Aug 25, 2020

Best Electric Demand Water Heater Review & Buyer’s Guide 2021

best electric demand water heater are one of those things that seem like they’re probably all the same. To help you choose the best electric demand water heater for your job, we’ve put together this comprehensive guide for best electric demand water heater. It’s not going to consider absolutely every possible material combination or bonding factor, but we will try and cover as much as possible.

In a Hurry !! and want a quick review here is our editors pick

Editor’s Pick

EcoSmart ECO 11 Modulating Technology

Top 10 electric demand water heater

IMAGE PRODUCT Rating

4.1 out of 5 stars, 855 customer reviews Check Best Price

4.8 out of 5 stars, 14 customer reviews Check Best Price

4.3 out of 5 stars, 121 customer reviews Check Best Price

3.7 out of 5 stars, 193 customer reviews Check Best Price

3.9 out of 5 stars, 19 customer reviews Check Best Price

4.3 out of 5 stars, 210 customer reviews Check Best Price

4.4 out of 5 stars, 647 customer reviews Check Best Price

4.4 out of 5 stars, 50 customer reviews Check Best Price

4.5 out of 5 stars, 94 customer reviews Check Best Price

4.1 out of 5 stars, 1743 customer reviews Check Best Price

Best electric demand water heater

1. EcoSmart ECO 11 Modulating Technology

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EcoSmart ECO 11 Modulating Technology
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  • 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

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2. Tankless Electric ECOTOUCH Self Modulating Instant

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Tankless Electric ECOTOUCH Self Modulating Instant
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  • 【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: 15.74”³H x 10.24”³W x 2.05”³ D. Plus it has a stylish, modern design that blends in any decor. Please verify it is the right size for you: 9kW@240V; pipes fittings: 1/2″ NPT.

3. Rheem Heating RTEX 13 Residential Tankless

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Rheem Heating RTEX 13 Residential Tankless
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  • 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
  • 54 A

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4. ECOTOUCH Tankless Electric Digital Efficient

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ECOTOUCH Tankless Electric Digital Efficient
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  • 【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. This Black model does not 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: 5.5kW@240V; dimensions 11″ x 7.5″ x 2.35″; pipes fittings :1/2″ NPT.

5. Tankless Electric ECOTOUCH Self Modulating Instant

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Tankless Electric ECOTOUCH Self Modulating Instant
  • Make sure this fits
    by entering your model number.
  • 【INSTANT & SUFFICIENT HOT WATER】 Applied with 9kW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor fluctuations in temperature, perfect companion for sinks and shower.
  • 【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 99.8% saves considerable electric charge.
  • 【UPGRADED HEATING ELEMENT】The ECO90 hot water heater is applied with micro-computer control and patent heating technology. Water is completely separated from electricity by cast aluminum module. It guaranttes no”cold water sandwiching” and avoids any corrosion inside pipes so as to extend service life.
  • 【SAFE AND DURABLE】Applied with multiple protection devices, every piece 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 ECO90 tankless water heater comes with digital display & touch control panel so temp setting is easy job. It’s space saving, measuring: 15.8”³ H x 11.1”³ W x 3.1”³ D. Plus it has a stylish, modern design that blends in any location. Please verify it is the right size for you: 9kW@240V; pipes fittings :1/2″ NPT.

6. Bosch Mini Tank Tronic 3000 ES8

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Bosch Mini Tank Tronic 3000 ES8
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  • CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
  • INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (7 gal. of water supply) or horizontally (5.1 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit
  • RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
  • IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included for vertical orientation only); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

7. Bosch Mini Tank Tronic 3000 ES4

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Bosch Mini Tank Tronic 3000 ES4
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  • 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

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8. Rheem Chambers RTEX 24 Residential Tankless

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Rheem Chambers RTEX 24 Residential Tankless
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  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Most advanced self-modulation, adjust power to meet hot water demand
  • Durable Copper immersion three heating elements, field Serviceable
  • Simple installation — bottom 3/4 inch NPT water connections.Threaded for easy replacement, simple installation, digital temperature display
  • Flow Rate: up to 5.9 GPM

9. Titan N 120 Tankless Water Heater

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Titan N 120 Tankless Water Heater
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  • Tankless Water Heater
  • 220 V
  • 54 Max Amps

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10. EcoSmart ECO 27 Modulating Technology

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EcoSmart ECO 27 Modulating Technology
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  • Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT
  • Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM
  • Copper and stainless components designed for efficiency, durability and easy replacement.
  • Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye and Copper and stainless components designed for efficiency, durability and easy replacement.
  • Prior to purchase & installation, please verify that this model is the right size for your hot water needs and electrical requirements. Electrical requirements: 27 kW, 240 volts, (3) 40 required breakers, 112.5 maximum power (AMP), (3) 8 required wire.Amperage Draw:113 A
  • Required Breaker Quantity: Three 40 Amp Double Pole
  • Recommended Electrical Panel: 200 Amps

Final Verdict

However, if you are new to purchasing a electric demand water heater , you can surely make a mistake as there are several options available in the market. That is why we have provided buying guide of electric demand water heater to you. Read it carefully to make a wise choice and save your money from going waste.
If you haven’t got much time, then we recommend to go through our list of top electric demand water heater. This has been carefully curated after a long research and analysis. As per our choice, has grabbed the first place. It’s amazing features and specifications deserved first position.
Which did you choose? Have you been using any of these electric demand water heater? Share your feedback and comments in the below section. We shall reply to your queries as soon as possible.