Are you looking for best rated tankless water heater, we’ve consulted top experts who has in-and-out knowledge about the rated tankless water heater. We choose the top most quality product, which comes with amazing features you’ve never heard before. We have filter more than 100+ of product to give you top 10 list of best rated tankless water heater.

This list is undoubtedly the best rated tankless water heater available in the market today. However, if you don’t want to spend more time on filtering and finding which one is good rated tankless water heater, then you should absolutely go for our Top list of the winner. which comes with all the basic features one could expect in a rated tankless water heater.


Best rated tankless water heater – The Winners!


But these three has some more competitions too, Check out below List of Top 10 best rated tankless water heater.If you are ready to choose a new rated tankless water heater, check out our recommendations for the best rated tankless water heater. But if you’d like to learn more about the various types of rated tankless water heater available and how to choose the right one for you, read on.

List of Top 10 Best rated tankless water heater In Detailed


SaleBestseller No. 1
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected], 7” x 11” x 3”
  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Amperage Draw 29 amp. kW - 3.5 kW
  • Connection Fittings 1/2" NPT
Bestseller No. 2
THERMALUX - 11.1 GPM ENERGY STAR RATED High Efficiency Condensing Residential Tankless Water Heater -Natural Gas
  • ENERGY STAR qualified THERMALUX tankless water heaters are highly efficient and use up to 40% less energy than storage water heater models
  • Flow rates range from 0.5 GPM to 11.1 GPM. This unit can provide up to 11.1 GPM at a 30 degree temperature rise.
  • THERMALUX is proud to offer homeowners a tankless unit with 93% thermal efficiency
  • THERMALUX provides a 12-year warranty on the heat exchanger, and a 5-year warranty on service parts
Bestseller No. 3
Gdrasuya10 3.0 KW 110V Mini Instant Electric Tankless Hot Water Heater for Kitchen Washing Faucet Home Bathroom Heating System (Gold)
  • 【Instant Heating】3000W output tankless electric water heater eliminates long time waiting. 3 seconds that is hot, really thermostat without waiting. Constant temperature maintains the optimal water temperature for you.
  • 【Constant Temperature Control】Constant temperature maintains the optimal water temperature for you. With LCD digital temperature display, you can freely adjust water temperature by water flow which allows simple operation. Note: Please verify that this model is the right size for your hot water needs and electrical requirements before purchase & installation.
  • 【Suit for Hose】The Electric Tankless Water Heater has Standard 1/2 interface, which can be directly connected to the household conventional hose connector / faucet metal hose / shower hose / shower hose. Note: Please install and use according to the instructions.
  • 【Easy to Install】With a Mini body, the Tankless Water Heater is easy to install under the bathroom or kitchen sink for washing dishes, food, faces and other functions. (Installation Video can be offered anytime if needed.) 【Note】Please note this item should get the water first and then link the electricity when installing.
  • 【Reliable quality】The Electric Water Heater has Leakage protection, IPX4 waterproof feature, Dry heating protection, Water-electricity isolation, Auto power-off at inactive state, Over-temperature automatic power-off. If the water heater does not come out with hot water when it’s already connect to the electric supply, then the water heater will cut off the electric supply automatically to prevent the water heater from overheat.
SaleBestseller No. 4
Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White
  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
  • Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate
Bestseller No. 5
maxmartt 110V 3000W Mini Electric Hot Water Heater Tankless Instant Household Indoor Washing 7.87 x 4.13inch 30-55℃ (Golden)
  • This is a water heater ( 7.87 x 4.13inch ; 30-55℃ )for the application of changing the cold water into hot water and it will meet your various needs such as used in kitchen, bath room, public restroom, etc.
  • electric water heater is a high efficient water heater with compact size to produce the hot water very quickly.LCD digital temperature display.
  • water heater thermostat : Freely adjust water temperature by water flow, simple operation.
  • Safe heater, electricity saving, water saving, no pollution, no exhaust gas.
  • Temperature: 30-55℃(Considering the use environment in severe cold areas may not reach the maximum temperature of 55℃)
SaleBestseller No. 6
Stiebel Eltron Tankless Water Heater - Tempra 29 Trend – Electric, On Demand Hot Water, Eco, White
  • CONTINOUS FLOW – Hot showers will never be interrupted again. Enjoy continuous, on-demand hot water with an unlimited supply, when you want it without wasting any energy when not needed
  • SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation
  • SILENT OPERATION – One electronic switch will activate the hot water heater and it’s noise free while in use. Digital temperature display is easy to read, while the interior solid copper heating system does all the power work
