Eemax Tankless Water Heater Reviews in 2022 – Top Picks

Eemax is renowned for its both tank and tankless style water heaters. They are specifically designed to heat water for residential and industrial water appliances. Eemax tankless water heaters ensure an unlimited supply of warm water on demand. They serve best as a point of use or whole house on-demand tankless water heater

As many sizes of water heaters are available, they cover water appliances of homes, offices, apartments, and industries to provide instant hot water. They can be used as a remote unit or as a booster to the main water heater. Additionally, the heaters are 99 percent energy-efficient, which means they save money on operating costs.

At a Glance:

Top 5 Best Eemax Tankless Water Heater Reviews

The HomeAdvantage II range offers a number of tankless water heaters, but the following models are particularly noteworthy. Let’s explore the Eemax tankless water heater reviews in detail.

DesignTankless Heater BrandsRetailer
Best Pick1. Eemax HA036240 240V 36 kW Electric Tankless Water Heater
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Staff Pick2. EEMAX GIDDS-1030381 HA027240 Tankless Water Heater
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3. Eemax HA024240 Tankless Water Heater
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4. Eemax HA011240 Tankless Water Heater
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Budget Pick5. Eemax HA013240 Tankless Water Heater
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1. Eemax HA036240 240V 36 kW Electric Tankless Water Heater

Best Pick

Eemax HA036240 240V 36 kW Electric Tankless Water Heater
Eemax HA036240 240V 36 kW Electric Tankless Water Heater
Item Weight :‎17.4 pounds
Product Dimensions :‎18 x 21 x 4.5 inches
Power Source :‎Battery Powered
Voltage :‎240 Volts
Wattage :‎36 watts
Flow Rate :‎8 Gallons Per Minute

his model offers enormous flow rates of 8 GPM making it the strongest tankless model. This amount is sufficient to run two showers with a kitchen sink at the same time. This is an ideal choice for an average-sized family. 

Flow Rate

In terms of flow rate, it offers 8 gallons per minute. This flow rate allows you to turn on two showers and one sink faucet easily without running out of hot water. 

Temperature Control

There is a temperature range from 80 to 140 degrees Fahrenheit to choose from. There is a very low risk of burning yourself even when the heater is set to a high temperature because of the built-in scald prevention technology.

Energy Efficient 

This unit provides 99 percent thermal energy efficiency. It also reduces standby heat loss. Having an Eemax Tankless hot water heater installed near the point of use allows you to get hot water faster and conserve water.

Space Saving Heater

A big advantage over large tank water heaters is that 90 percent of the space is saved. As a result, Eemax heaters are installed without any trouble. 

Pros

  • A digital thermometer is included
  • Temperature can be easily controlled with easy-to-use knobs
  • This heater provides 7.5 gallons per minute of constant flow
  • A durable model

Cons

  • It takes a while for the temperature to rise

2. EEMAX GIDDS-1030381 HA027240 Tankless Water Heater

Staff Pick

EEMAX GIDDS-1030381 HA027240 Tankless Water Heater
EEMAX GIDDS-1030381 HA027240 Tankless Water Heater
Item Weight :‎13.75 pounds
Product Dimensions :‎18 x 17 x 4.5 inches
Voltage :‎240 Volts
Wattage :‎27 watts
Flow Rate :‎6 Gallons Per Minute
Certification :‎ANSI/NSF

Eemax Gidd is a vent-free tankless water heater that operates on electricity. It is durable and gives trouble-free performance for two decades. It also reduces standby heat loss and saves energy. 

Flow Rate

This model is capable of delivering 6 GPM which is ideal to serve two washrooms without any shortage of hot water. Thus this tankless heater is best for a medium-sized home with 3 or 4 family members. 

Control Panel

The control panel is simple without any confusing functions. Moreover, it allows the easiest temperature setting. This product is for you if your technical skills are less. 

Small and Compact

It is designed as an indoor model with a slim profile to adjust on the wall easily. Its compact design makes it lightweight and handles easily during installation.

Scald Prevention

It features scald prevention technology so dangerous temperatures and spikes no longer exist when you use Eemax Electric Tankless Water Heaters.

