Top 10 Tankless Water Heaters
for December 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.6
SCORE
Titan Electric Tankless Water Heater

Titan Electric Tankless Water Heater

by Niagara Industries Inc
What We like

54 Max Amps

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Product Features

  • Tankless Water Heater
  • 220 V

220 v Tankless water heater

2
9.5
SCORE
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

by Ecosmart
What We like

Sleek and compact design with digital output temperature display

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Product Features

  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Required Breaker:4 x 40 A
  • Pipe Fittings:3/4 inch NPT
  • 150 A
  • Manufactured in United States

150 a Required breaker:4 x 40 a Ecosmart tankless water heaters are 99.8-percent energy efficient Pipe fittings:3/4 inch npt Manufactured in united states

3
9.5
SCORE
Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White

Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric

On Demand Hot Water, Eco, White

by Stiebel Eltron
What We like

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 and the ability to electronically measure water flow. Savings monitor even shows how much you save on energy costs.

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Product Features

  • CONTINUOUS FLOW Advanced Flow Control German patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. Itll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again.
  • TEMPRA 24 PLUS This specific model is 24kW, 240V/208V, requires a min. recommended household electric service of 150 A, and offers an output water temperature of 86 to 140F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels.
  • EASY OPERATION Electronic flow sensor switches on the powerful solid copper interior heating system of the water heater. Its noise free while in use and has a digital temperature display and preset temperature memory buttons.
  • WARRANTIES INCLUDED Stiebel Eltrons 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.

Tempra 24 plus this specific model is 24kw, 240v/208v, requires a min. recommended household electric service of 150 a, and offers an output water temperature of 86 to 140f. check our guides below to compare features of our various trend and plus models, each available in different kw levels. Warranties included Stiebel Eltrons 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. Easy operation electronic flow sensor switches on the powerful solid copper interior heating system of the water heater. its noise free while in use and has a digital temperature display and preset temperature memory buttons. Continuous flow advanced flow control german patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. itll reduce flow slightly if hot water demand exceeds capacity. hot showers will never be interrupted again.

4
9.1
SCORE
Rinkmo Electric Tankless Water Heater - 24KW 240V Instant On Demand Residential Electric Hot Water Heater for Bathroom Bathtub Whole House Shower Sink Small

Rinkmo Electric Tankless Water Heater

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

by Rinkmo
What We like

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.

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Product Features

  • 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.
  • 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.
  • 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.

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. 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. 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.

5
8.6
SCORE
Titan N-120 Electronic Digital Tankless Water Heater By Niagara Industries Inc. 29 Years in Business

Titan N-120 Electronic Digital Tankless Water Heater By Niagara Industries Inc. 29 Years in Business

by Niagara Industries Inc
What We like

Patented Design Assembly

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Product Features

  • Energy Saving, UL compliant & ETL Lead Free Certified
  • Space Savings
  • 29 years in the business
  • Endless Hot Water

Space savings Endless hot water 29 years in the business Energy saving, ul compliant & etl lead free certified

6
8.6
SCORE
Camplux 10L 2.64 GPM High Capacity Color Screen Propane Tankless Water Heater

CAMPLUX ENJOY OUTDOOR LIFE Camplux 10L 2.64 GPM High Capacity Color Screen Propane Tankless Water Heater

by CAMPLUX
What We like

[Modern Design] Exclusive color digital temperature display make it easier to read the temperature. Features on compact and space-saving design with minimal noise output.

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Product Features

  • [Controls Water Temperature Easily ] Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.
  • [Ease to Use] For whole home on demand indoor usewith safe, efficient power ventilation ,perfect for any small homes, cabins or apartments.
  • [More Safety] Flame-out protection, anti-freezing protection, over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.
  • [Saving More Energy] Eco and Full gas switch, rated at 2.64 GPM that activates only when in use, making it more energy saving.

[more safety] flame-out protection, anti-freezing protection, over-heating protection, air flow pressure switch protection to ensure the safety. safe electronic ignition system, plugs into standard 120v electrical outlet with ul-listed cord. [saving more energy] eco and full gas switch, rated at 2.64 gpm that activates only when in use, making it more energy saving. [controls water temperature easily ] uses standard 1/2" npt water fittings and is equipped with easy to use manual water temperature controls. [ease to use] for whole home on demand indoor usewith safe, efficient power ventilation ,perfect for any small homes, cabins or apartments.