  • TEMPRA 29 TREND – This specific model is 28.8kW, 240V, requires a min recommended electric service of 200 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels
  • WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase
SaleBestseller No. 7
Eccotemp i12-LP Water Heater, 4 GPM, Black
  • Whole home indoor, gas powered tankless water heater, rated at 4 GPM that activates only on demand and no pilot light needed, reducing energy consumption
  • Sleek, modern design with black tempered glass front panel featuring an easy to use LED display controls
  • Features fully automatic temperature controls with an energy saving mode and child lock technology
  • Safe electronic ignition system; Plugs into standard 110v electrical outlet with UL-listed cord
  • Uses standard 1/2" NPT water fittings and comes with horizontal venting allowing for a convenient and quick installation
Bestseller No. 8
A.B Crew 110V 3sec Instant Tankless Electric Hot Water Heater Faucet Kitchen Fast Heating Tap Water Faucet with LED Digital Display(Big Under Inflow)
  • Material: H59A level environmental refined copper + ABS engineering plastics
  • The inlet way: under the influent; Surface treatment: multiple plating; Spool: Diamond level Ceramic spool; Heating tube: high-purity copper liner heating element; Rated voltage: 110V/50HZ; Rated Power: 2000W; Working pressure: 0.04-0 .5 MPA; Waterproof grade: 1PX4; Diameter: General diameter; Cord Length: about 1.5 m; Plug type: designed.the GN - 901. Waterusage: under0.1MPA, hot water is 2.4L/min, the cold water is 3L/min.
  • 4 types to choose: Big Under Bend, Small Under Bend, Big Lateral Bend, Small Lateral Bend. 3 to 5 seconds fast heat. In general, to say at least, temperature at about 20 degrees to 40 degrees in winter & 30 degrees to 50 degrees in summer, depending on the quantity of flowing water.
  • ABS engineering plastics, high temperature resistant, soft and strong, not easy to burst high shape stability. Strong anti-stamping, UV radiation, so the product is not easy to aging security is more durable and lasting.
  • Please Note: When you receieve the water heater, please do not test it in your hands, you need install it well and then test, or it will be dangerous. Please operate it according to the instructions.
SaleBestseller No. 9
vinmax 2021 Hot Tankless Water Heater,110V Electric Hot Water Heater - Kitchen Household Electrical Hot Water Holiday, 8L,1500W,(Shipping from USA)
  • 【Electric Water Heater】- The Temperature can be adjusted between 55℃-75℃ optionally, and the power will be off automatically when the set temperature is achieved.
  • 【 Instant Hot Water Heater Under Sink】- Its total power is 1500w and it has multiple installation methods. It is applicable for different water pressure of different areas, especially for families which are located on higher floors with low water pressure.
  • 【Rv Tankless Water Heater】- This mini tankless water heater electric 110v product uses green environmental material, which is qualified for international standard, and satisfies difficulties of hot water supply for multiple places, easily solves issues such as face washing, bathing, vegetable washing and dish washing.
  • 【Water Heater Blanket】- This water pre heater is a lightweight electric water heater with a perfect combination of inner quality and classical appearance, which applies for multiple demands of different families. It can be placed in the space exquisitely where is decorated by you elaborately, and embellish your furniture much more wonderfully.
  • 【Water Heater Electric】- It can be installed in the kitchen, rest room, bathroom or any other places you want optionally because of its characteristics of small area, strong applicability and convenient installation.
SaleBestseller No. 10
Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater w/ EccoFlo Diaphragm 12V Pump & Strainer
  • Lightweight, easy to carry, and compact, makes using it for camping, hunting, in your Tiny Home, RV’s, Poolside, Washing Pets, Equestrian, Cleaning Vehicles, Greenhouses or anywhere else that you need instant reliable endless hot water perfect. Runs on a standard 20 lb. Liquid Propane tank and is equipped with an electronic ignition. Powered by 2 “D” cell batteries, making it ideal for on-the-go
  • CSA certified for use in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE
  • Features a safety shut-off that is activated when the unit runs longer than 20 minutes or is tilted more than 45 degrees in either direction. Low pressure activation of 20 PSI and is easy to connect to any standard garden hose
  • Rated at 1.5 Gallons per minute (GPM) of hot water output with an achievable temperature range of 50 – 140 degrees Fahrenheit. Best in class 1-year product warranty, live chat, appointments for product support, self-help guides will give you peace of mind that the Eccotemp L5 will keep you in hot water for years
  • What's Included: Eccotemp L5 Portable Tankless Water Heater, Eccoflo 12V Pump & Strainer, 3 spray shower head set, 3 1/2' CSA certified gas regulator and hose, mounting hardware, and garden hose quick connect and adapter
Hope this list of the best rated tankless water heater will be helpful for you. Feel free to contact us if you have any questions about our site or our reviews, and we will be happy to help you with your purchasing decisions in any way we can.