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Popular Whole House Electric Tankless Water Heater Reviews on Amazon
Details on the Best Whole House Electric Tankless Water Heater Reviews
On Sale!Bestseller No. 1
Rheem 18kW 240V Tankless Electric 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 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
$449.00
−$29.02
More Details
Bestseller No. 2
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
- ELECTRICAL REQUIREMENTS: 3 x 40 AMP Double Pole Breakers Required. 200 AMP Household service recommended. Ensure your home can accomodate the power supply and that enough space is available in your breaker panel for this unit.
- PROVEN PERFORMANCE: Continuous hot water when you need it for the whole home (review performance guide image to confirm this water heater will provide the hot water needed based on geographic location). Ground water temperature impacts temperature rise and gallons per minute.
- EASILY ADJUSTABLE: ON/OFF Dial Control with adjustable digital temperature display allows for adjustments in 1-degree increments from 80-140 degrees F.
- EFFICIENT: Tankless electric water heaters save space, energy, money, and require no venting.
Bestseller No. 3
Tankless Water Heater Electric ，110v 0-3500W Whole House Tankless Hot Water Heater with Led Temperature Display for Indoor or Outdoor Black-5 Years Quality Assurance
- RELIABLE MATERIAL, SAFE AND STABLE:This 110v 3500w Tankless water heater electric uses 304 stainless steel water pipe, all-aluminum die-cast heating body and corrosion resistant housing to ensure efficient heating and super durability under long-term use. Built-in anti-leakage protection device, insulation material, multiple safety protection design, let you enjoy worry-free hot water experience, safety more assured
- HIGH EFFICIENCY AND ENERGY SAVING:This water heater can heat water to the ideal temperature in an instant, no long wait, and truly realize the convenience of enjoying hot water life immediately. The use of advanced intelligent temperature control technology, accurately adjust the water temperature, reduce energy waste, compared with traditional water heaters more energy saving , is the ideal choice for modern family energy saving life
- DIVERSE USAGE SCENARIOS, FLEXIBLE ADAPTATION:Whether it's a family bathroom, kitchen, laundry room, or small office, barber shop and other commercial places, even outdoor camping, RV travel, this tankless water heater electric can easily handle them all, providing a variety of hot water solutions for your life and work
- MULTI-ANGLE INSTALLATION, CONVENIENT AND FAST: The instruction manual provides detailed installation instructions and diagrams. With a wall-mounted design, this water heater electric can be installed at various angles on the wall or the surface of a cabinet. After connecting to the power supply, it can be put into use, saving you time and effort
- 24 Hours After-Sales Service:We have a professional service team and 24-hour online customer service. After receiving the electric water heater, whether you need product consultation, technical support or after-sales maintenance, any problem you encounter will be promptly answered and assisted
Bestseller No. 4
Electric Tankless Water Heater SIVUATEK 14kW, 240V - On-Demand Hot Water for Whole House - ETL Certified, Self Modulating - Compact Design for Easy Installation - for 2 Point of Use Hot Water
- 【Electric Tankless Water Heater】The V7B-140B is compact design for point of use, in the meanwhile it is able to provide sufficient and luxury endless hot water with its powerful 14kW heating system. It is great idea to install this kind of tankless water heater electric a few ft away from the shower or washing machine, to get instant and sufficient hot water of 110℉ in seconds.
- 【Smart Electric Water Heater】The electric instant water heater V7B-140B adjusts power input based on flow rate and temp setting real time, thus, you get stable temperature out of it even when flowrate changes, which commits comfortable hot water, safety and optimal energy efficiency of 98%, saving considerable electric charge.
- 【CONVENIENT USE】Discover the ultimate convenience with the V7B-140B，a 14kW electric tankless water heater. Featuring a user-friendly digital display and touch control panel, setting your desired temperature is a breeze. The intuitive screen provides clear, real-time updates on the working status of this 240V heater, eliminating the need for complicated adjustments or lengthy learning curves. Simply turn on the faucet and let the smart, instant hot water heater deliver reliable, on-demand hot water with ease. Enjoy modern comfort and efficiency at your fingertips.
- 【Safe& Durable Water Heater】The on demand electric water heater is newly updated and applied with multiple protection devices, such as leakage protection, over heating protection and auto stop. Every piece of V7B-140B goes through strict tests and it is listed by ETL and qualifies for UL. Totally suitable for household, school, hospital, office, bar and other public facility.
