If you're looking for a reliable water heating system, then an electric on-demand hot water heater is an excellent option for you. With the capability of instantly heating up water with no need for storage, it's a space-saving alternative to traditional heaters that can help lower your energy bills while providing you with instant hot water.
Before making the decision to invest in an electric on-demand water heater, there are a few key factors that you need to consider. Firstly, you should determine the amount of water your household requires, as this can affect the size and power of the heater that you need. Secondly, you should keep in mind the efficiency ratings of the heater to ensure that you are choosing one that won’t blow up your energy bills. Finally, you will need to find a reputable and experienced installation technician who can ensure correct installation and long-lasting use.
So, are you ready to upgrade your water heating system to an electric on-demand hot water heater? Wondering how much money you can save? Curious about how the system works? Pondering if it's a good fit for your home? Stay tuned and check our reviews for more useful information!
10 Best Electric On Demand Hot Water Heater
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The product is ideal for providing endless hot shower water in residential whole houses with easy installation and digital temperature display.
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Ideal for providing endless hot water to two showers and saving energy use with self modulation technology.
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The electric tankless water heater is ideal for providing hot water on demand in small spaces with hardwired installation.
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Ideal for providing instant hot water in kitchens, showers, and bathrooms without the need for a storage tank.
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Ideal for outdoor activities such as camping, hunting and fishing, providing hot water on demand for various needs.
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The product is ideal for providing on-demand hot water with digital display, overheating protection, and electric power source.
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7
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Ideal for on-demand hot water supply in small spaces.
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This product is ideal for quickly heating and dispensing hot water for coffee, tea, and other hot beverages.
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9
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Ideal for dispensing and keeping hot water insulated and safe with automatic shut off function, perfect for events or gatherings.
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The product is ideal for heating water at a specific location and preventing damage from leaks or spills.
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1. Thermomate Electric Shower Heater – Endless Hot Water!
The Instant Unlimited Hot Water tankless electric water heater provides hot water in just three seconds, eliminating wait time and ensuring that you never run out of hot water again. In order to achieve 240V, the product requires 2 x Double-pole 40AMP Breakers. With self-modulating technology, this water heater regulates the amount of energy required to heat water, providing hot water only when you need it with 99.8% efficiency. By saving up to 60% on water heating costs compared to traditional tank water heaters, this product is an excellent way to save money and space.
The wall-mounted compact design of this electric water heater is convenient for any space, saving floor space and fitting into tight spaces. The smart operation of this product allows for auto-adjusting energy consumption based on incoming water temperature and flow, ensuring maximum efficiency, continuous stable temperature, and optimal power usage. The digital temperature display allows for adjustment in 1° increments from 80°F to 140°F. Additionally, the heating element is separated from the water tube, significantly reducing scale, corrosion, and mineral buildup on the element, achieving better performance and low maintenance.
Installation of this water heater is easy and safe. It is ETL certified with overheating protection and will automatically stop heating when no water is detected, ensuring quality workmanship for leakage protection. It is important to note that this water heater must be the correct size for your hot water needs. It has a maximum draw of 76 amps at 18kW and requires 2 x Double-POLE 40AMP breakers and 2 x 8AWG wire gauge. The unit size is 17.12" x 13.12" x 3.12" and has a water connection of 3/4" NPT. The product comes with a 2-year limited warranty and 24/7 customer support services.
- Provides hot water in just three seconds, eliminating wait time.
- Self-modulating technology regulates the amount of energy required to heat water, providing hot water only when you need it with 99.8% efficiency.
- Saves up to 60% on water heating costs compared to traditional tank water heaters.
- Wall-mounted compact design is convenient for any space, saving floor space and fitting into tight spaces.
- Smart operation allows for auto-adjusting energy consumption based on incoming water temperature and flow, ensuring maximum efficiency, continuous stable temperature, and optimal power usage.
- Digital temperature display allows for adjustment in 1° increments from 80°F to 140°F.
- Heating element is separated from the water tube, significantly reducing scale, corrosion, and mineral buildup on the element, achieving better performance and low maintenance.
- ETL certified with overheating protection and will automatically stop heating when no water is detected, ensuring quality workmanship for leakage protection.
- Comes with a 2-year limited warranty and 24/7 customer support services.
- – Requires 2 x Double-pole 40AMP Breakers to Achieve 240V, which may be difficult to install for some users.
- – Must be the correct size for your hot water needs, with a maximum draw of 76 amps at 18kW and requires 2 x Double-POLE 40AMP breakers and 2 x 8AWG wire gauge.
