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Is a tankless electric water heater for you?

What is a Tankless Electric Water Heater

Tankless electric water heaters take much less space than storage type as water was heated directly. When you turn on the hot water, cold water travels into the tankless water heater where it is heated by electric heating element. This allows you a constant supply of hot water.

For those large families who using a lot of hot water, install more than 1 heater is common. This will ensure non-stop hot water for showers, laundry and the dishwasher.

Advantages

Tankless electric water heaters (also called “on demand” units or an instant electric water heater) use 30 to 50% less electricity than tank type, saving about $100 or more per year, depending on water usage.

· Water was heated only when you turn on the faucet.

· The main advantage is that they eliminate the extra cost of keeping big volume of hot water in a storage tank, so you waste less energy.

· Continuously hot water supply, which is ideal for filling a big hot tub.

· Much more compact than a standard water heater and mount on a wall.

Electric vs Gas Tankless Water Heaters

The biggest difference between electric type and gas type is their efficiency. Electric tankless water heaters are typically around 98% or more efficient while gas type is around 80-85% efficient.

Tankless water heaters will free up space that a bulky water heater typically occupies.

The Bottom Line: Pricing and Installation

When you’re pricing a unit, be sure to get an estimate or firm bid on installation costs. This is not a do-it yourself project unless you have pro-level skills. You can contact us (JNOD) for more professional instructions.

Figure A: Tankless Water Heater Details

When a hot water tap is opened, the heating elements turn on. Water is heated as it flows through the heating element.

Traditional hot water heaters can’t keep up with today’s appliances.

Newer solutions on the market, including tankless water heaters, change the way your water is heated.

When you turn on the tap, water flows through the unit and is heated before it reaches the faucet.

There is no storing, no useless heating and definitely no wasted energy on keeping the water at a set temperature even when you don’t use it.

Below are some tips on how to choose the best tankless water heater for your home

1. Consider the size of your home.

If your house is smaller or you don’t regularly use a lot of hot water, buy just one tankless heater for your entire home.

But if you do use a lot of hot water, you can also connect multiple units for whole-house water heating.

2. Gas or Electric?

Did you know that tankless water heaters are available in both gas and electric?

Make sure to choose the one that is most efficient for your home and your wallet.

3. Finding the properly sized tankless water heater for your home.

Unlike regular water heaters, tankless heaters are sized by the number of gallons of hot water they produce per minute (GPM), not their size.

It is recommended you make a rough list of how much water you use, and whether these usages collide with one another.

For example, you can use the rule-of-thumb sizing to do the estimation on your own.

Here are some rough estimations commonly used:

· 1 bathroom or 1-2 people requires 140,000 BTUs

· 2 bathrooms or 2-3 people requires 190,000 BTUs

· 3 bathrooms or 3-5 people requires 380,000 BTUs

Nevertheless, it is still best that you consult a professional plumber  to make sure your tankless water heater is the right size for your home.

4. Call a professional plumbing company.

Even do-it-yourselfers need to call on a professional sometimes, especially to install a tankless water heater.

This way you are completely confident your system is installed efficiently, effectively and correctly.

Additionally, you can ask for advice on how to suit this system according to your individual requirements.

5. Easily maximize your water heater’s efficiency.

You can maximize the potential of your heating system by insulating all of your exposed pipes.

This will make your water output produce 2 to 4 degrees warmer when it comes out of your faucet as well as protect your home’s pipes from freezing in the winter.

When it comes to tankless electric water heater, one of the biggest mistakes is buying a unit that is too weak to satisfy whole house hot water needs.

You don’t want one that is too small to supply whole house hot water needs, nor too big that power cord could not support the amperage when the instant electric water heater works.

The power of tankless water heater should be as appropriate to your household hot water needs as possible.

How many kW for JNOD tankless electric water heater?

To properly answer which power do you need, you have to figure out below points beforehand:

1. How’s the temperature of inlet water at coldest time?

2. How many degrees could the certain heater heat up at how much water per minute?

Example:

If inlet water flow has 2L/min, max temperature rise of a 5kW model could be up to max. 35℃, But in the relatively cold area, winter time the coldest water temperature is 0℃, plus 35℃, it could only reach 35℃, even it works with full power, there still not hot enough for shower use.