- 【Point of Use Water Heater Electric】The sleek electric tankless water heater V7B-140B is compact as a shoe box, making it possible to install anywhere point of use to avoid energy and water waste. It comes with standard plumbing connections 1/2" NPT for easy installation with basic DIY skills
Bestseller No. 5
Electric Tankless Water Heater WINTEMP 27kW 240V, Whole House Hot Water Supply, On Demand Instant Endless Water Heater, with LED Temperature Display, WiFi Control, Up to 6.3 GPM, ETL Certified
- 【Important Note】Ensure this tankless water heater meets your installation requirements. It is rated at 27KW - 240 Volts with a maximum amperage of 113A. It requires 3 x 40 Amp double-pole (DP) breakers and 3 x 8/2 AWG wiring with ground, with a recommended 250A household power supply. The unit dimensions are 9.7” (W) x 14 ” (H) x 3.4” (D), the water connection is 3/4" NPT.
- 【Stable Water Temperature】 Automatically adjusts energy consumption based on incoming water temperature and flow rate to ensure maximum efficiency, continuous stable temperature, and optimal power usage. Its maximum hot water output is 6.5 gallons per minute. It is perfect for residential shower use, eliminating the need to wait for preheating. There’s no longer any concern about running out of hot water in the tank, and you won’t experience temperature fluctuations during your shower.
- 【Energy Saving】The self-regulating technology adjusts power input based on real-time flow and temperature settings. When the water flow decreases, the system reduces power usage, and when not in use, it consumes no energy, achieving up to 99% energy savings. Compared to traditional tank water heaters, it can save up to 60% on electricity costs and is suitable for 2-4 usage points in the home.
- 【Space Saving】The WN27 features a wall-mounted compact design, occupying 90% less space compared to traditional tank water heaters. It is suitable for tight areas and can be easily installed anywhere. It provides an endless supply of hot water in a short time without the need to wait for preheating. Equipped with remote WiFi control, you can adjust the temperature without being near the water heater.
- 【Safe Usage】Safety is always WINTEMP’s top priority. The product features multiple safety protections, including leakage protection, overheat protection, and dry-fire protection, and is ETL certified to fully ensure your safety, allowing you to enjoy hot water anytime, anywhere with peace of mind. We also provide a 2-year return and exchange warranty along with long-term professional technical support to give you worry-free use.
Newest Whole House Electric Tankless Water Heater Reviews
New
CAMPLUX Tankless Water Heater Electric, 8kW at 240 Volt, On Demand Instant Hot Water Heater for Point of Use, Self-Modulating Save Energy, Save Space, 1.56GPM at 35°F Rise
- Instant Hot Water System- Provide instant hot water with 24 hours standby, 8kW powerful heating supports up to 2 faucets and large 1.56GPM at 35°F temperature rise, maximum temperature up to 131°F
- Energy Efficiency- Self-modulating flow sensor technology regulates energy consumption based on actual hot water demand
- Easier Installation- Requires a Double Pole 40Amp breaker for safe and efficient operation of the tankless water heater. Unique left and right inlet and outlet design will be convenient for under-counter installation. Saving up to 60% installation time
- Safety Protection - In accordance with ETL certification, this product features overheating protection, auto-stop heating when detecting no water, and quality workmanship for leakage protection, ensuring the safe use of your family. CAMPLUX offers 2-year support for parts and 24/7 customer service
- Compact Design- Wall-mounted tankless design saves space while providing consistent temperature hot water for bathroom, kitchen, and laundry use
New
Westinghouse 11kW 240V Tankless Water Heater Electric, Up to 2.6 GPM Instant Hot Water Heater, Smart WiFi Control with Alexa & Google Home, 1-3 Point of Use Hot Water
- 【INSTANT HOT WATER】Westinghouse 11kW electric tankless water heater delivers continuous hot water on demand — perfect for simultaneous use at 1 shower and 2 sinks. Eliminates waiting time and temperature fluctuations during showers, dishwashing, or hand washing.
- 【SMART WI-FI VOICE CONTROL】Remotely control water temperature via the app or voice commands (Alexa & Google Home compatible). Adjust settings in precise 1° increments from 86°F to 140°F. An LED display shows real-time status for easy monitoring.
- 【ETL SAFETY CERTIFIED AND DURABLE DESIGN】 ETL certified with 4-layer protection (leakage, overheat, dry-fire, high voltage). Features separated water-electricity pathways to prevent corrosion and scaling, ensuring low maintenance and extended lifespan.
- 【SPACE-SAVING AND EASY INSTALLATION】Compact design (14.2"" H x 9.5"" W x 3.5"" D) mounts flush to walls, freeing floor space and includes 1/2"" NPT connections.
- 【PERFECT FOR APARTMENTS AND HOMES】This 11kW 240V electric tankless water heater efficiently delivers up to 2.6 GPM flow, providing consistent hot water for 1 to 3 points of use simultaneously in apartments, homes, or offices. Activation flow: 0.4 GPM. Requires 46 A and one 50 A double-pole breaker with 8 AWG wiring.