2. Evening Tide: Endless Hot Water Anywhere
Never run out of hot water again with the Airthereal Electric Tankless Water Heater. This amazing product provides endless hot water on demand with no preheating, temperature fluctuations or worrying about running out of hot water in the tank. It is perfect for families who want to enjoy hot showers one after another without any interruption.
This wall-mounted water heater saves up to 90% space when compared to traditional hot water heaters with a tank. It is the perfect solution for those who want to save space and make the most of their living area.
The Airthereal Electric Tankless Water Heater is energy-efficient as it heats water only when you need it. There is no need to store hot water in a tank, which saves up to 50% on water heating costs when compared to a typical tank water heater. With its self-modulating temperature technology, it ensures that you only use energy to heat up water when you are using it.
Please note that installing the 18kW Electric Tankless Water Heater requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size, and a set of 2 x (8AWG/2) wires. Make sure that your breaker panel meets these specifications before installing the product.
Safety is a top priority with the Airthereal Electric Tankless Water Heater. It has high-temperature protection, dry heating protection, and electrical leakage protection, making it safe to use. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
- Provides endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
- Saves up to 90% space when compared to traditional hot water heaters with a tank.
- Energy-efficient and saves up to 50% on water heating costs when compared to a typical tank water heater.
- Safe to use with high-temperature protection, dry heating protection, and electrical leakage protection.
- Electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
3. Thermomate On-Demand Hot Water Heater.
The Instant Heating water heater is the perfect solution for those who want hot water on demand without the need for a large tank. With its compact design, this point-of-use water heater can be easily installed in small spaces such as kitchen closets, bathroom sinks, hair salons, bar counters, and hotel receptions. It is hardwired and draws only 110-120 Volts, making it an energy-efficient choice for your home. The unit measures 7.8W x 6.3H x 3.9D inches and is designed for single sink use.
The temperature range of this water heater is from 85°F-131°F, and it is self-modulating, which means it automatically adjusts the power based on the change of inlet water flow and temperature, saving up to 50% energy consumption and preventing over-heating. The touch control panel and digital temperature display make it easy to set your desired temperature, and the unit is lightweight and easy to install vertically facing up or down. Simply open the tap to start the unit heating with an activation flow rate of 0.4GPM.
The Instant Heating water heater is ETL certified and equipped with multiple protection features from leakage, dry fire, over-heating, and over-pressure. The unit is also IP25 waterproof, and its stainless steel heating element and lack of storage water prevent sediment and scale build-up. Please note that this unit requires a 3.5kW@120V power supply, a 40A Circuit Breaker, 10AWG wire size, and 1/2"NPT water connections.
Overall, the Instant Heating water heater is a safe, healthy, user-friendly, and space-saving choice for those in need of hot water on demand. It is perfect for those who want to save energy and reduce their carbon footprint while enjoying the convenience of hot water whenever they need it.
- Instant heating without the need for a large tank
- Compact design for small spaces
- Self-modulating for energy savings
- Touch control panel and digital temperature display for easy use
- Multiple protection features for safety
- IP25 waterproof for added durability
- – Requires hardwiring
- – Limited to single sink use
4. On-Demand Shower Heater With Digital Display
The SimLiTa Electric Tankless Water is a game-changer for those who constantly face the problem of not having enough hot water. This electric hot water tank provides endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank. It is perfect for anyone who wants to save space and have easy installation as it is possible to install anywhere as a point of use water heater, ideal for the kitchen sink, bar, school, hospital, community, and hair salon.
The hot water heater has a smart self-modulation system that adjusts power input according to flow rate and temperature setting in real-time. This feature ensures that you still get the ideal temperature instead of scalding hot water, providing a comfortable experience. With optimal energy efficiency of 99%, you can save considerable electric charge.
The electric tankless water heater V7C-140 is compact as a vanity box, making it easy to fit in any space. Before purchasing, please verify that it is the right size for you: 14kW, 240V (ONLY); dimensions 11.14" (W) x 15.87" (H) x 3.43" (D); plumbing connections: 1/2" NPT.
The SimLiTa Electric Tankless Water is not only convenient but also safe and durable. It comes with high-temperature protection, dry heating protection, and electrical leakage protection, ensuring that you have safe, on-demand hot water to use on your schedule. The inner water and electricity lines run separately to avoid leakage or harm of scale build-up. The product has been approved by ETL and qualifies for UL standards.