But for the warmer area, in winter, inlet water still have 12℃, then total it could heat up to 47℃, it was quite good enough for your shower use.

In JNOD, we have a professional team to help you choose models with a most suitable power, no matter for single shower use or multiple points use, we will help to fulfill your different hot water requirement!

Tankless water heaters are becoming more widespread and the right choice for more people and more properties now. Compared to tank water heaters, tankless water heaters have a longer lifespan, lower operating costs, and a number of other benefits. But how do you know if a tankless water heater is right for you – and if it’s worth the investment?

1. Your Old Water Heater Is Wearing Out

As a water heater gets older, it becomes less efficient. The heating elements and other parts of the heater can get clogged with grime and corrosion, leading to higher heating costs, and poor performance. If your old water heater is wearing out, you may want to consider foregoing the traditional, tank-based water heater in favor of a tankless model. Because you’ll be purchasing a new unit anyway, this is the perfect time to make the switch!

2. You Want To Lower Your Monthly Energy Bill

Instant hot water is delivered on-demand which nearly eliminates standby heat loss. Water flows through an advanced system of electric heating elements, which instantly heat it up the desired temperature. There is no need for the storage of hot water – which boost efficiency dramatically. Tank water heaters hold the water within a tank where it is heated and re-heated until needed. According to the US Department of Energy, a tankless water heater uses up to 34% less power to heat water. Moreover, based on the same study, electric tankless heaters bring in savings of about $44 per year.

3. You Constantly Run Out Of Hot Water

Tankless hot water heaters are rated to provide a certain number of gallons per minute (GPM) – this is the rate at which the heater can constantly heat and deliver hot water to appliances and faucets throughout your home. he chart below shows the range of water usage range and average water temperatures for various fixtures. We suggest using 2.5 gpm for a shower and 1.0 gpm for a bathroom as a reference point in determining your total simultaneous water needs.

Recognize Any Of These Signs? Invest In A Tankless System Today!

If you decide a tankless water heater is the way to go, the size of your home will help determine the size of the heater you need, whether you need more than one, and where the heater(s) should be located. One of our professional, JNOD will assess your unique needs, and recommend the type of water heater that would best meet your expectations and budget. Be sure to ask about special promotions!

We are a professional manufacturer of instant electric water heater and electric water tap, which is located in Shunde, the hometown of producing electric appliances. We are a set of manufacture, research and development, marketing integrated company.

We introduced a series of advanced production and detection facilities since foundation, with annual production capacity of million sets, the products are exported to north and south America, Europe, and other countries all over the world. Owning the best OEM and ODM exportation, technology and quality, we have become one of the most professional manufacturers of instant electric water heater and electric water tap in China.

JNOD insisted on developing with technology innovation, we possessed of several national famous technicians and had invented multiply product patents. We strictly implemented the ISO international quality management system, produced all the main parts and components independently, and the products passed the CCC, CB, CE, ETL(UL standard) certification with reliable guaranteed quality. In October 2021, JNOD Testing Centre achieved CNAS accrditation, being recognized by the National Laboratory, becoming one of the first enterprises with national accreditation laboratory qualifications in the electric water heater industry.

Our sales team have extensive experience of oversea markets.

We provide sincere and professional services, including OEM/ODM services, technology support, market analysis, usage of design and composition of installation. We have succeeded in providing marketing consultancy services and business solutions for our customers from over 50 countries. With tailor-make solution of hot water supply base on customers market demand, we helped many customers obtain great sales performance and were highly regarded.

Make the worlds best products, create the international top brands are the pursuit and dream of JNOD.

Let’s look forward to the future, we sincerely invite you to cooperate with us and achieve win-win together for a better tomorrow.

ODM

Major in providing required products for the customers with our strong capability of research and development on ODM basis.

OEM

Achieve customer’s own idea and design for the products and mass production.

JNOD BRAND

JNOD do self-owned brand in China domestic and the oversea market, in addition, we have authorized brand agent in Argentina.

Of course not, it’s so easy. Please follow me to see how to install.  

