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Eemax EEM24013 Electric Tankless Water Heater, Blue

4.4 4.4 out of 5 stars 293 ratings

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Water Heater

Purchase options and add-ons

Brand Eemax
Product Dimensions 8"W x 11.5"H
Color Blue
Wattage 13 KW
Voltage 240 Volts
Capacity
13 Gallons
Power Source
AC
Material
Stainless Steel
Style
Indoor Installation

About this item

  • Tank less water heaters provide a continuous Supply of hot water and only heats the water you need, when you need it
  • Instant, consistent and endless hot water
  • The most advanced, self-modulating technology available, meaning the unit will adjust how much energy needs to be input based on how much hot water is needed
  • Compact size saves valuable storage space
  • Before purchase and installation, Please verify that this EEM24013 is the correct size for your hot water needs
See more product details

Customer ratings by feature

Energy efficiency
4.8 4.8
Easy to install
4.3 4.3
Temperature Control
4.2 4.2
Tech Support
3.6 3.6

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$233.56
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Sold by Home Intuition and ships from Amazon Fulfillment.
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$59.98
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Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here

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Eemax EEM24013 Electric Tankless Water Heater, Blue


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Product Description

Eemax electric tank less water heaters provide endless hot water where you need it and when you need it. This product can be used for any of your residential or commercial water heating needs. The EEM24013 is a 240 volt, 13 kilowatt unit. It is designed to handle point of use applications or a small apartment in warmer climates. The EEM24013 can provide hot water for one sink in colder climates, or one shower and one sink in warmer climates.

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This Item
Eemax EEM24013 Electric Tankless Water Heater, Blue
Eemax EEM24013 Electric Tankless Water Heater, Blue
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Price$233.56-6% $513.19
Typical:$547.39
$219.99$179.99$239.99$180.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Wednesday, Apr 3
Customer Ratings
Energy efficiency
4.8
4.5
4.6
3.7
4.0
4.6
Easy to install
4.3
4.5
4.4
3.9
4.0
3.2
Temperature Control
4.2
4.2
4.4
3.9
4.0
3.3
Tech Support
3.6
3.9
4.1
3.5
3.8
3.5
Value for money
4.3
3.6
3.9
Sold By
Home Intuition
Amazon.com
ECOTOUCH
Sain Store
THMOS
Amazon.com
capacity
13 gallons
27 kilowatts
14 kilowatts
240 gallons
2 liters
power source
AC
ac dc
Corded Electric
AC
208~240V Hardwire
ac
material
Stainless Steel
Stainless Steel
Aluminum
Alloy Steel
ABS 5VA
style
Indoor Installation
Indoor Installation
Indoor Installation
Indoor Installation
11kW
13.8KW
weight
13.75 pounds
14.11 pounds
9.04 pounds

Important information

Wattage

13 KW

Bulb Voltage

240 volts

Customer reviews

4.4 out of 5 stars
4.4 out of 5
293 global ratings

Customers say

Customers like the performance, ease of installation, and quality of the water heater. For example, they mention that it works very well, provides constant hot water, and is easy to program with a simple wheel control. That said, they say the instructions are average.

AI-generated from the text of customer reviews

27 customers mention25 positive2 negative

Customers are satisfied with the performance of the water heater. They mention that it works well, is easy to install and operate, and the temperature is set correctly. Some say that it is perfect for one shower.

"Works as expected in a small cabin with shower and sinks. Maintains constant temperature with shower and sink being used at the same time...." Read more

"Everything is great about this product price, installation, works great...." Read more

"...Pros: I like the blue a lot - looks cool. Easy to install, to operate and to set temperature. Digital readout is nice...." Read more

"...Hard part was running a new 6 awg wire for it.But this thing works great!!! Endless blazing hot water...." Read more

25 customers mention22 positive3 negative

Customers like the temperature of the water heater. For example, they say it provides constant hot water, it heats water fast, and it's an excellent heater. Some mention that it takes about 10 seconds to be hot.

"...morning, when no hot water had been run overnight, and it took about 10 seconds to be hot! YAY!..." Read more

"...No leaks and very hot water." Read more

"Works as expected in a small cabin with shower and sinks. Maintains constant temperature with shower and sink being used at the same time...." Read more

"Easy to install, hotter than expected! 60a breaker and we've got the temp turned way down!An excellent heater...." Read more

16 customers mention16 positive0 negative

Customers find the installation of the water heater to be easy. They mention that it has a simple wheel control, and is easy to program with no problem. Some say that the instructions are average. However, most find the connections to be straightforward, and the product to be simple to replace after initial installation.