New
ECOTINYMACH Tankless Water Heater Electric 110V, 5000W Instant Water Heater Under Sink, Conversion Between Fahrenheit and Celsius, Remote Control
- Easy Operation: The ECOTINYMACH 110V tankless water heater electric is designed for user-friendly and effortless operation, making your life easier and more comfortable.
- Instant Hot Water: Say goodbye to the waiting time for hot water. With this tankless water heater, you can enjoy hot water anytime, anywhere at your home.
- Fahrenheit and Celsius Conversion: Featuring seamless conversion between Fahrenheit and Celsius, this water heater lets you choose the unit of measure that you're comfortable with.
- Energy Saving: The ECOTINYMACH 110V electric tankless water heater only operates when hot water is needed, reducing energy consumption and saving on your electricity bill.
- Installation instructions: Wire requires 6mm ² (9AWG), circuit breaker ≥ 60AMP, thread size: 1/2 "NPT, please contact a person with an electrical license to help you complete the wire connection.
New
WINTEMP 11kW 240V Tankless Water Heater Electric, On Demand Instant Hot Water Heater, Up to 2.6 GPM, with LED Temperature Display, Self-Modulating Technology ETL Certified
- Important Note: Ensure this tankless water heater meets your installation requirements. It is rated at 11KW - 240 Volts with a maximum amperage of 33A. It requires 1 x 50 Amp DP breakers and 8# AWG wiring with ground. The unit dimensions are 9.7” (W) x 14 ” (H) x 3.4” (D), the water connection is 1/2" NPT
- Stable Water Temperature: Automatically adjusts energy consumption based on incoming water temperature and flow rate to ensure maximum efficiency, continuous stable temperature, and optimal power usage. Its maximum hot water output is 2.6 gallons per minute. It is perfect for residential shower use, eliminating the need to wait for preheating. There’s no longer any concern about running out of hot water in the tank
- Energy Saving: The self-regulating technology adjusts power input based on real-time flow and temperature settings. When the water flow decreases, the system reduces power usage, and when not in use, it consumes no energy, achieving up to 99% energy savings. Compared to traditional tank water heaters, it can save up to 60% on electricity costs and is suitable for 1-2 usage points in the home
- Space Saving: The WN11 features a wall-mounted compact design, occupying 90% less space compared to traditional tank water heaters. It is suitable for tight areas and can be easily installed anywhere. It provides an endless supply of hot water in a short time without the need to wait for preheating
- Safe Usage: Safety is always WINTEMP’s top priority. The product features multiple safety protections, including leakage protection, overheat protection, and dry-fire protection, and is ETL certified to fully ensure your safety, allowing you to enjoy hot water anytime, anywhere with peace of mind. We also provide a 2-year return and exchange warranty along with long-term professional technical support to give you worry-free use
New
WINTEMP Tankless Electric Water Heater 27kW 240V, Whole House Instant Hot Water, 6.5 GPM, Digital Self-Regulating System, Space-Saving Wall Mount, ETL Certified
- Important Note: Ensure this tankless water heater meets your installation requirements. The WN27 model is rated at 27KW (240V) with a maximum amperage of 113A. It requires 3 x 40 Amp double-pole (DP) breakers and 3 x 8/2 AWG wiring with ground, with a recommended 250A household power supply. The unit dimensions are 11.1” (W) x 19.1 ” (H) x 4” (D), the water connection is 3/4" NPT
- Energy Saving: The self-regulating technology automatically adjusts power based on real-time water flow and temperature settings. When the water flow decreases, the system reduces power to save energy; when not in use, it consumes no electricity, achieving up to 99% energy savings. Compared to traditional tank water heaters, it is more energy-efficient and suitable for 2-4 points of use in the home
- Endless Hot Water: WINTEMP Instant Hot Water Heater - Provides a continuous supply of hot water in a short time, with instant hot water at 131℉ available within seconds. 24 hours of instant hot water without waiting for preheating, no more worries about running out of hot water in the tank, and no fluctuations in temperature
- Space Saving: The WN27 features a wall-mounted compact design, occupying 90% less space compared to traditional tank water heaters. It is suitable for tight areas and can be easily installed anywhere. It provides an endless supply of hot water in a short time without the need to wait for preheating
- Safe Usage: Safety is always WINTEMP’s top priority. The product features multiple safety protections, including leakage protection, overheat protection, and dry-fire protection, and is ETL certified to fully ensure your safety, allowing you to enjoy hot water anytime, anywhere with peace of mind. We also provide a 2-year return and exchange warranty along with long-term professional technical support to give you worry-free use