Firstly, the installation must be in compliance with the National Electrical Code, your local electrical and plumbing codes.

1. Make sure the appliance is intact, and the fittings are complete.

2. Please make sure the main power supply, water pressure, grounding condition, ammeter and wire reach the standard of installation requirement.  

3. The appliance must be connected to properly grounded dedicated branch circuits of proper voltage rating. Ground must be brought to the “ground” at the circuit breaker panel.

4. This appliance MUST be permanently connected to the fixed circuit breaker. If you don’t use the heater, please switch off the circuit breaker.

5. DO NOT install this appliance near to tinder or strong magnetic field place. The appliance can be installed above or under the sink, and unit must only be mounted in a VERTICAL position near by the water fittings. Please electrify try the machine after getting through waterway.

Second, how to install?

●General

The Mini tankless electric water heater can be used for hand washing, kitchen and it can be installed above or under the sink.

●Mounting the unit

1. Locate an appropriate place on a section of wall as above mentioned.

2. Drill two holes of 6.00mm diameter: if you install the heater upright above the sink, the distance between every two holes is 172mm; if you install the heater upside down under the sink, the distance between every two holes is 150mm. Put plastic anchor in the holes

3. For Upright Installation, nail in the floor in upper hole. For Downward Installation, nail in the floor in under hole, fix the appliance on the wall with the below nail.

4. Fix the appliance on the wall with the fixed nail;

5. Then fix the appliance with nail in another hole, to make sure the whole appliance is installed on firm.

It is very easy, right? If you have any installation problems after purchase, please feel free to contact us

We are a professional manufacturer of instant electric water heater and electric water tap, which is located in Shunde, the hometown of producing electric appliances. We are a set of manufacture, research and development, marketing integrated company.

We introduced a series of advanced production and detection facilities since foundation, with annual production capacity of million sets, the products are exported to north and south America, Europe, and other countries all over the world. Owning the best OEM and ODM exportation, technology and quality, we have become one of the most professional manufacturers of instant electric water heater and electric water tap in China.

JNOD insisted on developing with technology innovation, we possessed of several national famous technicians and had invented multiply product patents. We strictly implemented the ISO international quality management system, produced all the main parts and components independently, and the products passed the CCC, CB, CE, ETL(UL standard) certification with reliable guaranteed quality. In October 2021, JNOD Testing Centre achieved CNAS accrditation, being recognized by the National Laboratory, becoming one of the first enterprises with national accreditation laboratory qualifications in the electric water heater industry.

Our sales team have extensive experience of oversea markets.

We provide sincere and professional services, including OEM/ODM services, technology support, market analysis, usage of design and composition of installation. We have succeeded in providing marketing consultancy services and business solutions for our customers from over 50 countries. With tailor-make solution of hot water supply base on customers market demand, we helped many customers obtain great sales performance and were highly regarded.

Make the worlds best products, create the international top brands are the pursuit and dream of JNOD.

Let’s look forward to the future, we sincerely invite you to cooperate with us and achieve win-win together for a better tomorrow.

ODM

Major in providing required products for the customers with our strong capability of research and development on ODM basis.

OEM

Achieve customer’s own idea and design for the products and mass production.

JNOD BRAND

JNOD do self-owned brand in China domestic and the oversea market, in addition, we have authorized brand agent in Argentina.

Tankless heaters come in all different sizes. There are small water heater units, designed for point-of-use that only draw 110-120 volts.

The first step in determining which size water heater is right for you is to understand what you'll be requiring from the tankless. If you're looking for a larger unit, you should check out our tankless buyer's guide. But if a 110-120volt water heater meets your needs, then read on . . . this article was written for you.

110-120Volt Tankless Water Heater for Showers

Look, we're not going to lie, if you're not in the tropic and shopping for a 110-120volt tankless water heater for your home shower you'll most likely be disappointed with the results. 110-120volt's just isn't a lot of power to deliver a hot shower beside tropic area.

It can, however, get things going until your main water heater can take over, but most of the point-of-use heaters of this size are designed to be used for a single sink. In most situations, that means hand washing.

