Atmor Tankless Water Heater Reviews in 2022 – Top Picks

Atmor is a proven brand around the globe in the tankless water heaters industry. In addition to being economical, tankless water heaters from Atmor can serve the entire kitchen, bathroom, and even a house. 

Fortunately, these heaters do not require a gas line as they operate on electricity. Atmor Tankless Water Heaters in 2022 is available in a wide variety of sizes including a point of use to larger tankless models that can supply hot water to your entire house. 

At a Glance:

Top 5 Best Atmor Tankless Water Heater Reviews

This is a detailed review of different models of Atmor tankless water heaters. 

DesignTankless Heater BrandsRetailer
Best Pick1. Atmor 3500Watts Point-Of-Use Electric Tankless Water Heater
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2. ATMOR 8.5 kW Electric Tankless Water Heater Shower System
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3. ATMOR 6 kW Electric Tankless Water Heater Shower System
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Staff Pick4. Atmor 18kW 3.73 GPM Electric Tankless Water Heater
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Budget Pick5.  Atmor 4.6 GPM Digital Thermostatic Tankless  Water Heater
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1. Atmor 3500Watts Point-Of-Use Electric Tankless Water Heater

Best Pick

 Atmor 3500Watts 120V 0.5GPM Point Of Use Electric Tankless Water Heater
Atmor 3500Watts 120V 0.5GPM Point Of Use Electric Tankless Water Heater
Item Weight :‎5.88 pounds
Product Dimensions :‎13.07 x 10.24 x 5.43 inches
Size :‎3.5 kW
Power Source :‎Corded Electric
Voltage :‎120 Volts
Wattage :‎3500 watts

The Atmor 35kw is the best point of use heater if you want continuous hot water on demand. Unlike traditional tank heaters, this product lets you save 50 % on energy costs used to heat water. 

Flow Rate 

With 0.5 GPM, this heater is used as a point of use under a kitchen or bathroom sink to deliver instant hot water. This flow rate is not sufficient if your hot water demands are large. 

Easy Installation

It has a stylish appearance and can be fit at the place you want. Its attractive design blends easily with the rest of the appliances and enhances the beauty of your home. 

Durable 

It is suitable for both commercial and industrial use. Therefore, it is constructed with robust material to maximize its power and stability. 

Warranty

The company offers an amazing warranty for this model. In addition to a 2-year parts warranty, it offers a 7-year leakage warranty. 

Pros

  • Water heating costs are reduced by 50%
  • Reliable and durable unit for residential and commercial use 
  • Comes with a pressure relief device
  • Offers enhanced safety 

Cons

  • Quality is not guaranteed

2. ATMOR 8.5 kW Electric Tankless Water Heater Shower System

ATMOR 8.5 kW Electric Tankless Water Heater Shower System
ATMOR 8.5 kW Electric Tankless Water Heater Shower System
Item Weight :‎4.41 pounds
Product Dimensions :‎8.46 x 3.03 x 15 inches
Voltage :‎240 Volts
Wattage :‎8500 watts
Material :‎Plastic
Power Source :‎Battery Powered

Do you want an effective and convenient heater to meet your hot water needs? Then Atmor 8.5 is for you. This 8.5 kW tankless model is particularly designed to go with showers to deliver an uninterrupted supply of hot water to enjoy showers. 

Flow Rate

In terms of flow rate, it is versatile and offers different flow rates of hot water at different temperatures. It provides 1.65 GPM when the temperature rise is 35°F, 1.23 GPM with a temperature rise of 45°F, and 1.01 GPM when temperature rises reach 55°F. 

Installation

Luckily, it comes with the installation wire to connect the unit with the electric panel without any difficulty. The slim profile and updated design quickly install on the wall near the shower. 

Electric Requirements

As it is specially designed to run with a shower, it needs 240 volts and 30 amps double pole breaker. In addition, this product works with Oatey 130 bases and a universal clamp collard shower.

Pros

  • Suitable for moderate to hot areas
  • Smart design makes installation easy
  • No shortage of hot water during showers
  • Energy efficient 

Cons

  • Limited water flow

3. ATMOR 6 kW Electric Tankless Water Heater Shower System

ATMOR 6 kW Electric Tankless Wat
ATMOR 6 kW Electric Tankless Wat
Item Weight :‎4.41 pounds
Product Dimensions :‎8.46 x 3.03 x 15 inches
Color :‎White
Material :‎Plastic
Voltage :‎240 Volts
Wattage :‎6000 watts

For instant warm water during showers, Atmor 6kW is the perfect solution. It goes well in hot to warm climates. With this electric tankless, you do not face the power drop when all appliances are running simultaneously.

