Best Tankless Water Heater for Large Homes

Best Tankless Water Heater for Large Homes (A Comprehensive Guide For 2020)

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Are you looking to invest in the best tankless water heater for large homes?  Well, here we have reviewed the best tankless water heaters available in the market for 2020. Just a quick preview of the working mechanisms, when it comes to buying water heaters, it’s fundamentally important to consider your geographical location as this will determine the performance of the water heater that you are about to purchase.

Tankless water heaters aren’t going to work well in northern climates compared to the southern climates where it’s always hot, so natural gas is best recommended for northern states.

From a technical standpoint, all-electric water heaters work based on flow and temperature rise. If the water heater can’t control the inflow of the water, it can’t control the outflow of the water temperature. In the wintertime, the average temperature rise in the northern states is slower than the average temperature rise in the southern states, and the water heater can’t keep up and can’t control the flow.

In this article, we are going to be precise, sweet, and straight to the point as we review the best economic and energy-efficient tankless water heater system out there with their most efficient temperature points which will best serve your residential needs.

It’s worth noting that you will need to consider the waiting time between the heater and the taps when installing the tankless heater for a large home. You will need the most convenient spot for the water heater to supply hot water at multiple points of use.

If you are in a hurry please check our handpicked Tankless Water Electric Water Heater based on latest customer reviews. Use the link below to order the product on Amazon.com

Bosch Electric Mini-Tank Water Heater

Editors pick


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“The best electric tankless water heater in the market currently. Highly recommended”


Stiebel Eltron 232886– Single

Market best seller


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“The most eco friendly electric tankless water heater “


 ECO SMART ECO 27 – Best Electric Tankless

Best budget

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The most pocket friendly electric tankless water heater which will guarantee hot water on demand”


Rheem RTG-95XLN-1 9.5 GPM Outdoor Tankless

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Rinnai RUC98iN Ultra Series Indoor Natural Gas

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Best Tankless Water Heater for Large Homes

Brand/ModelMaximum Flow RateRating
1. ECO SMART ECO 276 GPM9.4/10
2. STIEBEL ELTRON TEMPRA PLUS 244 GPM9.3/10
3. RHEEM RTEX13 Electric Tankless4 GPM9.2/10
4. V94iN – Natural Gas/9.4 GPM4 GPM8.5/10
5. Camplux ME25 Mini Tank Electric Water Heater2.5 GPM9.1/10
6. Bosch Electric Mini-Tank Water Heater4 GPM9.2/10

Lets Dive in ……

1.  ECO SMART ECO 27 – Best Electric Tankless Water Heater


  • Digital temperature control.
  • Compact size saving valuable storage space.
  • Activation Flow: 0.3 GPM.
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The performance of these water heaters is nothing short of amazing, thus making it the most recommended water heater in the market. It is a very efficient tankless water heater that can serve a more demanding water usage needs.

Features and Benefits

  • Self-modulating technology

One of the reasons it’s popular is because of its accurate digital temperature control that adjusts temperature rise in increments of 1 degree.

Depending on factors such, the climate i.e. colder temperatures as low as 37 degrees (F) or warmer climates with temperature as low as 67 degrees (F), the hot water demands and the size of the model, this devices will be able to heat the water at the rate of between 2 gallons per minute and 6 gallons per minute. Marey Tankless

They will also not provide more heat than the energy required thus cutting down on heat loss up to 99.8%, thus saving costs.

Self-modulation makes these heating devices a very efficient tankless water heater.

  • Digital temperature display

It features a digital temperature display, making it easy to use. The display shows the outflow temperature. Through the control panel, you can conveniently adjust the temperature to suit your needs.

The temperature display has a safety limit of 140 degrees (F) which minimizes the chance of scalding yourself.

  • Endless hot water

If you correctly pick the right sized Eco Smart Eco Tankless Water Heater, it will offer an endless supply of hot water needs for multiple or single applications.

If you choose eco 11, the optimum performance of this model would be 2 gallons per minute at 67 degrees (F) and above. This size will serve two sinks and one shower running at the same time in southern states. While in the northern states it will serve one shower or two sinks.

The next model eco 18 has an optimum performance of 2.5 gallons per minute at 37 degrees (F) and above. It serves one shower and a sink simultaneously in the northern states while in the southern states it serves two showers and sinks simultaneously.