"...I already had all the necessary electrical configurations so easy to install. As a note, don’t over- tighten the connections to the unit...." Read more

"Easy to install, hotter than expected! 60a breaker and we've got the temp turned way down!An excellent heater...." Read more

"Everything is great about this product price, installation, works great...." Read more

"I’m using this 13k unit in a workshop for one sink. Installation was pretty simple, although I’ve done plenty of wiring and plumbing before...." Read more

14 customers mention14 positive0 negative

Customers are satisfied with the quality of the water heater. They mention that it is an excellent product, well worth the money, and has good equipment. Some say that it's one of the best home improvement choices and is reliable. Overall, most are happy with their purchase and recommend it to others.

"Everything is great about this product price, installation, works great...." Read more

"...This unit is absolutely fantastic, installed like a breeze, and works flawlessly!!!Eemax engineers:..." Read more

"NO DISLIKES, VERY SIMPLE UNIT, TEMPERATURE CHANGES WITH TURN OF KNOB AND VERY EASY INSTALL AS LONG AS POWER SOURCE IS NEARBY, OURS IS WALL MOUNTED..." Read more

"...Very reliable company." Read more

A major home upgrade, easy installation, seems reliable
4 Stars
A major home upgrade, easy installation, seems reliable
So far we love our tankless heater.We have a small household of two, and we do cold-water wash. So the only we use the heater for two nightly showers , the dishwasher , and occasional hand-wash. This replaced a HUGE 80G solar hot tank which was in the home (see photo). Our A/C system had to fight to compensate for the extra 80G tank heat load which was significant. Plus it consumed 10 sq ft of the pantry , which we now recovered for storage.I have an energy monitor watching the heater- see snapshot. At that time the shower and dishwasher were both running, it was drawing about 43A (9.4KW) which is well-below our 13KW capability. We do have it at a pretty low temperature (110F). There is a jumper you can change inside the unit to lower the load (KW). But of course that also reduces the capability. An if you set the jumper to say 8KW, then it might be wiser and more economical to just BUY an 8KW heater instead,I'm an Electrical Engineer. Think of these this way - the limitation on these systems is how many degrees can I raise how many gallons per minute (GPM)? If I can raise one GPM by 50 degrees max, then I can only raise by 25 degrees max IF the demand is TWO GPM. And so on.So two things you need to know: your hot water flowrate, and the difference between your cold-water and hot-water temperature. THOSE will tell you what size heater (KW) you require.There is a lot of "engineering" involved in selecting your tankless system:How many Amps can my wiring support? A typical heater has a 5KW element. Tankless use 2-5 times that. For our install , we used #6 wire which is very thick and very expensive. Over 13KW, you ,might need #4 wire or you might even need TWO sets of #6 or #4 wires. Some installs are off TWO dual 40A or 60A services. This one uses one dual 60A (dual meaning 220VAC). Read the requirements carefully because its possible your current wiring is insufficient. Is your total home service (typically 100, 150 or 200A) adequate for this tankless AND your HVAC, hottub, pumps, etc, at the same time? And you want some guardband on current. If your breakers and wire CAN provide 60A, its a good idea to not use that full demand- a 10 or 20% guardband is advisable. As I said were at 9.5KW which is almost a 30% guardband! So we have some room to increase our set point.How many degrees am I raising the water temperature? In FL, our water comes out of the tap at about 70 degrees, so we raise it 40 degrees to our 110F set point. In other climes it might come out at 50 or lower. That means a more powerful heater might be needed, even for one sink. Say your cold water comes out at 50 and you want 140 degree hot water- that's a HUGE demand. You might require a 24KW system or more.What is my average and max hot water flow rate? Do I have a pounding high-pressure shower, or even two showers? Do I do hot water clothes washing? Do I run a dishwasher and shower at the same time? Here is a good example where a LOW FLOW shower is beneficial because its less demand on the tankless heater. Unlike a conventional hot water heater which can supply as much hot water to as many sources as you need (as long as the tank water stays hot) , the tankless can only raise a limited flow or water by a limited number of degrees. You would need to study the specs, or change your lifestyle (wash clothes or dishes when showers are not taken, use only COLD water in sinks, install low-flow shower heads, etc) , or as we used to say, shower with a FRIEND!High-currents are involved on these systems so be sure a qualified electrician installs it or inspects it.So far we're happy with this mid-range system. We'll see a full energy report in a month or so, then we will know more!UPDATE: Im not sure if this has been like this all-along and/or if this is significant, but there are four LED segments lit up now ALL THE TIME! See photo. I'm tyring to contact the company...
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Reviewed in the United States on April 16, 2023
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Reviewed in the United States on October 6, 2022
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5.0 out of 5 stars Exceeded my expectations
Reviewed in the United States on October 6, 2022
Replaced my old Titan 2 N-120 with this unit and this unit really beats everything about my old one. Awesome digital adjustable knob, easier wiring installation because the connectors actually fit the wires. I already had all the necessary electrical configurations so easy to install. As a note, don’t over- tighten the connections to the unit. I mangled one of the compression sleeves and had to go to Home Depot to buy a set of 3 for$3.85. No leaks and very hot water.
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5 people found this helpful
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Reviewed in the United States on September 3, 2023
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Reviewed in the United States on November 8, 2023
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Customer image
4.0 out of 5 stars A major home upgrade, easy installation, seems reliable
Reviewed in the United States on November 8, 2023
So far we love our tankless heater.