Flow Rate

Talking about its flow rate, it is ideal for single showers. It is designed to offer 0.92 GPM, 0.8 GPM, and 0.8 Gpm with the temperature rise of 35°F, 45°F, and 55°F respectively. Using these tankless, you are not tensed regarding the shortage of instant warm water. 

Compact Design

The compact design allows the unit to be installed without any hassle. Fortunately, the unit included the required wire to connect with the electric system smoothly. 

Temperature 

It is recommended to be used in areas where the weather is hot or moderate. It offers various flow rates when there is a change in temperature from 35°F to 55°F.  

Pros

  • Comes with hose, rise rail, and shower handle
  • Offers superior warranty
  • Affordable tankless heater
  • Quick installation

Cons

  • Not suitable for large demand of warm water

4. Atmor 18kW 3.73 GPM Electric Tankless Water Heater

Staff Pick

Atmor 18kW 3.73 GPM Electric Tankless Water Heater
Atmor 18kW 3.73 GPM Electric Tankless Water Heater
Item Weight :‎13.32 pounds
Package Dimensions :‎19 x 17.8 x 7.9 inches
Power Source :‎Battery Powered
Voltage :‎240 Volts
Wattage :‎18000 watts

This tankless features a digital thermostatic technology to make temperature adjustment and monitoring easy. It is ideal for small families to deliver hot water for daily usage. 

Flow Rate

It has a capacity of delivering 3.37 GPM which is perfect for low-flow appliances including, dishwashing, shower, and laundry. 

Self Modulating System

This feature works tremendously to regulate the energy amount that is needed to heat the water. Thus it helps in saving energy. 

Digital Temperature Display 

This feature allows you to control the unit and set the right temperature around the clock. Moreover, this is pretty useful to use and helps in regulating the desired temperature. 

Additional Features

  • 18kW serves upto 2 washroom in hot climate
  • Lead free
  • CETL certified
  • Equipped with self modulating technology

Pros

  • Uninterrupted supply of warm water
  • Robust model made with durable stainless steel
  • Features a digital temperature display 
  • Offers 50 % energy saving

Cons

  • Flow rate is not high

5. Atmor 4.6 GPM Digital Thermostatic Tankless Water Heater

Budget Pick

Atmor AT-910-24TP Tankless Electric Instant Water Heater
Atmor AT-910-24TP Tankless Electric Instant Water Heater
Item Weight :‎17 pounds
Product Dimensions :‎17.38 x 5.25 x 13.38 inches
Color :‎Gray
Power Source :‎Battery Powered
Voltage :‎240 Volts
Wattage :‎24000 watts

Atmor 4.6 is also known as ThermoPro 24. It is versatile and works in both ways as a point of use or a whole house. It depends on the temperature of the area and the requirements for warm water. In colder climates, the flow rate decreases. 

Flow Rate

In hotter areas, its GPM capacity is great. It offers 4.6 GPM that allows four water applications to run perfectly including 2 showers of 1.5 GPM, 1 bathroom fixture of .5 GPM, and a sink of 1 GPM without any running out of warm water. This flow rate is suitable for families with fewer people. 

Energy Saving

The self-modulating technology saves electricity by heating the water only when water is needed.  This not only saves water consumption but also saves on electric bills. 

Durable 

The interior is made with corrosion-resistant stainless steel to enhance the efficiency of the heater as well as increase the lifespan. 

Compact Design

The design is compact and does not require any venting. It installs easily inside your home or garage where space is available. 

Additional Features

  • Delivers 2.45 GPM at 37°F
  • Digital temperature control with 1-degree increment
  • Installation is easy
  • Durable interior with high quality stainless steel 

Pros

  • Offers good flow rate to run multiple showers
  • 7 years warranty for leakage
  • Components are durable and reliable
  • Temperature adjustment is easy

Cons

  • Defective parts are reported by some clients 

About  Atmor

Atmor emerged as a renowned manufacturer of electric tankless models in 1974. The company successfully made its recognition as the producer of eco-friendly models for industrial as well as residential use. The popularity of Atmor can be seen around the 40 countries with the sale of 2 million tankless heaters. 

They definitely save electricity by only heating the water when you need it. Further, the majority of the parts are able to be recycled making them environment-friendly heaters. The list does not stop here, digital displays, a stabilization system for temperature, and thermostat control are some amazing features that Atmor brings for its customers. 

What makes Atmor different from others is the shower preference technology. This technology helps to improve the user experience during hot showers.  

Salient Features of Atmor Water Heaters

There are some amazing features that make Atmor Tankless Water Heater different from other tankless brands. Let’s dig out them

Self Modulating Technology 

This technology gives you complete relief as it is not operational all the time. Featuring a self-modulating technology, it regulates the heating of water when required and ultimately saves energy.

Flow Control Technology 

They come with smart flow technology. This technology helps to reduce the clogging inside the pipes. Further, it ensures that hot water is immediately available on demand. 