The next model is eco 24. In northern climates, it can serve a shower and two sinks while in southern climates it can serve three showers and two sinks.

The next model is the eco 27 which is the most in-demand eco-smart model. In the northern climates, it’s capable of supplying water at the rate of 3 gallons per minute handling two showers and a sink at the same time. The southern states its capable of supplying 6 gallons per minute handling four showers and a sink simultaneously.

The final model is eco 36. This is the largest model of eco-smart electric tankless water heaters. In the northern climates, it is capable of heating two sinks and a shower at the same time while in the southern climates it can heat three showers and two and a half sinks simultaneously.

  • Compact size, affordable and reliable

They are also small and lightweight and take limited space. Their price and reliability make them convenient and suitable for an entire household because it’s on-demand hot water. It only turns on when you need hot water thus saves up to 50% on water heater Costs.

Besides, it requires a simple installation. They run on 240v across all models with a temperature range of 80 degrees (F) and 140 degrees (F).

With thermal protection installed for each model, this prevents overheating which can result in the damaged device or lead to fires.

For installation needs, technical support offers these services.

What our team likes and its benefits

  • It’s on-demand hot water. It only turns on when you need hot water thus saves up to 50% on water heater Costs.
  • Self-modulating technology making it energy efficient. This enables you to use the amount of energy that you need. You save 98.8% of energy loss.
  • Warranty which covers electronics, exchanger that covers its lifetime.
  • Simple installation. The company also offers good Personal and professional support whenever you need help.
  • Upper-temperature limit of 140 degrees F as a safety measure to minimize the chance of scalding yourself.

Product information

  • Wattage:       36000 watts.
  •  Dimensions: 17 x 19 x 3.8 inches.
  •  Weight:          18.35 pounds
Pros
  • Digital temperature control making it energy efficient.
  • Self-modulating.
  • Compact size saving valuable storage space.
  • Copper and stainless components for efficiency and durability.
  • Warranty which covers electronics, exchanger that covers its lifetime.
Cons
  • Limited lifetime warranty.

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2. Stiebel Eltron 232886– Single/Multi-Point of Use Tankless Water Heater for Large Home

  • SPACE & ENERGY SAVER.
  • Electronic flow sensor switches.
  • 3-Year Parts Warranties are included with purchase.
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If you are thinking of upgrading your water heater then, you might consider bringing the Stiebel Eltron 232886 to the table in your consideration when purchasing the best water heater. It’s a beautifully designed machine with an excellent easy to the user interface.

There is a six series of Stiebel Eltron Single /Multi-Point of Use Tankless Water Heater and Stiebel Eltron 232886 is one of them.

For over 90 years Stiebel Eltron has come up with innovative heating technology that has made its products stand out in the market completion. One of its pioneer innovations is sound elimination which makes the device silent in operation.

Let’s check out below one of the Stiebel Eltron heating devices, its product features, and benefits.

Features and Benefits

· Advanced microprocessor controls

Among its features is the advanced microprocessor control whose function is to ensure whenever the water is set at a particular temperature, it will not deviate from the set temperature if the flow changes.

This means that if there is a fluctuation in the flow rate due to multiple water usage at the same time, the system will automatically control water temperature making sure it does not drop.

It features also thermostatic controls that prevent overheating.

·    Endless hot water

Stiebel Eltron 232886 is a reliable water heater which will ensure you never run out of hot water. Using its advanced flow control, it regulates water pressure which might arise from multiple hot water demands in the household.

The device will sense a surge of hot water needs and will automatically self modulate maintaining hot water temperature. This makes the device very appropriate for large homes and households.

Its optimal operation flow depending on geographical location includes;

  • 3.9 GPM for 42 degrees (F),
  • 4.6 GPM for 52 degrees (F),
  • 5.7 GPM for 62 degrees(F)
  • 7.5 GPM for 72 degrees (F).

·      Digital temperature display

It’s operating the device through the digital temperature display. With the temperature knob you able to enjoy the desired temperature between 86 degrees (F) and 140 degrees (F).

The temperature knob eliminates the need for remote selector control which performs the same function of the temperature knob.

·      Ideal water heater

Stiebel Eltron 232886 Tankless Water Heater is the ideal water heater for two to three-bedroom homes. It efficiently converts electrical energy into heat, making an excellent eco-friendly machine while saving on your energy costs.