Pros

  • The proven durability of over 20 years
  • Designed for 90% space savings with compact and smart features
  • Displays the current temperature in an easy-to-read format
  • Technology that reduces carbon footprints

Cons

  • A second circuit may be required for installation

3. Eemax HA024240 Tankless Water Heater

Eemax HA024240 Tankless Water Heater
Eemax HA024240 Tankless Water Heater
Item Weight :‎14 pounds
Product Dimensions :‎18 x 17 x 4.5 inches
Power Source :‎Corded Electric
Voltage :‎240 Volts
Wattage :‎24 watts
Flow Rate :‎6 Gallons Per Minute

This tankless heater runs on 24 kilowatts and delivers 6 GPM. So you can turn on three showers and you will never run out of warm water. Moreover, it fits even in small spaces if you are short on space. 

Flow Rate

This model also has a 6 GPM flow rate making it perfect for average-sized families. So you can run two washrooms or 3 to 4 fixtures at a time. 

On-Demand Hot Water

It gets water instantly when you need it. This is how you conserve energy while reducing your carbon footprint. 

Reliable and Durable

There is no way to get rid of this tankless heater because it is so durable. Durability and reliability are built into this brand, and you can expect it to last without any repairs for decades. The copper brass quickly brings the water to the desired temperature. 

Pros

  • Designed to last a lifetime
  • Concealed and extremely compact
  • Control knobs to adjust the temperature
  • LED display provides an easy temperature reading

Cons

  • Adding a couple more taps does not result in a consistent flow

4. Eemax HA011240 Tankless Water Heater

 Eemax HA011240 Tankless Water Heater
Eemax HA011240 Tankless Water Heater
Item Weight :‎4 pounds
Product Dimensions :‎18 x 14 x 4.5 inches
Voltage :‎240 Volts
Wattage :‎11 watts
Flow Rate :‎3 Gallons Per Minute
Certification :‎Ansi/Nsf

This model with 3 GPM is suitable to be used as a single point of use near a showerhead or a laundry. Additionally, you can use this product with the main source to boost its flow rate.  

Flow Rate

In terms of flow rate, this model has 3 GPM which can run two shapes simultaneously. No matter how long you take a shower or a bath, this model gives you warm water.

Point of Use

This heater works best when used as a point-of-use heater near the application for example near the shower, under the sink, or in the laundry area. If you want to increase the flow rate, you can connect it to an additional larger water heater. 

Slim Profile

This heater has a compact and convenient design making installation pretty easy. In spite of its small size, it performs admirably even in tight spaces.

Temperature Control

Furthermore, the unit comes with a temperature knob that is easy to adjust and an easy-to-read display that lets you know its current temperature at any given time.

Pros

  • The display shows the temperature digitally
  • Installation is pretty easy
  • In minutes, you can expect a constant supply of warm water
  • It prevents the growth of Legionella bacteria

Cons

  • Incompatible with heavy-duty applications

5. Eemax HA013240 Tankless Water Heater

Budget Pick

 Eemax HA013240 Tankless Water Heater
Eemax HA013240 Tankless Water Heater
Item Weight :‎7 pounds
Product Dimensions :‎18 x 14 x 4.5 inches
Voltage :‎240 Volts
Wattage :‎13 watts
Flow Rate :‎3 Gallons Per Minute

Being 99 percent energy-efficient, this heater instantly heats the water and saves electricity. Having a slim profile and compact design, it has a wall-mounted shape and can even fit in the cabin. 

Flow Rate

Its flow rate is 3 gallons per minute which is not sufficient to meet the high demand for hot water. It is ideal for a small family with 1 or 2 family members. A single shower or another appliance could be operated with enough hot water,

Instant Hot Water

The model promises instant hot water within a few minutes, making it an innovative item from Eemax. Low-flow showers run perfectly in cold climates.

Electric Requirement

With a 13 kilowatt heater, every time you use the water, it will be perfectly warm. There is a greater difference in power in the HA013240 (e.g., 13 kilowatts compared to 11 kilowatts). Consequently, this model provides hot water more quickly.

LED Display

With an easy LED temperature display, you will be able to know what temperature is right at all times.

