Our Top 10 Recommendations for Electric Tankless Water Heaters
Up-to-date pricing and reviews for electric tankless water heaters on the market
Bestseller No. 1
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
- Bottom 3/4" NPT water connections
- On demand, consistent and continuous hot water
SaleBestseller No. 2
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
- Lifetime warranty
- Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
- Never run out of hot water with an ECOSMART tankless water heater
- Patented Self Modulating Technology and design
- ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
SaleBestseller No. 3
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
- Simple installation – bottom 3/4 inch NPT water connections
- Threaded for easy replacement, simple installation, digital temperature display
SaleBestseller No. 4
ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White
- The product is highly durable
- The product is easy to use
- Manufactured in China
- Copper and stainless components
- Lifetime warranty for residential use
Bestseller No. 5
Tankless Water Heater Electric Instant On Demand 24KW 240V, Hot Water Heater Digital Display Premium Metal, Domccy Electric Hot Water Heater with Self-Modulating Overheating Protection, White
- Instant & Sufficient Tankless Water Heater: Using a 24KW heating system, the electric water heater supplies instant, consistent and 24-hour endless hot water of 80-140℉ suitable for whole house using, even more sinks and showers at one time. No waiting for preheating nor terrible temp up and down dramatically, the perfect companion for sinks.
- Compact Space & Energy Saving: 13.15"*17"*3.54" Tankless water heater is compact and lightweight, easy to install anywhere and quite space-saving. Hot water heater adjusts power input based on flow rate and temp setting in real time, less power will be consumed when the water flows reduced, thus you still get a comfortable temperature instead of scalding hot water or freezing cold water. The high energy efficiency can reduce the cost of hot water by 60%, effectively saving electricity bills.
- Safe & Durable Operation: Applied with multiple protection devices like over-heating auto-stop, no water auto-stop, power-off memory function, every piece goes through strict tests to ensure 100% safe. Inner water and electricity pipes are designed to run separately to avoid leakage or harm of scale build-up. Approval by ETL CETL FCC, you can expect outstanding performance for years to come.
- Premium Electric Water Heater: This tankless water heater is crafted with an excellent metal case and ialuminum heating body, making it anti-rust, high-temperature resistant, no water leakage, durable and fast to heat, this hot water heater is perfect for showering, pet washing, outdoor cleaning, and camping, etc. Provide you with constant hot water, especially in winter or cold places. Instant, endless hot water, enjoy a comfortable showering at any time and any location as you desire.
- Convenient & Easy to Use: The tankless water heater comes with a digital display and knob control panel so the temp setting is quite an easy job. You can easily adjust the water temperature by rotating the knobs on the panel. Press and hold the knob for 3s to switch between Fahrenheit and Celsius. Purchase Notice: Please note that the 24KW tankless water heater requires 3 x 40 AMP circuit breakers and 3 x 8 AWG wires, and the minimum water flow is 0.66 GPM / 2.5L / min.
SaleBestseller No. 6
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
- Sleek and compact design with digital output temperature display
- ECOSMART tankless water heaters are 99.8-percent energy efficient
- Manufactured in United States
- Pipe Fittings:3/4 inch NPT
- Required Breaker:4 x 40 A
Bestseller No. 7
Rheem 240V 4 Heating Chambers RTEX-36 Residential Tankless Water Heater, GRAY
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable Copper immersion four heating elements, field Serviceable
- Simple installation – bottom 3/4 inch NPT water connections
- Threaded for easy replacement, simple installation, digital temperature display.Amperage:150 amps.A max flow of 8.0 GPM
Bestseller No. 8
Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology
- Lifetime warranty
- Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
- Never run out of hot water with an ECOSMART tankless water heater
- Patented Self Modulating Technology and design.Activation flow 0.3 GPM
- ECOSMART tankless water heaters are 99.8-percent energy efficient
SaleBestseller No. 9
Heatworks Electric Tankless Smart Water Heater, the world’s only water heater without metal heating elements. 6.2-24 kW (30-100 A, 208-240 V) Whole-Home or Point-of-Use
- POWERED BY OHMIC ARRAY TECHNOLOGY. The MODEL 3 is the only water heater in the world to use Ohmic Array Technology instead of metal heating elements that rust and scale. This technology will save you time, money, and the planet's resources.
- POWER REQUIREMENTS. Tankless electric water heaters for WHOLE HOME applications require more power than the existing 30 amp circuits for electric tanks. In many WHOLE HOME cases, the MODEL 3 will need to be installed at or close to maximum power at 100 amps and 240 V (24 kW). In northern climates or homes with high hot water demand, please reference sizing information as more than 1 MODEL 3 may be needed. Consult an electrician on available breakers in main electrical panel prior to installing.
- ENERGY EFFICIENT FOR LIFE. The MODEL 3 is highly efficient as it only uses power when hot water is needed. Install it nearer to the point of use for up to 10% in water and 25-40% in energy savings.
- WI-FI CONNECTIVITY. Though not required, download the Heatworks’ free mobile app to remotely control the temperature of the MODEL 3. Or track and compare hot water usage and energy cost.
- LOTS OF INSTALLATION OPTIONS. The MODEL 3 is compact (11”x16.5”x10") and requires no venting. It can be installed in new construction as a whole home or point-of-use water heater or in older homes as a replacement to any gas or electric tank-type or tankless water heaters. No more running out of hot water or waiting for water. NOTE: MODEL 3 MUST BE INSTALLED BY A LICENSED PLUMBER AND ELECTRICIAN.
Bestseller No. 10
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
- External adjustable digital thermostatic control with LED display (+/1 degree accuracy
- Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
- Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
- 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
- Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
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