They are also silent while in use. Its small footprint, sleek white design, saves space yet still provides a stable temperature output for your whole house with no venting

If you are handy, it’s not too hard to install. Warranties are included with purchase.

What our team likes and its benefits

  • Digital temperature display that provides temperature readings in decimal points giving you accurate and specific reading.
  • Saves energy with auto-modulation giving you end-user comfort and device longevity.
  • Keeps temperature constant with advanced flow control. You can set the temperature at different times of the day and different days of the week.
  • Presets temperature memory buttons that save energy on heating and air conditioning.
  • Electronically controllable water flow for enhanced energy savings.

Product information

  • Model number: 232886.
  •  Weight:            1 pounds.
  •  Dimensions: 16.5 x 5.5 x 18.4 inches
Pros
  • Dramatically lower energy consumption leading to considerably lower operating costs.
  • a long warranty
  • Programmable.
  • flexibility
  • Energy-efficient
Cons
  • Costly

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3.  RHEEM RTEX13 Performance Self-Modulating Electric Tankless


  • Energy efficiency tankless water heater.
  • Value for money.
  • Temperature Control.
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Among the water heaters, we have reviewed so far; this model is the best budget and will be pleasantly surprised by its construction.

It offers the perfect balance between price features and durability besides being low in harmful emissions. In the market, it’s among the most appreciated water heater with a star rating of 4.5 stars.

What are some of its features? Below is a detailed description of its features and its benefits.

 Features and benefits 

·   Digital thermostatic control

It features an external adjustable digital thermostatic control. The whole house device can convert electric, gas or propane energy into heat. With electricity, it can convert 100% of the energy into heat while with gas or propane it converts 94% into heat.

Its energy conversion rate makes it’s an excellent eco-friendly machine while saving on your energy costs. You can cut down the electricity bill to 50%.

·    Point of use

It’s a point of use model thanks to the design nature of the water heater, which makes it convenient whenever needed. It is most ideal for a single faucet or shower. You can use it also for multiple applications when installed either outdoor or indoors.

Below is the recommended flow rate in each application.

  • Standard hand sink – 0.50 GPM
  • Kitchen sink and dishwasher– 1.0 to 2 GPM
  • Washing machine – 1.0 to 1.50 GPM
  • Water saver shower head – 1.50 GPM
  • Standard showerhead – 2GPM·
  • Digital temperature display

It features an LED temperature display that enables you to adjust temperature changes with increments of 1 degree (F). It’s also compact but powerful and has self-modulation features. You certainly don’t get more intelligent design than this. Learn more about the product below in a summary of what we liked about it.

What our team likes and its benefits

Corrosion-resistant due to the Rugged top brass and copper immersion heating elements used in the construction of its heat exchanger unit; thus, making it 99.8% energy efficient. It uses a 13-kilowatt heater element that requires 240 v and 55 amps.

  • Digital temperature display, which enables you to adjust temp increments at 1°f and also much easier to read and can calculate the temperature reading faster.
  • 8% energy efficient cutting down your electricity bill up to approximately 50 %. The initial installation cost will be paid off over time.
  • It weighs 4 pounds, making it quick and easy to install and can be mounted at the point of use. You don’t need a professional expert to do the job.
  • ON/OFF Dial Control, which you can grasp and turn on to the degree that corresponds to your desired output.
  • On-demand hot water. Water is heated directly whenever one needs it. It uses less water too and is generally safer at the end of the day.

Product information

  • Product Dimensions; 4 x 9 x 13 inches
  • Features a digital display
  • Weight; 4 pounds
  • Voltage; 240 volts
  • Wattage ; 13 KW
  • Two pipe direct vent system.
Pros
  • Energy efficiency
  • Temperature Control
  • super compact and convenient thus easy to install
  • Value for money; price is unbeatable
  • Terrific if you are living alone or couples in one bedroom apartments
Cons
  • Design is noisier
  • Less efficient with max water temperature f 120.
  • Low flow turns on.
  • Not recommended for the whole house water heater.

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   4.Rinnai V Series HE Gas Tankless Hot Water Heater

  • Natural Gas Indoor Installation Only.
  • Up to 9.4 GPM hot water flow.
  •  Factory Warranty – 120 months.
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Rinnai V series HE tankless heater is made by Rinnai which is among the oldest tankless water heater makers in the world. So what makes this water heater ideal option for large homes is because it can provide a large amount of hot water in a short time.