- Provides endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank
- Smart self-modulation system adjusts power input according to flow rate and temperature setting in real-time
- Optimal energy efficiency of 99%, saving considerable electric charge
- Compact design makes it easy to fit in any space
- Comes with high-temperature protection, dry heating protection, and electrical leakage protection, ensuring safe use
- – Only compatible with 240V power supply
- – May not be suitable for larger households
5. Coleman Hot Water On Demand H2oasis Portable Water Heater
Enjoy hot water on demand with this portable camping water heater. It heats water up to 125 degrees Fahrenheit in just 30 seconds, providing quick and easy access to hot water in the great outdoors. The included shower head features a 6-foot silicone hose that won't kink, making it easy to take an outdoor shower wherever you are.
This water heater is powered by a high-power submersible electric pump that delivers a strong and reliable water flow. It also comes with a convenient mesh storage bag and a 5-gallon collapsible water carrier, making it easy to transport and store.
Whether you're camping, hiking, or enjoying any other outdoor activity, this portable water heater is a must-have for anyone who wants to enjoy hot water on demand.
- Provides hot water up to 125 degrees Fahrenheit in just 30 seconds
- Shower head with 6-foot silicone hose for easy outdoor showering
- High-power submersible electric pump delivers strong and reliable water flow
- Includes mesh storage bag and 5-gallon collapsible water carrier
6. Ecosmart 240v Electric Tankless Water Heater
Say goodbye to lukewarm water with this efficient and compact electric water heater. With a 5.5KW heating system, it provides instant and consistent hot water at a temperature of 116℉ or higher, making it perfect for sinks. No more waiting for preheating or dealing with temperature fluctuations.
Featuring smart self-adjustment, the water heater adjusts power input based on flow rate and temperature settings in real-time. This ensures you get the ideal temperature without the risk of scalding, even if the water flow is reduced. With 98% energy efficiency, you can save a considerable amount of electric charge.
The tankless water heater comes with a digital display and touch control panel, making it easy to set the temperature. Simply turn on the tap and let the smart unit do the rest. This black model does not come with a remote control, but it is perfect for installation under the sink.
Safety was a top priority during the design of this water heater. It comes with multiple protection devices and undergoes strict testing to ensure 100% safety. The inner water and electricity lines are designed to run separately, preventing leakage or harm from scale build-up. This water heater has been approved by ETL and qualifies for UL, ensuring outstanding performance for years to come.
This sleek tankless water heater is compact and can be installed anywhere close to an outlet to avoid energy waste. It can be mounted horizontally, vertically, or obliquely, making it ideal for use in kitchens, bars, schools, hospitals, communities, and hair salons. Please verify that it is the right size for you: 5.5kW@240V; dimensions 11" x 7.5" x 2.35"; pipe fittings: 1/2" NPT.
- Instant and consistent hot water supply.
- Smart self-adjustment for optimal temperature without the risk of scalding.
- 98% energy efficiency saves on electric charge.
- Digital display and touch control panel make temperature setting easy.
- Compact design allows for installation anywhere close to an outlet, avoiding energy waste.
- Multiple protection devices and strict testing ensure 100% safety.
- Can be mounted horizontally, vertically, or obliquely, making it versatile for various settings.
- – Does not come with a remote control.
7. Minitank Pro: On-Demand Electric Water Heater
The 2.5 gallon Pro mini-tank electric water heater is a multipurpose device that is easy to use and install. It can be shelf, wall, or floor mounted, and the 43.3'' cord plugs into a 120-volt outlet for independent installation or in-line with a large hot water source. The maximum water pressure is 150 PSI, and it comes with a CSA-listed Temperature & Pressure relief valve for added safety.
The Pro mini-tank electric water heater's product dimensions are 12.9" W x 12.9" H x 11.5" D, making it a compact and convenient option. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water right where you need it.
This electric water heater features a thermostat control that allows you to adjust the water temperature to your liking. Additionally, a high limit device provides protection while overheating. The glass-lined tank ensures that the electric water heater is easy to maintain and has a long service life.
Overall, the Pro mini-tank electric water heater is a high-quality and long-lasting solution for convenient hot water. Its multipurpose nature and compact size make it an excellent choice for any household or workspace.
