False
If you’re looking for an efficient way to get instant hot water, electric tankless water heaters could be your answer. These units offer compact designs and high thermal efficiencies, making them a smart choice for any home. However, with so many options available, it can be tough to know which one to choose. Let’s explore the top models and what features you should keep in mind before making your decision.
APUS 18kW Electric Tankless Water Heater
The APUS 18kW Electric Tankless Water Heater is the perfect choice for eco-conscious households that demand efficiency and convenience. With a powerful 18kW output, you’ll enjoy up to 4.4 GPM, perfect for simultaneous showers or laundry. Its LED display allows for precise temperature adjustments between 86°F and 140°F. You’ll appreciate its 99.8% thermal efficiency, cutting energy bills by up to 60% with zero standby heat loss. The ultra-slim design saves space, and the advanced safety features guarantee reliable performance. Plus, the built-in memory retains your settings, making it user-friendly and dependable for your family’s hot water needs.
Best For: Eco-conscious households seeking an efficient, space-saving solution for on-demand hot water needs.
Pros:
- 99.8% thermal efficiency helps significantly reduce energy bills and waste.
- Ultra-slim design saves up to 90% more space compared to traditional tank heaters.
- Advanced safety features ensure long-term reliability and peace of mind for users.
Cons:
- Initial installation cost may be higher than traditional water heaters.
- Requires 240V electrical connection, which may necessitate upgrades for some homes.
- Limited hot water output (up to 4.4 GPM) may not suffice for larger households with simultaneous high demand.
WINTEMP 18kW Electric Tankless Water Heater
If you’re looking for an efficient solution to your hot water needs, the WINTEMP 18kW Electric Tankless Water Heater stands out as an excellent choice. This on-demand heater delivers a maximum output of 4.3 GPM, ensuring you enjoy endless hot water without the wait. Its compact, wall-mounted design saves valuable space and is perfect for tight areas. With features like an LED temperature display and WiFi control, you can manage your water temperature easily. Plus, its self-regulating technology achieves up to 99% energy savings, making it more efficient than traditional tank heaters. Enjoy peace of mind with multiple safety protections and a solid warranty.
Best For: Homeowners looking for an energy-efficient, space-saving solution to provide endless hot water for multiple uses.
Pros:
- Compact design saves up to 90% more space compared to traditional tank heaters.
- Energy-efficient operation with up to 99% energy savings and no electricity consumption when not in use.
- User-friendly features such as LED temperature display and WiFi control for easy management.
Cons:
- Requires professional installation due to specific electrical requirements (75A and dual breakers).
- May not be suitable for households with high simultaneous hot water demand exceeding 4.3 GPM.
- Limited warranty period of 2 years may be shorter compared to some other products on the market.
SIVUATEK 14kW Electric Tankless Water Heater
For homeowners seeking an efficient and compact solution for on-demand hot water, the SIVUATEK 14kW Electric Tankless Water Heater stands out. This model delivers instant hot water with a self-modulating feature that guarantees peak performance, making it perfect for 1-2 points of use, like your kitchen and bathroom. It requires just a 60-amp circuit breaker for installation and fits snugly under-sink or on-wall. With up to 99% thermal efficiency and no standby energy loss, it cuts your water heating costs by up to 60%. Plus, smart temperature controls and advanced safety features keep your family protected.
Best For: Homeowners looking for an efficient and space-saving solution for instant hot water needs in kitchens or bathrooms.
Pros:
- Energy-efficient design reduces water heating costs by up to 60% compared to traditional models.
- Compact size allows for flexible installation options, either under-sink or mounted on the wall.
- Smart temperature control with an LED display ensures precise adjustments and maintains stable hot water temperature.
Cons:
- Requires a 60-amp circuit breaker, which may necessitate electrical upgrades in some homes.
- Limited to providing hot water for 1-2 points of use simultaneously, which may not suffice for larger households.
- Initial installation cost may be higher compared to traditional water heaters.