Digital Thermostatic Display

Temperature control is no more tedious with this digital thermostatic feature. It regulates the temperature and provides you long-lasting peace of mind. They also minimize the occurrence of any mishap due to temperature fluctuation.  

Energy Efficient 

It does not consume electricity all the time to heat water. It heats the water instantly when you turn on the tap which results in energy saving up to 50%. This technology also helps you to save water and reduces the long wait for hot water. 

Types of Atmor Water Heaters

Atmor offers point-of-use tankless heaters for a single shower or a sink and whole-house models for multiple fixtures. Going further, it has two series including the 100V, 900 series, and the double thermo series. 

  • ThermoPro Series: This series comes with the self modulating technology making it more powerful than other models. There are three models including 18kW, 24kW and 27Kw. The self modulating technology maintains the balance between the hot water demand and energy use for it. 
  • 900 Series: generally, they are mini tankless water heaters and preferred as a point of use models. The compact design and small size allows them to install under the cabin, sink or even in a cabinet. 
  • 100V Series: This series is specifically designed for showers. Water splashes on the heater will not cause an explosion because it is IP54-certified splash resistant.   

Consumer Reviews of Atmor Tankless Water Heaters

Atmor Tankless Water Heater has been successful to win the trust and satisfaction from the customers. They are happy with the self-modulating technology when it comes to energy saving. Moreover, the digital temperature display makes it easy to control the temperature. 

The only issue is found regarding flow rate. This problem emerges when you want more than the capacity of the heater. So it is advised to see the flow rate, the temperature of your area, and the flow capacity of the model to avoid any problem. 

Customer Service Of Atmor Tankless Water Heaters

Atmor always values its customers and provides dedicated customer service in case of any issue. Their experts will deal with you enthusiastically in order to deliver the best results.  

Most of the questions customers ask are included in the FAQs on websites. Moreover, they also respond through emails. They also provide help through calls. The client gets the response within 24 hours after making a call or sending an email. 

Warranty Information Of Atmor Tankless Hot Water Heaters 

As far as the warranty is concerned, Atmor gives two years warranty on the parts if there is any defect. Besides, it also backs leakage issues by providing 7 years of warranty. 

Most importantly, you will lose the warranty advantage if you don’t hire a certified plumber for installation or go against the instructions told by the company. 

Atmor Water Heater Installation

Different models of Atmor install differently. They have no venting requirements as they are electric heaters. Although their installation is not complicated, you must call a licensed plumber for the installation otherwise you can not claim the warranty. 

Troubleshooting of Atmor Tankless Water Heaters

After the warranty is over, you can troubleshoot the issues yourself. The problems come when you do not use the right electric panel requires for the heater. The right voltage and breaker may affect the tankless water heater’s performance. So always make sure to choose the tankless that is compatible with your electric system or upgrade your electrical panel accordingly. 

Another problem which the majority of the customers face is the low flow rate. Bear in mind that Atmor tankless hot water heaters are made to fulfill the low demand for hot water for small families. Similarly, their flow rate is excellent where the climate is moderate or hot. In colder areas, their flow capacity goes down and you may face problems while gaining hot water during a shower, laundry, or any dishwashing.

So always choose the right model keeping the inept water temperature and your demand in mind to get rid of such issues.    

Where to Purchase Atmor Water Heaters

It is strange to know that Atmor official website does not sell tankless water heaters. However, you can purchase the above-reviewed models through amazon easily. The price range for Atmor tankless models is not high. The price ranges from $120 to $300 making them the most budget tankless water heaters. 

Frequently Asked Questions

Are Atmor water heaters any good?

Atmor is a renowned brand offering affordable tankless water heaters. They are highly energy-efficient and are installed easily. Their self modulating feature and digital temperature display offer ultimate comfort to the users. 

How do you use an Atmor water heater?

Before using the Atmor tankless water heater, you need to read out the manual or instruction guide. Most importantly, you need to get familiar with all the features and how to use them in different situations in order to avoid any mishap. 

Conclusion

As a leading provider of hot water solutions, Atmor has been in the market for 40 years. ThermoPro models feature digital controls so you can adjust the water temperature you wish to have. With their sleek, compact design, they are easy to integrate into your home. The Atmor Tankless Water Heaters reviews in 2022 are a good option for those who are looking to invest for the long term.

Recommendation

The selection of the right tankless unit depends on the usage of hot water, the ground temperature of your location, and the flow rate of tankless water heaters. I would recommend Atmor 4.6 GPM Digital Thermostatic Tankless as a whole house if you have a family of 3 people. It offers 4.6 GPM, enough to run a maximum of 4 water appliances if living in a warmer location. 

Atmor 3500 Watts Point-Of-Use should be your choice if you want to use it as a point of use near your shower, or a kitchen sink. 


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