Marey Tankless Water Heater Reviews – 2021 Guide

| Last Updated: July 1, 2021

Having instant access to hot water is a benefit we don’t often consider, until we no longer have it.

 When your water heater fails or just isn’t getting as warm as it used to, it’s likely time to replace it. Marey produces quality tankless water heaters, which can be one of the best investments to make. 

This article is a complete guide to help you choose among the best Marey tankless water heaters according to your requirements.

How Does Marey Compare to the Competition?

The company, Marey, offers a unique range of features in its products, ensuring high quality along with the convenience to its customers. Below are some of the factors that give Marey a competitive edge over its competitors:

Affordability

Marey gas tankless water heaters are more affordable than their opponents.They provide reliable and efficient tankless water heaters that do not put a strain on your pockets.

Durability

A regular water heater with a tank can last five to fifteen years, while Marey tankless water heater may last 20 to 35 years or more. Marey offers gas tankless water heaters with a five-year warranty, but they can last much longer than that.

Easy Installation

It is convenient to move these heaters around and install them, as most of them are light in weight. Getting exchangeable components is very convenient, making them even more functional. Because they are tankless, it is quite simple to take care of Marey tankless water heaters.

Environment-Friendly

Marey is committed to being eco-friendly and trying to make the world a safer and better place. Thus, it has made it their priority to create the best quality, most environmentally sustainable, cost-effective, and creative tankless solutions with the aim of reducing global warming and CO2 emissions.

Portability

Not only does Marey gives affordable and reliable heating options, but it also manufactures products that are conveniently portable for customers. Because of being lightweight, they can be easily carried and moved around.

Comparison of the Best Marey Tankless Water Heaters

The article compares the top features and qualities of the best Marey tankless water heaters to provide you with the details required to make an informed decision about your purchase.

Model name

 

Weight (Pounds)

 

Dimensions( Inches)

 

GPM

 

Energy Efficiency

 

Certification

 

Color

 

Marey Power Gas 10L

23

6.9×13.6×23.6

 2.7

60%

Silver

Marey GA10LP Power 10L

21

6.9×13.6×23.6

3.1

60%

CSA/UL

White

Marey Power Gas 10L 3.1GPM

21

13.6×6.9×23.6

3.1

87%

Certified Frustration-Free

White

Marey Power Pak Plus

6.25

5x12x11 

60%

White

Marey Power Gas 5L 1.3GPM

5

23x14x8 

1.3

60%

White

Review of the Best Marey Tankless Water Heaters

After presenting some of the main specifications of different models, we will now move on to detailed reviews of individual models to help you choose the one that suits you best.

Best Overall

Marey Power Gas 10L

Specifications

Max Water Flow (GPM): 3.1

Energy Factor (EF): N/A

Dimensions: 13.6 (diameter) x 23.6

Water Temp Range: N/A

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Why it Stands Out to Us

The tankless heater can lower electricity bills to 60 percent because it will only heat water according to the needs. This operates with both propane and natural gas while generating 2.7GPM for a hot shower with a water temperature of up to 115 degrees Fahrenheit.

It has enough power to sustain two and even three points of use at the same time, which makes it very advantageous. Moreover, its auto cut-off safety switch prevents the wastage of gas and saves you money. The corrosion-free construction also helps to protect it from rust, hence providing users with clean water.

Bottom Line

The product has a compact design that is durable for a long time. It works on high energy efficiency, saving you from any additional expenses on extra gas, which also helps you cut down costs. The installation is quite easy and convenient for users, and low water pressure requirements make for a good solution. If you have made your mind to buy a propane/gas tankless water heater that is durable, reliable, cost-effective and offers a variety of features, then this option is the right choice for an investment you will not regret in the future.