Its flow rate ranges 5.3GPM, 6.5GPM, 7.5 GPM and 9.4GPM. This is capable of supplying endless hot water to your entire whole house.

Rinnai is a trusted brand for over 100 years priding it for being the number one gas tankless water heater.

It has a compact design with a lot of features that will give you value for your money. Check below to learn more.

·    Large on-demand hot water supply

Depending on your household needs, Rinnai has several series of tankless water heaters to guarantee you an endless supply of hot water. These models are V94, V75, V65, and V53.

The V94 is the largest in this series and is capable of supporting 9.4GPM of water. This model can provide constant hot water for multiple bathrooms at the same time.

The V 75 flow rate reaches as high as 7.5 GPM thus it is a perfect tankless water heater a family with three or four bathrooms. Natural gas also makes it a powerful source of energy.

The flow rate of the V65 unit reaches around 6.5 GPM, which makes it ideal at keeping water at the desired temperature, even if multiple bathrooms are used simultaneously.

The final model is the V53. The flow rate of this unit reaches as high as 5.3 GPM. This is a perfect one for a family with two or three bathrooms, easily handling two or three faucets at a time without compromising on water pressure. It can be used in the southern states where temperatures are as high as 140 degrees (F).

·      Energy-efficient and affordable

Besides, Rinnai’s series has good price points, and they are energy efficient with an energy rating of 94%.

With energy needs ranging from 15200 to 199000 BTU per hour, it’s a great option that will give you a constant supply of hot water without your gas bill skyrocketing.

What our team likes and its benefits

  • A high flow rate that can meet the hot water needs for large homes. The water heater can handle multiple faucets at the same time.
  • Temperature lock feature which is designed to prevent the accidental high temperature of the water that can scald you.
  • Easy operation. It’s easy to adjust the temperature using the dial panel that displays temperature reading on an LED screen.
  • Inbuilt self-modulating technology which makes you turn on when hot water is needed.

Product information

  •  Dimensions:  14 x 8.3 x 25.9 inches.
  • Color:              V94iN – Natural Gas/9.4 GPM.
  •  Weight:         46.3 pounds
Pros
  • Energy efficient
  • Perfect for large families
  • Economical
  • Quiet operation
  • Short waiting time
Cons
  • Needs to be installed by a professional

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5.  TITAN SCR2 N-120 – 220 Volts Electric Tankless Water Heater


  • Extremely energy efficient water heater.
  • Installation is quick and easy.
  • Works very well with hard water.
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A quick preview to this powerful tankless water heater; it’s the perfectly sized tankless water heater for medium-sized families and it works on demand just like the previous water heaters.
It starts working whenever a hot water faucet is turned on. The inbuilt sensor turns on the heating element and a computer chip chooses the right power output to the elements based on the settings made by the user.

The heater will remain on until you close the hot water faucet. Once you close, the flow sensor will detect that water has stopped and switched off power to the unit.

It’s most suitable in southern states where the climatic conditions are 65 degrees (F). The electronic components have a warranty of 1 year while the water components can last 10years.
Learn more about Titan SCR2 below.

Powerful tankless water heater

This model is popularly known for its compact size. It’s the smallest unit in this list measuring 7 x 10 x 2.75 inches. Its size, however, doesn’t limit its capacity to perform though thus, consumers rate it to a stable level of 4 stars. It’s capable of supplying endless hot water for your entire home.

Temperature controller
Temperature is regulated using an analog temperature controller, which monitors the inflow and outflow twenty one times per second at 20 degrees F of 40GPM.

Easy installation
Its compact design allows for easy installation. However, in case you require assistance, you can contact the company’s support team. The company has developed a good relationship with its customers. They offer guides and live chat options too.

What our team likes and its benefits

  • Energy-saving and performance –the intelligent design of this model enable it to work well with a low amount of energy, making it quite energy efficient .you can expect to save up to 40 % of the electric bill.
  • Features a resettable thermostat manual for a safety measure that eliminates the unexpected risk of scalding.
  • Features also a digital display, which makes it extremely easy to set the temperature and to use.
  • It’s suitable for running a medium-sized house
  • Its design is simple yet good looking; therefore, you don’t feel embarrassed if it’s on the wall.
  • Installation is quick and straightforward. You can do it yourself if you are handy without the need to call for professional assistance.