Although, there are exceptions. If you live in an area where the incoming water temperature is high, a 110-120V tankless such as JNOD XFJ135KH may be able to take a long shower. But if you live in Alaska, or most anywhere else, these units just won't be able to get the job done.

Best 110-120 Volt Tankless Electric Water Heater

The best 110 Volt tankless we've been able to find is the XFJ135KH by JNOD. Although the sales material lists this unit as a 120v tankless, JNOD has tested it to operate at 110v (more on this below).

The XFJ135KH is hydraulically controlled, making it incredibly quiet. It has a stainless-steel cup with copper heating element and with plenty of built-in safety features, and the superior design and workmanship means this unit is suitable for residential or commercial use.

We are a professional manufacturer of instant electric water heater and electric water tap, which is located in Shunde, the hometown of producing electric appliances. We are a set of manufacture, research and development, marketing integrated company.

We introduced a series of advanced production and detection facilities since foundation, with annual production capacity of million sets, the products are exported to north and south America, Europe, and other countries all over the world. Owning the best OEM and ODM exportation, technology and quality, we have become one of the most professional manufacturers of instant electric water heater and electric water tap in China.

JNOD insisted on developing with technology innovation, we possessed of several national famous technicians and had invented multiply product patents. We strictly implemented the ISO international quality management system, produced all the main parts and components independently, and the products passed the CCC, CB, CE, ETL(UL standard) certification with reliable guaranteed quality. In October 2021, JNOD Testing Centre achieved CNAS accrditation, being recognized by the National Laboratory, becoming one of the first enterprises with national accreditation laboratory qualifications in the electric water heater industry.

Our sales team have extensive experience of oversea markets.

We provide sincere and professional services, including OEM/ODM services, technology support, market analysis, usage of design and composition of installation. We have succeeded in providing marketing consultancy services and business solutions for our customers from over 50 countries. With tailor-make solution of hot water supply base on customers market demand, we helped many customers obtain great sales performance and were highly regarded.

Make the worlds best products, create the international top brands are the pursuit and dream of JNOD.

Let’s look forward to the future, we sincerely invite you to cooperate with us and achieve win-win together for a better tomorrow.

ODM

Major in providing required products for the customers with our strong capability of research and development on ODM basis.

OEM

Achieve customer’s own idea and design for the products and mass production.

JNOD BRAND

JNOD do self-owned brand in China domestic and the oversea market, in addition, we have authorized brand agent in Argentina.

When buying a tankless water heater, most people don’t know what size tankless water heater they need.

If you are looking to install tankless electric water heater and you’re unsure of which size you should buy, here are some factors you should take into account:

- The size of your house

- Flow Rate (GPM): How much hot water you will need at any given time

- Temperature Rise (ΔT): The difference between the incoming cold water temperature and the desired temperature

Your Household Size

If water heater is too small, it will result in it not being able to produce enough hot water for your household demand. For example, you might not be able to run more than one shower at a time, especially in the freezing winter.

On the other hand, water heater is too large, it will end up being more costly than necessary, since you will be paying more upfront for the larger size (although it could be useful if you plan to upsize your home later).

Hence, to work properly, a tankless water heater needs to be just the right size to meet your home's hot water demand.

Rate of Water Flow

Tankless water heaters are often referred to as demand water heaters. On-demand refers to having continuous hot water output for as long as the hot water tap is open. However, having multiple hot water taps open together will reduce the hot water output. Having too many hot water taps open at once will produce lukewarm water if the tankless water heater’s output capacity is exceeded.

To help you estimate the flow rates of most of your faucets, we shared some typical flow rates below. The actual flow rates may be different for your house and different appliances.

Temperature Rise

After you have calculated the flow rate of every faucet in your house, you must now determine how much heat your heater needs to generate to give you the required heat in your water outlets. We’ll take into consideration the temperature of the water that flows into your home and the temperature of the water that you want to flow out of your tap to determine the required temperature rise.

You might still have some questions relating to the size of instant electric water heater you need, please let us know in the comments below.

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Situated in a world known home electrical appliances base---CiXi XinPu Industrial Zone, boderingNingbo Lishe International Airport

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