Stiebel Eltron Tempra 20 Trend Tankless Water Heater
Looking for an efficient solution to endless hot water? The Stiebel Eltron Tempra 20 Trend Tankless Water Heater might be your answer. This compact, wall-mounted unit delivers unlimited hot water with an output temperature ranging from 68°F to 140°F. With a power output of 19.2 kW and a maximum flow rate of 2.01 gallons per minute, it meets your demands effortlessly. Its intelligent self-modulating technology guarantees energy efficiency, while the sleek design blends seamlessly into any space. Plus, with a 7-year leakage warranty, you can enjoy peace of mind. Join the satisfied customers who rate it 4.5 out of 5 stars!
Best For: Homeowners seeking an efficient, space-saving solution for unlimited hot water needs.
Pros:
- Unlimited hot water: Provides continuous flow without interruptions.
- Energy efficient: Intelligent self-modulating technology minimizes energy consumption.
- Compact design: Wall-mounted and sleek, fitting easily into various spaces.
Cons:
- Installation requirements: May require professional installation for optimal performance.
- Flow rate limitations: Maximum flow rate of 2.01 GPM may not be sufficient for larger households with multiple simultaneous uses.
- Electric reliance: Dependent on electricity, which could be a drawback in areas with frequent power outages.
Rheem 18kW 240V Tankless Electric Water Heater, Gray
The Rheem 18kW 240V Tankless Electric Water Heater stands out for homeowners seeking efficiency and reliability in their hot water supply. With a flow rate of up to 4.4 GPM, it’s perfect for meeting your household’s demands. The external digital thermostatic control with LED display guarantees precise temperature adjustments, while the self-modulation technology adapts power usage based on need. Installation is straightforward with 3/4 inch NPT connections, and maintenance is a breeze thanks to field serviceable components. Plus, the durable copper heating elements promise longevity, making this unit a smart investment for consistent hot water access.
Best For: Homeowners looking for an efficient and reliable tankless electric water heater to meet their hot water needs.
Pros:
- External digital thermostatic control with LED display allows for precise temperature adjustments.
- Self-modulation technology optimizes energy usage by adjusting power based on hot water demand.
- Durable copper heating elements ensure longevity and consistent performance.
Cons:
- Initial installation costs may be higher compared to traditional water heaters.
- Requires adequate electrical supply to function effectively, which may necessitate upgrades in some homes.
- Flow rate may not suffice for larger households with simultaneous high-demand hot water needs.
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
With a remarkable flow rate of 5.9 gallons per minute, the Rheem RTEX-24 24kW Electric Tankless Water Heater is perfect for homeowners seeking efficient, on-demand hot water. This compact unit measures just 17.63W x 18.25H x 3.5 inches and boasts an impressive efficiency rating of 99.8%. You can easily adjust the temperature from 80 to 140 degrees Fahrenheit using the ON/OFF dial control with a digital display. It requires three 40 AMP breakers and a 200 AMP household service, ensuring you have enough power. Plus, its space-saving design eliminates standby heat loss, saving you money.
Best For: Homeowners seeking an efficient, space-saving solution for on-demand hot water needs.
Pros:
- High Efficiency: Operates at 99.8% efficiency, reducing energy costs.
- Compact Design: Takes up significantly less space compared to traditional water heaters.
- Adjustable Temperature Control: Allows for precise temperature settings from 80 to 140 degrees Fahrenheit.
Cons:
- Electrical Requirements: Requires a substantial electrical setup with three 40 AMP breakers.
- Limited Flow Rate: While 5.9 GPM is adequate for many households, larger homes may require higher flow rates.
- Initial Installation Cost: Installation may involve additional costs, especially if electrical upgrades are needed.
EcoSmart ECO 11 Electric Tankless Water Heater
For anyone seeking a compact and efficient solution for hot water needs, the EcoSmart ECO 11 Electric Tankless Water Heater stands out with its patented self-modulating technology. This unit delivers endless on-demand hot water, maintaining a consistent temperature within one degree of your selected setting. It produces 1.3 to 3.1 gallons-per-minute based on inlet water temperature, making it perfect for bathrooms and small sinks. With a remarkable 99% thermal energy efficiency, it only heats water when you need it, saving you energy. Plus, its space-saving design is 90% smaller than traditional heaters, allowing for easy installation in tight spaces.