Pros

  • Every shower does not require heating the water
  • Warm water flowing constantly and instantly
  • It is easy to set the temperature with a temperature knob
  • Guaranteed to last 20 years

Cons

  • Probably needs to be installed by professionals

About Eemax

The Eemax company was founded in 1988 and the initial focus was making tankless water heaters only. These water heaters are basically used for commercial purposes. In the early days, the tankless models were only capable of producing 0.5 GPM to 1.5 GPM flow rate. But with the passage of time, the company manufactured powerful units to meet the high demand for hot water. 

Emax began manufacturing residential heaters in 2000. Later on, the homeowners or businesses were able to avail the perks of patented technology launched by Eemax. EcoSmart, another electric water heater manufacturer, was acquired by the company in 2013. Rheem owned the Eemax company right after two years. 

In terms of price, it ranges from $200 to almost $1000

Salient Features of Eemax Water Heaters

These Eemax tankless water heaters have certain unique features to make them energy efficient. Let’s discuss this in detail. 

Sturdy Construction

It is true that Eemax units are exclusively designed to be used as indoor models, they are still made with stainless steel. Therefore, they are robust, sturdy, and last longer. Moreover, they are easy to handle due to their compactness and lightweight. They can easily mount on the wall, fix inside the cabinet, or any short space that allows you to have sufficient floor space. 

Traditional water heaters have an average lifespan of 8 to 12 years, whereas the trusted brand can last for more than 20 years. It is more difficult for Eemax tankless heaters to develop limescale or rust since they are made of high-quality materials.

Connections

Because the 8 kW unit comes with an electric cord, it requires less time and labor during installation than larger units. Whereas 240-volt power is required for all models. If it comes. In terms of plumbing requirements, the smaller units are compatible with the side connections while the large units need a bottom water connection to operate successfully. 

Efficiency

The Eemax tankless heater can save up to 80% more energy than an older, efficient traditional water heater which saves 60% normally. As a result, you can significantly reduce your energy bills. The water is only heated when needed, so there is no overheating. As opposed to tank-type models, no standby heat loss occurs.

Advanced Control

With their innovative design and computerized control, Eemax heaters feature the latest temperature sensor, consistent flow rate, and logical controls. Thus it is easy to maintain a steady temperature. Meanwhile, there is no fluctuation in the temperature even during peak hours. 

By adjusting the temperature knob at one-degree increments, you can easily adjust the desired temperature. For an instant reading of the exact temperature, all models have an LED display.

Protection

Since Eemax models have a scald prevention technology and controlled micro-processing temperature through computers to enhance safety. Thus the risk of high-temperature water is significantly reduced. 

Types of Eemax Water Heaters

There is only one type of tankless water heater by Eemax available on the market which is electric. As compared to gas tankless heaters, they are less efficient and low-power output models make them ideal for small to medium-sized homes. In cases of high demand for hot water, they can also be used to boost the main water heater. 

The company produces a wide range of tankless water heaters specially designed for use in light as well as commercial and industrial use. 

For residential installation, HomeAdvantge ll is specifically designed. Alternatively, homeowners can go for mini tank models as well. These tanks hold a small amount of water. 

Consumer Reviews of Eemax Tankless Water Heaters

Generally, the majority of the consumers who purchased Eemax tankless models are extremely satisfied with the performance of these water heaters. 

It has been reported they seldom experience any water heater-related issue during early years or even later years. The best part is that prices are economical. 

Regular maintenance is hectic when you have a busy routine. Thanks to the Eemax heaters, they do not demand any regular checkups or maintenance due to the advanced technology that keeps heaters clean. 

Last but not the least, the customers are happy and satisfied with the latest features available in these tankless models including temperature sensors, water control technology, and logic controls. By modulating these aspects, water temperature is kept constant and the flow rate is prevented from fluctuating. Moreover, the cold water sandwich is terminated which is annoying when taking a shower.  

Customer Service For Eemax Heaters

Customer service at Eemax is excellent. They help you if you are facing troubleshooting and provide you an accurate solution for that. Most importantly their team also guides you to choose the right tankless model for your hot water demands.