Product information

  • Product Dimensions; 12 x 10 x 5 inches
  • Color ; tan steel
  • Features a digital display
  • Weight; 2 pounds
  • Voltage; 220 volts
  • Wattage ; 13 KW
  • Two pipe direct vent system.
Pros
  • Extremely energy efficient.
  • Can support a house with two bathrooms in warmer climates.
  • Works very well with hard water
  • It has a very compact size, is a space saver.
  • Installation is quick and easy.
Cons
  • 10 years of warranty on water-carrying components and one year warranty on the rest of its components.

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6. Camplux Me40- 4 Gallon Mini   Tank Electric Water Heater

  • 2.5-gallon point-of-use mini-tank.
  • Thermostat Control.
  • Value for money.
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Camplux made a name for them by being the company with a revolutionary design for its product, making it the single tankless water heater in the market. It has a series of water heaters some of which are designed to use gas, propane or electricity. This model uses electricity.

Its exterior design is stylish and attractive. It blends well with existing home decor when installed in a visible location, making this heater a great option when mounted in basements wet bar, patio kitchen station, garage, or attic.

Install the water heater directly at the point of use. Installing it in any place is quite simple. You can do it yourself by just plugging into a 110-120v electric supply socket. However, make sure the system is ultimately charged with water, and all air is removed before plugging in.

Learn more about the key features of Camplux Me40 below.

·      Thermostat Function and Freeze Protection

It is equipped with an automatically adjustable thermostat and an internal freeze protection system.

Whenever the heater isn’t used for some time, there is a possibility of the heater freezing. The freeze protection is made to keep the heater from freezing.

·      Endless hot water

Since it’s a point of use water heater, it will serve you in demand hot water minimizing waiting time. The hot water to the outlet faucet is instant. Also, its stand by time is minimal regardless of the location it’s installed. However, with a capacity of 4GPM, it is not the most suitable tankless water heater for larger homes. It’s able to supply up to 2 sinks one at a time.

·    Compact size

They are lightweight and friendly to small spaces. You can install it on the floor, shelf or mounting on the wall. Installation is easy. You only plug them into a 120v electric socket. After use, ensure you disconnect the power cord from the electric outlet.

What our team liked and its benefits

  • 4-gallon glass-lined tank which offers great insulation against heat loss. The tank capacity provides a point of use hot water which supplies up to 2 sinks at a time.
  • Thermostat Control that prevents the risk of freezing whenever the water heater is not being used.
  • Its stylish and attractive exterior design makes it possible to be mounted on the wall or shelf and will blend in seamlessly.
  • Friendly to small spaces due to their compact design.
  • Simple 120-volt plug-in connection to quickly Hot water supply at the point of use. It comes with a water pressure release valve that prevents improper functioning of the system when the pressure is off.

Product information

  • Product Dimensions; 25″ H x 11.75″ L x 10.38″
  • Color ; white
  • Features a digital display
  • Weight; 20 pounds
  • Voltage; 220 volts
  • Wattage ; 1440 watts
  • Size; 2.5 gallons.
Pros
  • Easy to install
  • Easy to use
  • Value for money
Cons
  • Higher initial costs.
  • You will need to reroute your gas lines
  • Colder climates are not ideal

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7.  Bosch Electric Mini-Tank Water HeaterEliminate Time for Hot Water


  • CONVENIENT HOT WATER HEATER.
  • LONG-LASTING QUALITY.
  • Value for money.
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This water heater is an onetime investment that will fit well into your budget and will give you value for money. It’s sleek and beautiful and is designed in such a way that it’s durable, energy-efficient; compact, thereby saving space and lightweight to enable you to install it at the point of use.

One outstanding feature with Bosch tankless water heater over traditional water heaters is the gas condensing technology.

A condensing unit will capture latent condensation heat from the exhaust gas and will use it to preheat the incoming cold water thus making them 10% more efficient.

For pressure relief valve, it’s recommended to follow instructions to avoid moisture leakages carefully.

It’s a best seller in the market with a star rating of 4.5 out of 5. Learn more about Bosch tankless water heater below.

