Top 10 Best On Demand Water Heater handpicked for you in 2020

Getting the right one in a market with various options is a time-consuming task. That’s why we examined brands to come up with this list of the on demand water heater. Having undergone thorough testing, we hope that you’re going to find one of them impressive.

We spent around 33 hours just find the on demand water heater for you and based on the complete research we have selected that Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater is the suitable for you. which comes with amazing features you’ve never heard before. This is a perfect choice currently available in the market at the cheapest price. However, if you don’t want to go for it then, you choose the Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) – Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted. Here we also have the top 10 on demand water heater just for you.

Best on demand water heater

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Product Title
Score

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
9.8

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
9.5

Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small
9.2

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
8.7

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
8.4

Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White
8.2

Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater
7.6

Girard 2GWHAM On-Demand Tankless Water Heater
7.4

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
7.2

Tankless Water Heater Electric ECOTOUCH 9KW 240V on Demand Water Heater Self-Modulating Instant Hot Water Heater Point Of Use Water Heater ECO90 Black
6.7

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Product Title

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

9.8

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

9.5

Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small

9.2

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

8.7

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

8.4

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

8.2

Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater

7.6

Girard 2GWHAM On-Demand Tankless Water Heater

7.4

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

7.2

Tankless Water Heater Electric ECOTOUCH 9KW 240V on Demand Water Heater Self-Modulating Instant Hot Water Heater Point Of Use Water Heater ECO90 Black

6.7

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


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

$151.99  in stock
12 new from $151.99
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

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

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


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

$277.00
$194.32  in stock
15 new from $194.30
4 used from $160.26
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

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

Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small


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Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small

$399.00
$349.99  in stock
1 new from $349.99
1 used from $332.49
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

Features

  • 【365Days & 24H Endless Hot Water】: No need to preheat before using instant tankless water heater. As soon as you turn on the tap, the hot water flows with your desired temperature. No waiting for preheat or standby energy loss, save your time and money.
  • 【10-fold Security Technology Systems More Safe】: This is a Safe water heater, design for whole house using especially those with babies at home. Inner water and electricity lines are designed to run separately so as to avoid rusting or mineral buildup issue that do great harm to water quality and your safe. So you can get steady stream of clean and fresh hot water for daily life.
  • 【Save Money Save Cost】: After using our Rinkmo high efficient water heater, you will find your water Heating Costs Reduce Up to 60%, due to our heater is 99.8% Energy Efficient, you can get hot water within 3s; Create heat without direct contact with metals,No mineral buildup so you don't need to maintenance or fix it and replace the heater coils, No expensive maintenanc cost in the future
  • 【Stable Water Temp for Whole House 】: Our smart modulating technology and formula to calculate the difference between the desired temp and current temp, adjusts power input based on flow rate and temp setting in real time by our temp sensors and flow sensors. No sudden temp changes.
  • 【Compact Size Save Space】: Rinkmo water heater only like a small suitcase, 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.

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) – Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted


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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

$149.99  in stock
18 new from $149.99
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

Features

  • CONVENIENT HOT WATER HEATER: 2.5 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 10.75 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


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

$429.00
$375.99  in stock
9 new from $375.99
3 used from $251.36
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

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

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


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

$499.00
$347.54  in stock
20 new from $347.00
6 used from $236.54
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

Features

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

Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater


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Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater

$129.99  in stock
1 new from $129.99
2 used from $119.59
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

Features

  • CSA approved portable tankless water heater for US &Canada markets. Lowest water pressure start up just need 3.0 PSI! Also works great with Camplux 12V 1.2GPM water pump.
  • The maximum temperature raise is 114.8℉(46℃) and the minimum temperature raise is 46.4℉(8℃)for 1.32GPM.
  • Its compact size with folding handle keeps it out of the way, allowing for a convenient set-up outdoors.
  • Flame failure device, anti-freezing protection and oxygen depletion safety shut-off protection.
  • 1.32 gallons per minute of hot water output, energy saving technology. You can get instant endless hot water easily wherever you are.

Girard 2GWHAM On-Demand Tankless Water Heater


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Girard 2GWHAM On-Demand Tankless Water Heater

$719.70
$518.33  in stock
8 new from $518.33
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

Features

  • Regulates the burner to maintain the set hot water temperature
  • 42,000 BTUs which provides the optimum performance for an RV's plumbing
  • No special LP gas lines or special plumbing required
  • Quiet brush-less motor
  • 12 V power that operates at less than 3 A; Freeze protection - designed for winter use

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray


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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

$522.00
$485.99  in stock
7 new from $485.99
7 used from $349.20
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

Features

  • 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

Tankless Water Heater Electric ECOTOUCH 9KW 240V on Demand Water Heater Self-Modulating Instant Hot Water Heater Point Of Use Water Heater ECO90 Black


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Tankless Water Heater Electric ECOTOUCH 9KW 240V on Demand Water Heater Self-Modulating Instant Hot Water Heater Point Of Use Water Heater ECO90 Black

$199.99
$169.99  in stock
1 new from $169.99
3 used from $122.27
Free shipping
Buy Now
Amazon.com
as of September 17, 2020 6:45 am

Features

  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 9kW heating system, the electric tankless water heater ECO90B supplies instant & endless hot water of 116℉or higher temp, no waiting for preheat nor temperature fluctuations, perfect companion for sinks, bringing you perfect experience of comfort and relaxing.
  • 【SMART SELF MODULATION】The on demand electric water heater ECO90B adjusts power input based on flow rate and temp setting in real time. As water flow reduces, power input decreases, thus you still get ideal, comfortable temp instead of scalding hot water. Optimal energy efficiency 99.8% saves considerable electricity charge per year.
  • 【UPGRADED HEATING SYSTEM】Featuring micro-computer control and patent heating technology, ECO90B electric water heater promises no “cold water sandwiching”. And unique heating element avoids any corrosion inside pipes so as to extend service lifespan.
  • 【SAFE AND DURABLE】Applied with multiple protection devices, every piece ECO90B tankless water heater goes through strict tests to ensure 100% safety. 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.
  • 【CONVENIENT USE】The ECO90B electric tankless water heater comes with digital display & touch control panel so temp setting is an easy job. It's space saving, measuring: 15.4″(H) x 10.3″(W) x 2″(D). Plus it has a stylish, modern design that blends in any decor. Please verify it is the right size for you: [email protected]; pipes fittings: 1/2" NPT.

We hope you get the perfect on demand water heater from the above list. Finally, if you’re looking for an incredible selection of features, then Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small are probably the on demand water heater on the market today.