The eBay part is that their customer service also helps you to know about the ongoing status of your order. 

Warranty information for Eemax Heaters

As far as the Eemax tankless model warranties are concerned, they are user-friendly. In case of leakage, it guarantees a warranty for five years, and for parts, it offers a one-year warranty. 

Going further, there are certain conditions like damage due to negligence or misuse that will not be entertained by the warranty. In the same vein, if any damage occurs due to environmental disaster like fire, flood or freezing does not come under the warranty. 

In addition, when installing Eemax tankless water heaters, follow the guidelines told by the company and the building’s code. Remember that a change in the location after the first installation will also terminate the warranty. 

Eemax also declares that if there is any interruption in the water flow or water pressure or it has an operating issue such as dry fire, the tankless heater will not be covered under your warranty. 

How to install Eemax water heaters

It is pretty easy and simple to install your Eemax water heater. An electrical cord is included with this water heater. Further, you only require a side connection for water to operate this tankless water heater.  The process is unusually fast, as there is no venting. 

In any case, if a higher voltage is required in your home, you must make the necessary changes. If you want the installation done correctly, it is best to engage a professional. If you want to retain your warranty, the wiring configuration must be done by a licensed plumber. 

The wiring setup or installation process seems a bit complicated at the start, but once it is done you enjoy the long-run comfort it offers. In addition, your utility bills will drop significantly.

How to Repair and Maintain an Eemax Tankless Water Heater

Thanks to the advanced technology of Eemax, they never have any serious or major issues. But even then if you come across any problem, an experienced or dedicated team will help you to identify the common issues. Instead of calling a technician or certified plumber, they will help you to fix the problem yourself. 

The replacements of heater parts sometimes become tricky. In most cases, you can easily replace Eemax parts on your own. 

It has been found that hard water is a major factor in the maintenance of water heaters. The heating element can build up limescale due to hard water. With Eemax water heaters, this is not an issue, since the units maintain their own cleanliness. 

In addition to providing an efficient way of removing particles from the heating elements, the patented water flow system works even when the unit is heated water. It also makes the heating elements more durable and extends their lifetime because maintenance is reduced. The whole water heater will last longer using this technology.

It is the industry standard that water heaters tested by Eemax must last at least 10 years. But many customers have experienced it for over 20 years and are still operating without problems today.

Where to Buy Eemax Water Heaters

Almost all models of Eemax are available on Amazon and you can buy the model that fulfills your hot water demands. Furthermore, you can see the list of authorized dealers from the company website to have a safe purchase. 

Frequently Asked Questions

Where are Eemax water heaters manufactured?

Eemax Inc. manufactures tankless water heaters for both residential and commercial demands of hot water. It was established in Oxford Connecticut in 1988. In 2012, the company changed its location and the new location was 56,000 square feet in Waterbury, Connecticut

How many kilowatts do I need for a tankless water heater?

Either a 27 kW electric tankless water heater or a 10 GPM gas heater works flawlessly after replacing the 50-gallon water heater. This calculation is accurate for the northern part of the USA.
For the Southern USA, you will need a tankless water heater with a flow rate of 7 GPM or a minimum of 18 kW in terms of electricity.

What brand of water heater is the most reliable?

There are numerous brands manufacturing tankless water heaters with unique features. The most reliable and popular brands are Eemax, Rinnai, Rheem, and Ecosmart

Conclusion

There’s no doubt that switching to a tankless water heater is a big step. For this reason, we have provided Eemax tankless water heater reviews that can help you make an informed decision. In only a few minutes after opening the faucet, you have warm water that is 99% efficient.

In order for this innovative water heater to be successful, several factors have been involved. Those include being field adjustable, saving space, and being energy-efficient.

Recommendation

I would recommend Eemax HA036240 in case you have a large family with high demand for hot water. 

Otherwise, Eemax HA013240 is fine to fulfill the low demand for instant hot water. 


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Emma Johnson
By Emma Johnson

Hi, This is Emma. Author at “BestHeaterGuide.com”. I am a graduate of Mechanical Engineering. Currently researching on heating technology. However, I have learned many home heating techniques and still learning home heating technology. And I love to share my research and reviews.

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