·     Endless On-Demand Hot Water

They work on demand to provide hot water when needed and as long as it’s needed. The big advantage of on-demand hot water supply is that reduces needless energy consumption cutting water heating costs down to 50%.

It fits well under your kitchen or bathroom and sinks faucets. Get instant hot water in your apartment, RVs, in your basements, garages and pool houses.

·    Built-in digital control panel

Bosch tankless water heater has an inbuilt control panel with no high to low setting but it’s digitally controlled with precise temperature increments of 2 degrees increments.

·    Maintains efficiency over the life of the device

With an inbuilt turbulators, the Bosch water heater will work efficiently and last long because this feature prevents sediment build-up and scaling that normally reduces the operating efficiency. Most customers report that they have used their Bosch water heater for nearly 15 years with no instances of failed operation.

What our team liked and its benefits

  • Energy-efficiency; the unit is scored 94 percent in the conservation of heat energy, making it thermally efficient.
  • Independent installation; you can install independently right where you need it. You can mount the water heater on the wall or fit it under your kitchen sink or bathroom.
  • Eliminates long waits for hot water; it’s designed to recover heat faster, thus cutting short the time taken to heat the water.
  • Saves space; it great for small areas due to its compact size. Make sure you get the right dimensions.
  • The glass lining offers insulation against loss of heat and its designed in such a way that it’s durable.

Product information

  • Product Dimensions; 75 W x 13.75 H x 13.5
  • Color ; white
  • Weight; 9 pounds
  • Voltage; 120 volts
  • Wattage ; 1440 watts
  • Size; 4 gallons.
Pros
  • Easy to install
  • Temperature Control
  • Value for money
  • Tech Support
Cons
  • Inconsistent water temperature
  • Initial installation is costly
  • Might require additional maintenance.

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8.  AB Wise Water Tankless Instant Water Heater18kW 3/4”NPT for Domestic Hot Water 


  • Energy saving: 50% less energy.
  • Protection feature: over-pressure, electricity leakage, scalding,  and overheating.,.
  • Lower energy costs.
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This equipment is designed with an array of unique features, unlike other water heaters. It has an automatic memory, which saves you the time and energy of repeatedly setting the temperature. Other features coming along include a stainless steel heating element keeping it corrosion and aging resistant and IMD slash-proof casing.

These important features make this product one of the opted options of water heaters giving it a star rating of 4.6.its also quite beautiful to look at, thereby providing a right blend wherever it’s placed.

What our team liked and its benefits

  • Guaranteed continual supply of hot water on demand. The stainless steel heating element keeps the water temperature consistent, thereby giving you long showers hot no matter how many.
  • Saves up to 50% on your heating cost due to its 99.8 percent energy efficiency.
  • It’s Durable. The stainless steel heating element is corrosion and aging resistant; thus, you will enjoy using this water heater for quite a long time.

Product information

  • Product Dimensions; 19 x 14.5 x 5.5 inches
  • Color ; white
  • Weight; 9pounds
  • Voltage; 240 volts
  • Wattage ; 5 KW
  • Size; 4 gallons.
Pros
  • Longer warranties.
  • Ideal for homes with limited space.
  • Lower energy costs.
  • Access to instant hot water.
Cons
  • Additional equipment when installing.
  • High initial cost.
  • Colder climates are not ideal

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9.  ECOTOUCH Tankless Water Heater Electric

Remote Control Digital Display Energy with 1.5 GPM On-Demand Hot Water Heater


  • INSTANT & SUFFICIENT HOT WATER.
  • SMART SELF ADJUSTMENT.
  • Eliminates standby heat losses.
  • Durable.
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Armed with a patented self-modulation technology, this model is truly an eco-friendly water heater that will significantly save your energy loss and cut down on electric bills down to 60 percent. It features a digital display and touches control panel that will enable you to heat water conveniently when you want to do light tasks such as washing your hand or taking a bath, giving you a warm and relaxing feeling.

Its 4.6 stars rated product in the market, making it a much sought out electric tankless water heater that you should give a try.

What our team liked and its benefits

  • It’s a multiple application device where you can use it in your kitchen sink to wash dishes and also the bathroom giving you an endless supply of hot water.
  • An array of features such as digital display and control panel enabling you to heat the water conveniently.
  • Multiple safety precautions which are simple to follow on different occasions.

