In this article, we will present the top 10 best electric on demand water heater available on the market, along with our expert reviews. Get one of them and have fun! You’ll love it!. Among the products, our top choice is EcoSmart ECO 27 Electric Tankless Water Heater on Amazon.
We spent 84 hours to look for top-rated products in this category and have compiled the following list. If you are looking for the best electric on demand water heater, our top recommendation for you is EcoSmart ECO 27 Electric Tankless Water Heater, which comes with amazing features you’ve never expected before! It is absolutely the best electric on demand water heater available in the market today. However, if you are on a budget and don’t want to spend big on best electric on demand water heater, you may want to consider Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Wat which is an economic option and still comes with all the basic features one would expect in best electric on demand water heater.
10 Best electric on demand water heater
Best electric on demand water heater
1. EcoSmart ECO 27 Electric Tankless Water Heater
Configured for cold climates or high flow rates Well suited where incoming water temperature can drop below 45 F For use in more demanding water usage applications Self modulating flow sensor technology regulates the amount of energy required to heat the water needed Digital temperature display showing the outlet water temperature setting
- Savings of up to 50 on water heating costs. dimensions 17h x 17w x 3.625d inches pipes fittings 34 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 draw113 a
- Required breaker quantity three 40 amp double pole
- Recommended electrical panel 200 amps
- Never run out of hot water with an ecosmart tankless water heater.
- Save up to 12 cubic feet of storage space.
- Digital temperature control in 1 degree increments gives users complete control of hot water
Also read: Best Electric demand water heater
2. Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf
Get hot water where it's needed, when it's needed with the Bosch ES4 Tronic 3000 T Electric water heater This 25-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs This smaller model can be plugged right into a 120-volt outlet with the 36-37" cord, or can be installed in-line with a larger hot water source to provide "on-demand" use
- 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
Also read: Best Demand hot water tank
3. Stiebel Eltron 224199 240V
- Digital temperature control. voltage 240 volt or 208 volt
- Proven reliability
- No venting required
- Sleek design fits anywhere
- Save at least 15 20 on the hot water portion of your electric bill
Also read: Best demand hot water system
4. Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation
The Bosch US3 Tronic 3000 electric tankless water heater is designed to provide an endless supply of hot water to kitchen, bathroom, and handwashing sinks This 34 kW electric heater eliminates long waits for hot water by using a dual chambered copper heat exchanger The unit runs at 98% thermal efficiency, so stand-by loss is minimal
- Convenient tankless hot water heater 3.2 kw output tankless electric water heater eliminates long waits for hot water at point of use
- Easy installation easily install under any bathroom or kitchen sink and get on demand hot water at your every need
- Space saving mounts on wall vertically or horizontally and is space saving ultra compact and lightweight
- Important information unit operates on 110 volt at 84 percent of capacity and on xx volt at 75 of capacity. activation flow rate 0.5 gpm. volts 120 110 v ac. amps usa and canada 30 a
- Great efficiency 98 efficient with minimal stand by loss. water pressure range of 10 150 psi
- 30 a
Also read: Best demand hot water propane
5. Atmor AT-900-03 Single Sink 3kw/110V
SAVE ENERGY, WATER, MONEY, TIME – Atmor offers the efficient and convenient water heating solution you have been looking for Atmor 3kW/ 110V Point-of-Use Tankless Electric Instant Water Heater provides an unlimited flow of hot water without the wait or worry of ever running out That’s right, instant hot water on demand! This unit is specifically designed for hand washing SINGLE SINKS in areas with at least 57°F ground water temps (See Sizing Guide)
- Ideal for single sink application in areas with at least 57 ground water temperature
- Maximum flow rate 0.5 gpm gallons per minute 45 f temperature rise. slower flow rate higher temperature rise.max tested working pressure 16 bar 230 psi
- Requires a direct connection to a 30 amp single phase breaker. required wire size 10 awg. not a plug in unit.
- Instant and endless hot water on demand without the wait or worry of ever running out
- Includes a 0.5 gpm aerator for sink faucet and pressure relief device prd
Also read: Best Water heater with shower heads
6. Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater
This electric tankless water heater is a true Point of Use Model because it is specifically designed for under the sink, single applications with a maximum flow rate of 05-Gallon per minute (gpm) and includes a 05 gpm sink aerator This heater is flow controlled, meaning the temperature will adjust according to flow rate
- 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
Also read: Best Electric heater for house
7. Thermoflow UT10 2.6-Gallons Electric Mini-Tank Water Heater for Under Sinks
FEATURES-◆ Minimize Wait Time for Hot WaterThe Thermoflow UT10 is a point-of-use electric mini-tank heater which can stores up to 26 Gallons (10L) of water to supply hot water quickly This heater can supplement a primary water heating source, or be used under a single sink There's minimal stand-by loss from this premium mini-tank water heater, saves water by eliminating the wait for hot water to reach your faucet
- 2.6 gallon capacity 2.6 gallon point of use mini tank fits under your sink to provide hot water right where you need it.stainless steel tank and heating element designed for efficiency durability and easy replacement.
- thermostop function low stand by loss power consumption. the thermoflow ut10 with advanced thermostop technology of germany when the water heater reaches a high or low set temperatureitll stop heating or reheating automatically.
- eps foaming technology heating water quicklyfast recovery rate eliminates long waits for hot water at your sink.
- safety active protection circuit for safe installation. if the water heater does not come out with hot water when its already connect to the electric supply then the water heater will cut off the electric supply automatically to prevent the water heater from overheat.
- notes please verify that this model is the right size for your hot water needs and electrical requirements before purchase installation. dimensions 18h x 12.2w x 11d inches weight 14 lbswater connections 12 inch npt electrical requirements 1.5 kw 120 volts. operating pressure 150psi.nominal current 13a .
Also read: Best electric hot water tank
8. Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater
Professional classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications
- 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 12 npt adapters included side 12 inch compression water connections
- 99.8 energy efficient. external controls to adjust temperature in increments of 1f. 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
Also read: Best Mr. heater lp room heater
9. ECOTOUCH Tankless Water Heater Electric
FEATURESInstant hot water comes with powerful 55kW heating element, expect hot water for 3 seconds, perfect choice for sinks to provide endless hot water any timeENERGY SAVINGThis tankless water heater avoids standby heat loss of those bulky storage water heaters, minimize energy waste and achieve 65% energy saving with help of its smart self adjustment technology
- Instant sufficient hot waterapplied with 5.5kw heating system the electric water heater supplies instant consistent and endless hot water of 116or 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 adjustmentthe 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 usethe 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 neednt 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 durableapplied 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 usethe 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 5.5kw240v dimensions 11 x 7.5 x 2.35 pipes fittings 12 npt.
Also read: Best Dehumidifier with heater
10. Marey ECO110 220V Self-Modulating 11 kW
The ECO line by Marey is designed using SMART Technology It is the only one in the market that does not accumulate sediments, as the water never touches the heating element! The 220V ECO110 by Marey provides 11kW of power, being the perfect solution for 2 points of use in Southern areas (a shower and a sink)
- The 220v eco 11kw unit is ideal for 2 simultaneous points of use in us southern regions where the incoming water temperature is above 70f. in colder regions it is suitable for a sink at 1. 3 gpm.
- German designed with high quality stainless steel water channel and heating chamber.
- Smart technology easy management and simple adjustments on a lcd panel allows you to program the exact desired water temperature thereby optimizing electricity consumption.
- Requires 1 60 amp breaker and must be installed by a professional plumber or electrician to ensure safety and quality.
- Mareys eco line can maintain 98 efficiency level throughout their lifetime.
Also read: Best Mr. heater gas blowers