7
8.4
SCORE
Noritz NR50ODNG Outdoor Tankless Water Heater, max. 120,000 Btuh, 5.0 Gpm - Natural Gas

Noritz NR50ODNG Outdoor Tankless Water Heater, max. 120,000 Btuh, 5.0 Gpm

Natural Gas

by Noritz
What We like

Ideal for outdoor applications

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Product Features

  • High Efficiency
  • Endless hot water
  • Low Nox

Low nox High efficiency Endless hot water

8
7.6
SCORE
BLACK + DECKER Black and Decker 18 kW 3.7 GPM Electric Tankless Water Heater, Digital Self Modulating Hot Water Heater Electric

BLACK + DECKER Black and Decker 18 kW 3.7 GPM Electric Tankless Water Heater

Digital Self Modulating Hot Water Heater Electric

by Atmor
What We like

Save up to 50% on your water heating costs

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Product Features

  • On demand hotwater heater for up to 3 single use applications
  • Electric Water Heater with no hot water tank

Electric water heater with no hot water tank On demand hotwater heater for up to 3 single use applications

9
7.6
SCORE
MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White

MAREY GA24CSANG 8.34GPM

High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White

by Marey
What We like

DOE

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Product Features

  • CSA Certified
  • Oxygen free copper heat exchanger
  • UL listed
  • Stainless Steel Venting Exhaust
  • LED Touch Screen Computerized Safety

Flow activation Csa certified Oxygen free copper heat exchanger Led touch screen computerized safety Ul listed Anti-freeze protection Stainless steel venting exhaust

10
7.6
SCORE
Camplux Pro On-Demand Tankless Water Heater,6.86 GPM Outdoor Propane Gas Tankless Water Heater with Advanced High Capacity Flow Control,Residential Propane Gas Water Heater for 3-4 Persons Whole House

CAMPLUX ENJOY OUTDOOR LIFE Camplux Pro On-Demand Tankless Water Heater

6.86 GPM Outdoor Propane Gas Tankless Water Heater with Advanced High Capacity Flow Control, Residential Propane Gas Water Heater for 3-4 Persons Whole House

by CAMPLUX
What We like

Considerate Customer Service- Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

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Product Features

  • Saving Energy & Money- Maximum power output 180,000btu/hour,Camplux gas tankless water heater only activities with max energy factor of 0.82 for propane gas when use. Low NOx emission levels, average 9.5ppm for environmental protection.
  • Multiple Protection Ensure Your Safety- CSA certified ,flame failure device, anti-freezing protection, over heating protection to ensure your safety. It will heat automatically when the temperature lower than 40(5).
  • Convenient, Easy Installation - It only takes you a few minutes to get 6.86 gallons per minute of instant hot water. Includes digital remote control with a 3.3 feet cable for convenient flow control.
  • On-Demand Tankless Water Heater-Camplux advanced 6.86 GPM high capacity flow control propane gas tankless water heater delivers 6.86 gallons per minute of on-demand endless hot water ensures instant hot water for 3-4 persons whole home shower and kitchen at one time.

On-demand tankless water heater-CAMPLUX advanced 6.86 gpm high capacity flow control propane gas tankless water heater delivers 6.86 gallons per minute of on-demand endless hot water ensures instant hot water for 3-4 persons whole home shower and kitchen at one time. Convenient, easy installation - it only takes you a few minutes to get 6.86 gallons per minute of instant hot water. includes digital remote control with a 3.3 feet cable for convenient flow control. Multiple protection ensure your safety- csa certified ,flame failure device, anti-freezing protection, over heating protection to ensure your safety. it will heat automatically when the temperature lower than 40(5). Saving energy & money- maximum power output 180,000btu/hour,CAMPLUX gas tankless water heater only activities with max energy factor of 0.82 for propane gas when use. low nox emission levels, average 9.5ppm for environmental protection.

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