We have a small household of two, and we do cold-water wash. So the only we use the heater for two nightly showers , the dishwasher , and occasional hand-wash. This replaced a HUGE 80G solar hot tank which was in the home (see photo). Our A/C system had to fight to compensate for the extra 80G tank heat load which was significant. Plus it consumed 10 sq ft of the pantry , which we now recovered for storage.

I have an energy monitor watching the heater- see snapshot. At that time the shower and dishwasher were both running, it was drawing about 43A (9.4KW) which is well-below our 13KW capability. We do have it at a pretty low temperature (110F). There is a jumper you can change inside the unit to lower the load (KW). But of course that also reduces the capability. An if you set the jumper to say 8KW, then it might be wiser and more economical to just BUY an 8KW heater instead,

I'm an Electrical Engineer. Think of these this way - the limitation on these systems is how many degrees can I raise how many gallons per minute (GPM)? If I can raise one GPM by 50 degrees max, then I can only raise by 25 degrees max IF the demand is TWO GPM. And so on.

So two things you need to know: your hot water flowrate, and the difference between your cold-water and hot-water temperature. THOSE will tell you what size heater (KW) you require.

There is a lot of "engineering" involved in selecting your tankless system:

How many Amps can my wiring support? A typical heater has a 5KW element. Tankless use 2-5 times that. For our install , we used #6 wire which is very thick and very expensive. Over 13KW, you ,might need #4 wire or you might even need TWO sets of #6 or #4 wires. Some installs are off TWO dual 40A or 60A services. This one uses one dual 60A (dual meaning 220VAC). Read the requirements carefully because its possible your current wiring is insufficient. Is your total home service (typically 100, 150 or 200A) adequate for this tankless AND your HVAC, hottub, pumps, etc, at the same time? And you want some guardband on current. If your breakers and wire CAN provide 60A, its a good idea to not use that full demand- a 10 or 20% guardband is advisable. As I said were at 9.5KW which is almost a 30% guardband! So we have some room to increase our set point.

How many degrees am I raising the water temperature? In FL, our water comes out of the tap at about 70 degrees, so we raise it 40 degrees to our 110F set point. In other climes it might come out at 50 or lower. That means a more powerful heater might be needed, even for one sink. Say your cold water comes out at 50 and you want 140 degree hot water- that's a HUGE demand. You might require a 24KW system or more.

What is my average and max hot water flow rate? Do I have a pounding high-pressure shower, or even two showers? Do I do hot water clothes washing? Do I run a dishwasher and shower at the same time? Here is a good example where a LOW FLOW shower is beneficial because its less demand on the tankless heater. Unlike a conventional hot water heater which can supply as much hot water to as many sources as you need (as long as the tank water stays hot) , the tankless can only raise a limited flow or water by a limited number of degrees. You would need to study the specs, or change your lifestyle (wash clothes or dishes when showers are not taken, use only COLD water in sinks, install low-flow shower heads, etc) , or as we used to say, shower with a FRIEND!

High-currents are involved on these systems so be sure a qualified electrician installs it or inspects it.

So far we're happy with this mid-range system. We'll see a full energy report in a month or so, then we will know more!

UPDATE: Im not sure if this has been like this all-along and/or if this is significant, but there are four LED segments lit up now ALL THE TIME! See photo. I'm tyring to contact the company...
Images in this review
Customer image Customer image Customer image Customer image
Customer imageCustomer imageCustomer imageCustomer image
Reviewed in the United States on March 16, 2024
Pattern Name: Water HeaterVerified Purchase
Reviewed in the United States on December 22, 2022
Pattern Name: Water HeaterVerified Purchase
One person found this helpful
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Reviewed in the United States on February 5, 2024
Pattern Name: Water HeaterVerified Purchase
Reviewed in the United States on May 5, 2022
Pattern Name: Water HeaterVerified Purchase
3 people found this helpful
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D Mack
5.0 out of 5 stars Seamless operation
Reviewed in Canada on January 7, 2023
Pattern Name: Water HeaterVerified Purchase
Joel Vaquero
1.0 out of 5 stars Solo funciono. 6 meses ya no sirve
Reviewed in Mexico on January 3, 2022
Pattern Name: Water HeaterVerified Purchase
Fabien Larouche
5.0 out of 5 stars Économique
Reviewed in Canada on January 12, 2020
Pattern Name: Water HeaterVerified Purchase