- Multipurpose and easy to install
- Comes with a Temperature & Pressure relief valve for added safety
- Compact size – fits under your sink to provide hot water right where you need it
- Thermostat control allows you to adjust the water temperature
- Glass-lined tank is easy to maintain and has a long service life
- – Only provides 2.5 gallons of hot water at a time
- – May not be sufficient for larger households or workplaces
8. Hot Water On Demand – Nutrichef Boiler & Warmer
The Hot Water Dispenser is an essential appliance for any household as it features a large capacity of 5L boiling water to 212°F in just a few minutes. It provides three dispensing methods including automatic, manual dispense & cup switch, which works by holding the cup up to touch the switch behind the spout. With the 360° rotating platform at the bottom, it becomes easy to access hot water from any angle and make dispensing easier when the tank is full. It is safe for placement on any table or countertop.
The built-in LED light is a convenient feature that illuminates when dispensing. It also features a visible water with clear level marks, which makes it easy to control the water capacity and add water in time. This water boiler is perfect for making drinks including instant coffee, tea, and soups. The 750W insulated pot keeps water warm throughout the day, making hot water readily available anytime, and for added safety, it shuts itself off once the pot is empty. Additionally, it has a dispense button safety lock to prevent accidental pouring.
The adjustable temperature feature allows you to heat the water directly to the selected Keep Warm temperature, which includes 149°F, 185°F, and 208°F only, without reaching a boil. The water will reach the selected Keep Warm temperature quicker than the regular mode. This feature is perfect for when you need hot water at a specific temperature for different beverages.
In conclusion, the Hot Water Dispenser is a must-have appliance for any household, especially for tea and coffee lovers. It is easy to use, safe, and convenient. With its large capacity, adjustable temperature, and built-in LED light, it is perfect for everyday use.
- Large 5L capacity for boiling water quickly
- 360° rotating base for easy access to hot water
- Built-in LED light for easy dispensing
- Adjustable temperature for different beverage needs
- Auto shut-off and safety features for added protection
- – May be heavy when filled with water
9. Insulated Stainless Steel Hot Water Dispenser.
The Keep Water Hot Percolator is a cordless electric kettle that boils water quickly and keeps it hot for a long time due to its vacuum insulation. With a power of 120V, it is simple to operate by plugging it in and features an auto power off function for safety. The LED illuminated power indicator and child safety lock-on lid make it more convenient to use. This electric kettle has a compact tabletop design, making it suitable for placement on any kitchen table or countertop.
This electric water kettle is perfect for entertaining guests or enjoying coffee or tea with ease and style. It features a multi-dispense ability with three modes including auto, button, and pump. The button-activated water dispense function makes it easier than ever to cater to your guest's needs.
The hot water kettle electric has a large water capacity of 3.38 quarts, which means less time spent refilling and more time spent with your guests. In addition, refer to the attached PDF in Technical Specification for User Manual.
- Quick boiling and keeps water hot for a long time with vacuum insulation.
- Simple plug-in operation with convenient power cord, auto power off function, LED illuminated power indicator and child safety lock-on lid.
- Compact tabletop design suitable for placement on any kitchen table or countertop.
- Multi-dispense ability with three modes including auto, button, and pump.
- Large water capacity of 3.38 quarts means fewer refills and more time spent with guests.
10. Ge Point Of Use Electric Water Heater Bundle
The Point of Use Water Heater is a convenient solution for hot water where you need it on-location, and it works well in limited spaces such as kitchens, bathrooms, laundry rooms, cabins, RVs, garages, and sheds. This compact design is easy to install with standard 3/4-in NPT water connections and connects into any 120-volt supply for simple installation. It can work as a standalone unit or inline with another water heater to boost long pipe runs or washing machines. With this hot water booster, you can enjoy hot water anytime and anywhere with ease.
The Electric Water Heater Overflow Protection Pan is made of premium semi-flexible 0.0625-in. plastic polymer that provides reliable floor protection from electric water heater overflow or drips. It is easy to install by sliding under a water heater or appliance, and features an integrated 1 to 1.5 in. PVC adapter for easy water drainage. This protection pan is durable and long-lasting, ensuring your floors stay safe from water damage.
- The Point of Use Water Heater is compact and easy to install, making it ideal for limited spaces.
- It can be used as a standalone unit or inline with another water heater to boost long pipe runs or washing machines.
- The Electric Water Heater Overflow Protection Pan is made of premium semi-flexible 0.0625-in. plastic polymer for long-lasting durability.
- It is easy to install and features an integrated 1 to 1.5 in. PVC adapter for easy water drainage.
