BEST TANKLESS WATER HEATER

Looking for the best TANKLESS WATER HEATER that can last long and perform well? Read our review and buying guide on best TANKLESS WATER HEATER below.

10 Best TANKLESS WATER HEATER

IMAGE PRODUCT RATING PRICE
1. EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with...
2. Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with...
3. Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) -...
4. Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
5. Rinnai V65eN Tankless Hot Water Heater, Large, White
6. Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM
7. Rinkmo Electric Tankless Water Heater - 24KW 240V Instant On Demand...
8. Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
9. Rinnai RL75IN Tankless Water Heater, Large, RL75iN-Natural Gas/7.5 GPM
10. Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water...

Best TANKLESS WATER HEATER

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

 in stock
14 new from $218.96
5 used from $140.75
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as of November 23, 2020 3:35 pm

Features

  • 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

Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White

 in stock
26 new from $280.70
2 used from $216.55
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as of November 23, 2020 3:35 pm

Features

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Copper and stainless components
  • Lifetime warranty for residential use

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

 in stock
12 new from $151.99
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Features

  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

 in stock
5 new from $375.99
5 used from $281.99
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as of November 23, 2020 3:35 pm

Features

  • 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

Rinnai V65eN Tankless Hot Water Heater, Large, White

 in stock
6 new from $680.40
1 used from $628.99
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Features

  • Max BTU's 120,000
  • Max Energy Factor 0.82
  • Outdoor Installations
  • Meets California and Texas NOx Emissions Standards
  • Lightweight and Compact

Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM

 in stock
8 new from $680.40
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as of November 23, 2020 3:35 pm

Features

  • Endless hot water for your entire home
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Rinkmo Electric Tankless Water Heater - 24KW 240V Instant On Demand Residential Electric Hot Water Heater for Bathroom Bathtub Whole House Shower Sink Small

 in stock
1 new from $429.00
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as of November 23, 2020 3:35 pm

Features

  • TIPS. Please notice that the 18KW tankless water heater requires 2 x 40 AMP breakers and 2 x 8 AWG wire, the Min. Water Flow is 0.4GPM/1.5L/min. The 24KW tankless water heater requires 3 x 40 AMP breakers and 3 x 8 AWG wire, and the Min. Water Flow is 0.66GPM/2.5L/min.
  • WATER & ELECTRICITY SEPARATED MORE SAFE AND CLEAN. Heating water without directly contacting with the heating element which protects it from corrosion. No worry about water and electric leakage or tube explosion. Rinkmo water heater Keeps you away form annoying tube cleaning work and expensive maintenance cost! This better design will reduce precipitation and extend the usage life.
  • SAVE MONEY SAVE COST. After using our Rinkmo high efficient water heater, you will find your water heating cost reduce up to 60%, due to our heater is 97% ~ 99.8% energy efficient. You can always get hot water within 3s. No waiting for preheat or standby energy loss, save your time and money.
  • TEMP PROTECTION & LED ALARM MORE REASSURING. Rinkmo water heater will stop heating when no water or low water flow to prevent the product from burning. The LED shows LL or HH alarm when the inlet water temperature is lower than 37℉ or higher than 167℉. All silicone wire design which is heat resisting, more reassuring and durable.
  • COMPACT SIZE SAVE SAPCE. Rinkmo water heater is only like a small suitcase less than 3.5 inch thick, save your space and giving more to your living area. Easy to install and operation, set temp by turning the button, press the button to switch between Fahrenheit/ Celsius.

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

 in stock
17 new from $256.90
1 used from $226.16
Free shipping
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as of November 23, 2020 3:35 pm

Features

  • 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

Rinnai RL75IN Tankless Water Heater, Large, RL75iN-Natural Gas/7.5 GPM

 in stock
7 new from $999.00
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as of November 23, 2020 3:35 pm

Features

  • 10,300 - 180,000 BTU
  • Comes standard with MC-91-1US Digital Controller with Error Code Indicator
  • 82% Thermal Efficiency
  • Residential Temperature Settings: 98°F - 140°F
  • Commercial Temperature Settings: 98°F - 160°F (commercial controller must be purchased separately)

Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,White

 in stock
1 new from $120.99
2 used from $103.17
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as of November 23, 2020 3:35 pm

Features

  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: [email protected]; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.