Best For: Individuals and small families seeking an energy-efficient, compact hot water solution for low-flow applications like bathrooms and office breakrooms.
Pros:
- 99% thermal energy efficiency reduces energy costs by heating water only when needed.
- Endless on-demand hot water ensures a consistent temperature for various applications.
- Space-saving design allows for versatile installation in tight spaces, being 90% smaller than traditional tank heaters.
Cons:
- Limited flow rate may not be sufficient for larger households with high hot water demands.
- Requires proper electrical setup, which may necessitate professional installation.
- Performance can be affected by very low inlet water temperatures, potentially reducing flow rate.
SIVUATEK 14kW Electric Tankless Water Heater
Looking for an efficient solution for instant hot water? The SIVUATEK 14kW Electric Tankless Water Heater is your answer. This compact unit delivers on-demand hot water, making it perfect for 1-2 points of use, like your kitchen and bathroom. With a quick installation process, you won’t need to disassemble any housing. Its impressive 14kW heating power boasts up to 99% thermal efficiency, cutting your water heating costs by up to 60% compared to traditional heaters. Enjoy smart temperature control, adjustable from 86°F to 131°F, and safety features that guarantee reliable performance without the risk of overheating or leaks.
Best For: Homeowners seeking an energy-efficient solution for instant hot water in kitchens and bathrooms with minimal installation hassle.
Pros:
- Energy efficient: Reduces water heating costs by up to 60% compared to traditional heaters.
- Compact design: Flexible installation options, whether under-sink or on-wall.
- Endless hot water: Provides instant hot water on demand, ideal for simultaneous use.
Cons:
- Installation requirements: Needs a dedicated 60-amp circuit breaker which may require additional electrical work.
- Limited flow rate: Best suited for 1-2 points of use, may struggle with larger demand.
- Electric dependence: Requires a stable electrical supply, which may not be suitable in areas with frequent power outages.
ORBEK 14kW Electric Tankless Water Heater
The ORBEK 14kW Electric Tankless Water Heater stands out as an excellent choice for families seeking reliable and efficient hot water on demand. With a capacity of up to 3.38 GPM, it easily supports 2-3 points of use simultaneously. This unit heats water in just 3 seconds, cutting energy costs by up to 60% compared to traditional heaters. Its advanced safety features, including over-temperature and leakage protection, guarantee peace of mind. Enjoy precise temperature control with the LED display, and appreciate the compact design that saves space. Installation is straightforward, backed by professional support for long-term satisfaction.
Best For: Families looking for an efficient and reliable hot water solution that can handle multiple points of use simultaneously.
Pros:
- High energy efficiency reduces electricity costs by up to 60% compared to traditional tank heaters.
- Advanced safety features ensure reliable operation and peace of mind.
- Compact design saves space and allows for easy installation in various settings.
Cons:
- Requires a specific electrical setup (240V/60AMP) which may necessitate professional installation.
- Limited flow rate of 3.38 GPM may not be sufficient for larger households with high simultaneous hot water demands.
- Initial investment may be higher than traditional tank-style water heaters.
36kW Tankless Electric Water Heater with WiFi Control
If you need a reliable and efficient solution for your hot water needs, the 36kW Tankless Electric Water Heater with WiFi Control stands out as an excellent choice. With a maximum output of 8.7 GPM, this compact unit guarantees instant on-demand hot water without any preheating wait time. Its self-regulating technology offers up to 99% energy savings, making it perfect for 3-5 usage points in your home. Plus, the wall-mounted design saves space while the WiFi control allows for convenient temperature adjustments. Safety features like leakage and overheat protection assure worry-free usage, backed by a 2-year warranty and professional support.