Product information

  • Product Dimensions; 19 x 14.4 x 5.5 inches
  • Color ; black
  • Weight; 95 pounds
  • Voltage; 240 volts
  • Wattage ; 9 KW
  • Size; 4 gallons.
  • Material; metal, aluminum ,brass
  • Required Circuit Breaker : 1x 2-Pole 40 AMP

Pros
  • Eliminates standby heat losses.

  • Saves on space

  • Durable. It will last longer.
  • Access to continuous hot water.
Cons
  • Expensive initial installation.
  • Requires additional maintenance.
  • Colder climates are not ideal

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10.  Atmor At-S901-13 Tankless Electric Hot Water Heater– 13Kw


  • Ideal for a full bathroom.
  • 3 settings:  medium – 8. 5Kw, low – 4. 5 kW. high – 13Kw,
  • Value for money.
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For the efficiency and convenience of hot water, this unit is the perfect solution. This equipment is designed with an array of unique features, unlike other water heaters. It provides an instant unlimited flow of hot water on demand. It offers value for your money for your bathroom needs due to a water saver designed feature that ensures it reaches its optimum performance.

It’s one of the opted options of water heaters giving it a star rating of 4.6.its also quite beautiful to look at, thereby providing a right blend wherever it’s placed.

Other features are illustrated more below. Continue reading to learn more about AB wise tankless water heater.

· Self modulating technology

Armed with a patented self-modulation technology, this model is truly an eco-friendly water heater that will significantly save your energy loss and cut down on electric bills down to 60 percent.

· Digital display

It features a digital display and touches control panel that will enable you to heat water conveniently when you want to do light tasks such as washing your hand or taking a bath, giving you a warm and relaxing feeling

· Automatic memory

Among its other features, it has an automatic memory, which saves you the time and energy of repeatedly setting the temperature

What our team likes and its benefits

  • Save energy, water, money and time; this unit is priced at such a lower price than its competitors but you shouldn’t doubt its performance. It works perfectly providing you with a continuous supply of hot water.
  • Ideal for the full bathroom; a water saver shower head which is designed specifically to offer you a pleasant relaxation moment in your bathroom.
  • A guaranteed continual supply of hot water on demand. The stainless steel heating element keeps the water temperature consistent, thereby giving you long showers hot no matter how many.
  • Saves up to 50% on your heating cost due to its 99.8 percent energy efficiency.
  • It’s Durable. The stainless steel heating element is corrosion and aging resistant; thus, you will enjoy using this water heater for quite a long time.
  • It’s a multiple application device where you can use it in your kitchen sink to wash dishes and also the bathroom giving you an endless supply of hot water.
  • An array of features such as digital display and control panel enabling you to heat the water conveniently.
  • Multiple safety precautions which are simple to follow on different occasions.

Product information

  • product dimensions 7.3 x 3.5 x 11.8 inches
  • item weight 5 pounds
  • color white
  • voltage 240 volts
  • wattage 13 kw
Pros
  • Value for money
  • Easy installation
  • Long warranties
  • Ideal for homes with limited space.
  • Lower energy costs.
  • Access to instant hot water.
Cons
  • Might develop a heating complication
  • Expensive initial installation.

Check Price on Amazon


 

Troubleshooting Tankless Water Heaters

Tankless water heaters usually have minimal issues that could arise either right after installation or even much later. However, whenever these issues occur consider following these procedures. It will surely keep your tankless water heater running, lengthen its life.

First Step:  check the on the filter. The filter could be clogged with debris, and you need to clean it. Cleaning the filter is a simple D-I-Y job since it does not require tools. If your installer offers a preventative maintenance program, you should sign up for it.
The Second Step: is a crossed water line. To identify and rule out a crossed water line, you shut the cold water valve to the tankless and open a hot water (only) faucet in the house. Pressure should quickly bleed off to zero. If water keeps flowing, you have proved a crossed water line.

The Third Step: remove the flow restrictor from the head because it could be the cause for lack of flow.
If you get in the shower and turn it on to full hot to get the water, but the heater fires back up, on and off, it could be due to low flow, and only need to remove the flow restrictor.

BOTTOM LINE:

After extensive research and testing over these tankless water heaters, getting the single best water heater is not that straight forward and an ideal water heater has to be one that first fits your home and your intended needs. We hope this will give you a good buying guide when looking for your ideal electric tankless water heater.