Best Electric On Demand Hot Water Heater FAQs
Are there any specific installation requirements for an electric on demand hot water heater?
Yes, there are specific installation requirements for an electric on-demand hot water heater. Firstly, the heater must be installed in a location that is easily accessible for maintenance and repair. It should also be installed on a wall that can support the weight of the unit and be close to an electrical outlet.
Secondly, the electrical wiring must be correctly installed and grounded to prevent electrical shocks or fires. It is recommended to have a professional electrician install the wiring to ensure that it is done properly.
Thirdly, the hot water supply and cold water inlet pipes must be correctly connected to the heater. The water flow rate must be sufficient to ensure that the heater can provide hot water on demand.
Lastly, it is important to follow the manufacturer's instructions for installation and maintenance of the electric on-demand hot water heater. Failure to do so may result in damage to the unit or even injury to persons nearby.
In conclusion, it is essential to follow the correct installation requirements for an electric on-demand hot water heater to ensure optimal performance and safety.
How does an electric on demand hot water heater work?
An electric on-demand hot water heater, also known as a tankless water heater, works by heating the water as it flows through the system. Unlike traditional water heaters that continuously heat and store large amounts of water, on-demand heaters only heat the water that is needed.
When a hot water tap is turned on, cold water flows into the heater through a pipe. The water is then heated by an electric element or a gas burner as it passes through the system. The heated water is then delivered to the faucet or showerhead.
The system is controlled by a flow sensor that detects when water is being used and triggers the heating process. Once the hot water tap is turned off, the flow sensor shuts off the heating process.
Electric on-demand hot water heaters are energy-efficient because they only heat the amount of water that is needed. They also save space since they do not require a large storage tank. However, they may not be suitable for households with high hot water demand since they may not be able to keep up with the demand.
How long can an electric on demand hot water heater provide hot water before needing to recharge?
The length of time an electric on-demand hot water heater can provide hot water before needing to recharge varies depending on the specific model and the amount of hot water being used. Generally, these heaters can provide a continuous supply of hot water as long as they are properly sized for the household's hot water needs.
However, it's important to note that electric on-demand hot water heaters can have a slower flow rate than traditional tank water heaters. This means that if multiple hot water sources are being used simultaneously, such as a shower and a dishwasher, the heater may struggle to keep up with the demand, leading to a decrease in water temperature or flow rate.
It's recommended to consult with a professional plumber or electrician to determine the appropriate size and type of electric on-demand hot water heater for your household's needs, as well as to ensure proper installation and maintenance. With proper installation and usage, an electric on-demand hot water heater can provide a reliable and efficient source of hot water for many years.
How much energy does an electric on demand hot water heater consume compared to a traditional water heater?
An electric on demand hot water heater is a more energy-efficient option compared to a traditional water heater. The reason being, the traditional water heater has to keep a large amount of water heated at all times, even when there is no demand for hot water. This results in a continuous energy consumption to keep the water heated. On the other hand, an electric on demand hot water heater heats water as it is needed, which reduces energy consumption.
The amount of energy consumed by an electric on demand hot water heater varies depending on the usage, size, and model of the heater. However, in general, an electric on demand hot water heater consumes around 20-30% less energy than a traditional water heater. This translates to significant savings on energy bills in the long run.
Moreover, an electric on demand hot water heater is also more environmentally friendly as it reduces energy consumption, which in turn reduces greenhouse gas emissions. Therefore, investing in an electric on demand hot water heater is a smart decision for those looking to save money on energy bills and reduce their carbon footprint.
What are the benefits of using an electric on demand hot water heater?
Electric on demand hot water heaters, also known as tankless water heaters, have several benefits over traditional water heaters. First and foremost, they are energy-efficient as they only heat water when it is needed, unlike traditional water heaters that keep a large tank of water heated constantly. This can lead to significant savings on energy bills over time.
Another benefit is that they take up less space as they don't require a large tank. This is particularly beneficial for those who live in smaller homes or apartments where space is limited. Additionally, they have a longer lifespan than traditional water heaters, lasting up to 20 years with proper maintenance.
Electric on demand water heaters also provide a continuous supply of hot water, eliminating the need to wait for a tank to refill and reheat. This is particularly useful for larger households or those who have high hot water demands. Finally, they are more environmentally friendly as they produce fewer greenhouse gas emissions than traditional water heaters.
Overall, electric on demand hot water heaters offer several benefits, including energy efficiency, space-saving, longer lifespan, continuous hot water supply, and environmental friendliness.