Best For: Homeowners seeking an efficient, space-saving solution for instant hot water across multiple usage points.
Pros:
- Instant on-demand hot water with no waiting time.
- Up to 99% energy savings with self-regulating technology.
- Compact wall-mounted design saves significant space.
Cons:
- Requires a substantial electrical setup, including a 300A power supply.
- Installation may require professional assistance due to wiring and breaker requirements.
- Limited to 3-5 usage points, which may not suffice for larger households.
Factors to Consider When Choosing an Electric Tankless Water Heater
When choosing an electric tankless water heater, you’ll want to contemplate several key factors. Flow rate capacity, energy efficiency ratings, and installation requirements can all impact your experience. Additionally, safety features and temperature control options play an essential role in ensuring you get the best unit for your needs.
Flow Rate Capacity
Choosing the right flow rate capacity for your electric tankless water heater is vital for meeting your household’s hot water demands. Flow rates are measured in gallons per minute (GPM), indicating how much hot water can be delivered at once. If you have multiple fixtures in use, like showers and appliances, opt for higher flow rates. Most heaters offer capacities between 2.0 and 5.9 GPM, with premium models supporting more simultaneous uses. It’s important to match the flow rate to your home’s specific needs, considering how many fixtures might be active at once. Also, remember that incoming water temperature affects flow rate; colder water can lower GPM outputs, so take your local climate into account when making your choice.
Energy Efficiency Ratings
While selecting an electric tankless water heater, energy efficiency ratings play an essential role in your decision-making process. Most electric models achieve ratings of 99% or higher, markedly cutting down energy consumption compared to traditional tank heaters. Many units feature self-modulating technology that adjusts power output based on hot water demand, optimizing efficiency and minimizing waste. By heating water on demand, these heaters eliminate standby heat loss, potentially saving you up to 60% on energy bills. Additionally, advanced features like digital temperature controls allow for precise adjustments, enhancing efficiency further. When choosing a unit, remember to take into account the flow rate in gallons per minute (GPM), as higher flow rates can impact overall energy efficiency based on your usage patterns.
Installation Requirements
Before you plunge into selecting an electric tankless water heater, it’s crucial to understand the installation requirements. Most models need specific electrical configurations, including dedicated circuit breakers—typically 40-75 Amp double-pole breakers. Confirm your home’s wiring meets gauge standards; higher wattage units often require 8/2 AWG cables with ground for peak performance. Additionally, check that your electrical system can support a 240V supply and the heater’s amperage demands. Installation involves standard water connections, like 3/4 NPT or 1/2 NPT fittings, so verify compatibility with your existing plumbing. Finally, the compact design allows for wall-mounted setups, but make certain there’s adequate ventilation and accessibility for future maintenance and adjustments.
Safety Features Offered
After ensuring your electric tankless water heater meets installation requirements, it’s time to contemplate safety features that can enhance your overall experience. Many models come equipped with multiple safety protections like leakage protection, overheat protection, and dry-fire protection, which help prevent accidents. Look for advanced water-electricity separation technology to minimize corrosion and scale buildup, boosting longevity. Self-modulating technology is another great feature; it maintains stable temperatures by adjusting heating power based on real-time water flow. Auto shut-off mechanisms provide an extra layer of safety by activating during overheating or malfunctions. Finally, check for ETL certification, as it indicates compliance with rigorous safety standards, ensuring peace of mind in your home.
Temperature Control Options
When choosing an electric tankless water heater, understanding the temperature control options can greatly impact your satisfaction and efficiency. Look for models that let you adjust temperatures from 86°F to 140°F in 1°F increments, giving you precise control. Many units come equipped with digital LED displays, making it easy to monitor your current water temperature. Self-modulating technology is a game-changer, as it adjusts power output based on real-time flow and temperature, ensuring consistency. Some advanced models even offer smart controls that adapt to water pressure changes, maintaining stable temperatures during simultaneous use. Additionally, WiFi connectivity lets you manage settings remotely through a smartphone app, enhancing convenience and energy efficiency.