BENEFITS OF TANKLESS WATER HEATERS

Even when the initial cost of installing a tankless electric water heater might be higher compared to tank water heaters below are an array of benefits of investing in an electric tankless water heater.

1.ENERGY SAVINGS

Tankless water heaters save fuel (up to a 50% reduction in fuel). This is because they do not have to maintain a supply of hot water. They are also fully modulating, thus making them more fuel-efficient.

If you want to know what your savings, we recommend having the “Energy Guide” sticker. This is an “estimate” of the cost to operate the product for a year. This will guide you in comparing the different energy use between traditional and tankless water heater.

 2.SAVES SPACE 

Compared to their counterparts, the traditional tank-type water heater tankless water heater saves a lot of space.

A tank-type heater installed in the garage requires a floor stand, a pipe to protect against vehicle impact, and frequently venting to the roof while on the flip side a tankless water heater is wall-mounted and can be sidewall vented, keeping the cost of venting close to a minimum.

 3.PERFORMANCE 

A tankless water heater provides enough capacity to meet hot water needs. They can fill all the tubs of a home and then offer back to back showers, do the dishes, and wash the clothes.

On the other hand, a tank type heater has to be very large to do all of these things without running out.

With the best tankless heater with the proper capacity, it is possible to handle multiple household needs at once without the worry of running out of hot water.

4.SERVICEABILITY

Tankless water heaters are very easy to work on. With the help of a manometer, a convenient tool to have, you can measure how long they are going to last, which is about 20 years on average.

 5. ENVIRONMENTAL IMPACT:

With the green house movement it’s probably ideal to own an electric tank than a gas tankless. Electric tanks have zero green house emissions while the gas tankless produces greenhouse gases and relies on fossil fuel.

  1. PRICE

The initial installation cost for electric tankless water heaters might be higher than the traditional tank water heater but in the long run the electric tankless cuts down on the electric bill thereby recovering the cost. A good quality electric tankless water heater can average between $500 to $800.

For gas tankless venting requirements are quite expensive.gas tankless price between $1000 to $1200.


Do Tankless Water Heaters Need Maintenance?

Well, water heaters need a maintenance of 12 to 18 months period depending on the number of people in your home.You might consider doing these routine checkups to check on the status of your water heater.

Minimum Flow Rates

Checking on minimum flow rate your flow rate is an important consideration when doing maintenance.This will impact on the performance of the water heater. The flow rate should be a minimum of 0.5 GPM, which is the recommended number or less for a residential application and one that will operate well down to about 30 PSI system pressure.
Whenever you start experiencing problems with your water tankless heater Look for it in your owner’s manual.

Venting Tankless Water Heaters 

Poor Venting might drastically reduce the life span of your water if the water heater is not vented correctly. The product will condensate, thus making it to fail. Also, it could lead to carbon Monoxide poisoning.
Venting can be done on a tankless water heater, either out a side wall through horizontal venting or through the roof. During installation ensure that there is room for proper venting.

Water Pipe Connections

During installation, call on a professional plumber to do the water pipe connection. They will ensure that the inflow outflow of your tankless water heater is running correctly.

Hard or Acidic water

To protect your tankless water heater from acidic water, you might consider installing a neutralizing system. Acidic water will eat the copper piping in a tankless water heater as well and shorten its life and well as possibly void the warrantee.
Tankless water heater might develop a leak heat exchanger, but even then, that part can be replaced, and your tankless is back in service without a replacement unlike With a tank heater that once the tank gets a leak, you throw it away and you get another one. This makes tankless heaters more environmentally friendly because less material is going into landfills. Energy saving

Is The Tankless Water Heater Worthy It?

Below are some of the reasons that will make you consider buying a tankless water heater besides endless hot water a limited impact on the environment.
One a very small compared to traditional water heaters saving you valuable space.   

  1.  it’s built with such materials as copper, stainless steel, and aluminum that are replaceable and might last a lifetime.
  2.  They are almost entirely recyclable.
  3. Will not develop a corrosive leak like a storage-tank water heater, saving you from expensive water damage in your home.
  4.  Capable of maintaining efficiency throughout the lifetime of the unit.
  5. with its efficiency in energy savings in the long term it will translate to dollar savings for you.

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