and longevity, reducing the risk of breakdowns.
- External digital thermostatic control with LED display allows for precise temperature adjustments, ensuring your water is always at the perfect temperature.
- Simple installation with bottom 3/4 inch NPT water connections makes it easy to replace, saving time and effort.
Trade-offs
- Premium price compared to traditional water heaters, but it offers long-term savings on energy bills and eliminates the need for a bulky tank.
Overall, the Rheem 18kW Tankless Water Heater is worth it for frequent users who need consistent hot water availability. Its advanced features and efficient performance make it an excellent investment for any large family looking to improve their hot water experience.
To buy this product, click here.
Rheem 24kW Electric Tankless Water Heater
Tired of running out of hot water during your family’s morning rush? The Rheem RTEX-24 Electric Tankless Water Heater fixes it with its continuous hot water supply. This unit ensures that everyone in your home can enjoy a hot shower without the dreaded cold splash.
Why It Works
- Proven performance provides consistent hot water tailored to your geographic location, ensuring optimal temperature rise and flow rate for your needs.
- Easily adjustable ON/OFF dial control with a digital display allows you to set temperatures in 1-degree increments, accommodating everyone’s preferences.
- Efficient design saves space, energy, and money, making it a smart choice for large families.
Trade-offs
- Electrical requirements can be demanding, needing 3 x 40 AMP double pole breakers, which may require an upgrade to your home’s electrical system.
- Premium price compared to traditional tank heaters, but the long-term savings on energy bills and the convenience of endless hot water make it worthwhile.
Worth it for frequent users and families who value reliable hot water. If you can meet the electrical requirements, the Rheem RTEX-24 is a powerful, efficient solution to your hot water needs.
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EcoSmart ECO 11 Electric Tankless Water Heater
Tired of running out of hot water during your showers? The EcoSmart ECO 11 Electric Tankless Water Heater fixes it with its patented self-modulating technology, providing endless on-demand hot water whenever you need it.
Why It Works
- Consistent performance ensures that the water temperature stays within 1 degree of your selected setting, preventing those dreaded cold bursts mid-shower.
- Space-saving design is 90% smaller than traditional tank heaters, making it perfect for tight spaces or wall mounting.
- Energy efficiency means it only heats water when needed, saving you money on your energy bills compared to conventional heaters that continuously maintain temperature.
Trade-offs
- Premium price compared to traditional tank heaters, but its longevity and efficiency make it a worthwhile investment over time.
- Limited flow rate of 1.3 to 3.1 gallons per minute means it may not be suitable for large families needing multiple hot water sources simultaneously.
Overall, the EcoSmart ECO 11 is worth it for frequent users who value efficiency and convenience. If you need reliable hot water without the bulk of a traditional tank, this unit delivers exceptional performance and energy savings.
To buy this product, click here.
WINTEMP 27kW Electric Tankless Water Heater
Tired of running out of hot water during your showers? The WINTEMP 27kW Electric Tankless Water Heater solves this problem with its on-demand hot water supply. With a maximum output of 6.5 gallons per minute, you can enjoy continuous hot water without the frustrating wait for preheating.
Why It Works
- Stable Water Temperature ensures you won’t experience temperature fluctuations, providing a consistently comfortable shower experience.
- Energy Saving technology reduces power consumption based on real-time usage, potentially cutting your electricity costs by up to 60% compared to traditional tank heaters.
- Space Saving design occupies 90% less space than conventional units, making it perfect for tight areas in your home.
- WiFi Control allows you to adjust the temperature remotely, adding convenience to your daily routine.
- Safety Features like leakage and overheat protection give you peace of mind while using hot water.
Trade-offs
- Premium Price compared to traditional heaters, but its long-term energy savings and efficiency justify the investment.
Overall, the WINTEMP 27kW Electric Tankless Water Heater is worth it for frequent users seeking a reliable, efficient, and space-saving solution for their hot water needs. Enjoy endless hot water and significant energy savings with this innovative product.
To buy this product, click here.
Faq about best electric tankless water heater for large family:
1: What is the best electric tankless water heater for a large family?
The best electric tankless water heater for a large family typically has a high flow rate, such as the Rinnai RUR199iN or the EcoSmart ECO 27, to meet multiple hot water demands simultaneously.
2: How do I choose the right size tankless water heater?
Choose the size based on your family’s peak hot water usage. Calculate the total flow rate needed by adding up the flow rates of all fixtures used at once.
3: Are electric tankless water heaters energy-efficient?
Yes, electric tankless water heaters are energy-efficient, as they heat water on demand, reducing energy waste associated with traditional storage tanks.
4: What is the lifespan of an electric tankless water heater?
Electric tankless water heaters typically last 15 to 20 years with proper maintenance, which is longer than traditional tank heaters.
5: Do electric tankless water heaters require special installation?
Yes, they may require specific electrical requirements and professional installation to ensure safety and efficiency.
Conclusion
The ORBEK 14kW Electric Tankless Water Heater exemplifies efficiency and performance, catering seamlessly to the demands of large households with its rapid heating capabilities and compact design. Its user-friendly interface and reliability make it a commendable choice for those seeking uninterrupted hot water supply.
Conversely, the Rheem 18kW Tankless Electric Water Heater stands out for its superior power output and advanced technology, ensuring consistent temperature control and energy savings. Together, these products epitomize the pinnacle of modern water heating solutions, addressing both convenience and sustainability for expansive family needs.