Pros

Does not develop rust quickly

Needs a mere 8 PSI to fire with such a low-pressure start-up system

Igniter requires 2 D-cell batteries, so the device does not need electricity to operate

Features an auto-cut off safety switch that turns off the gas supply if the flame goes out

Provides energy efficiency improvements through the summer and winter changes via the combustion system

Cons

Does not work well on high altitudes

Cannot cope in very cold temperatures below 45F

Battery panel is not user-friendly, as it is hard to remove the batteries

Runner-up

Marey GA10LP Power 10L

Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White

Specifications

Max Water Flow (GPM): 3.1

Energy Factor (EF): N/A

Dimensions: 13.6 (diameter) x 23.6

Water Temp Range: N/A

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Why it Stands Out to Us

The compact design and low weight of this model free up a lot of space for you and allow convenient installation for users. This product allows you to warm up as much water as you need by allowing you to manually view and regulate the temperature for gas and water. It is built with corrosion-free material that can prevent water from becoming opaque with rust particles. It is easily portable because it is lightweight.

This product is a perfect solution for homes that have frequent power shortages since it does not require any electric connection and works on batteries. Moreover, its five-year warranty helps you benefit from their customer service that provides you with solutions for efficient performance.

Bottom Line

This lightweight system frees up space and makes it easy to install wherever you want. Its corrosion-free finish and sturdiness make it function well for a long period. The product has convenient portability and an easy installation process.

It works on low pressure so you can easily supply water on upper floors. It heats up as much water as you require and helps you control the flow of water and gas to a perfect temperature. So if you want hot water immediately in the required quantity, this tankless water heater is just the right choice for you.

Pros

Rustproof so it can be used for a long period without any water leakages

Allows easy regulation of temperature, so you can get water with the desired level of hotness

Can work well with low water pressure, hence, the supply of water to upper floors can be easy

Design is compact and light in weight, which helps in easy portability and convenient installation

Comes with a five-year warranty, hence, you can benefit from the company’s customer service and maintenance for a long period of time

Cons

Not suitable for extremely cold temperature areas

Not ideal for a complete house with large amounts of water consumption

Venting process is usually hard and can lead to damage if not done properly

Best for the Money

Marey Power Gas 10L 3.1GPM

Marey Power Gas 10L 3.1GPM Natural Gas Tankless Water Heater

Specifications

Max Water Flow (GPM): 3.1

Energy Factor (EF): N/A

Dimensions: 13.6 (diameter) x 23.6

Water Temp Range: N/A

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Why it Stands Out to Us

This tankless heater is so much more than just a unit with a stunning outer look. For plenty of indoor applications, its quality and features make it a reliable choice. It heats water on demand and works quickly to heat water as soon as you open the faucet.

Being highly energy-efficient, it saves you 67% on your electricity bills. Its lightweight and convenient portability make installation quite easy. It is ignited by an electric ignition, so it does not need any electric connection to function.

Bottom Line

This Marey unit is quite reliable and has a number of impressive features like digital display for viewing and regulating temperature. It also comes with energy efficiency, convenient portability, and a gas-saving mechanism. Its shortcomings are minor and it shows excellent performance, especially when you compare its output with the cost.

With its fine build and instruction manual, customers find it very useful and handy to get hot water. Hence, if you are a budget-focused person living in an apartment or a small house and want a sufficient supply of hot water while saving money, then this product is just the right choice for you.

Pros

Digital display allows you to view and regulate the temperature

Gas is only used when hot water is flowing, saving a lot of energy

67% energy efficient, hence it can save you bucks on your electricity bills

Lightweight and easily portable, which makes it very easy to install and use

Being powered by an electric ignition feature, it does not require any electric connection to provide hot water

Cons

Vent pipes are not included in the package

Threat of complete discontinuation of the product is not null

Although you can manually regulate the temperature, it can sometimes fluctuate by itself

Best Marey Electric Tankless Water Heater

Marey Power Pak Plus

Marey Power Pak Plus Tankless Electric Water Heater, 220 VOLT

Specifications

Max Water Flow (GPM): 1.0

Energy Factor (EF): 0.99

Dimensions: 10.2 (diameter) x 4.8

Water Temp Range: N/A

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Why it Stands Out to Us

This electric tankless water heater requires only low running water pressure to supply water to different floors. Being highly energy-efficient, it saves up to 60 percent amount power bills. The unit’s design, which is compact and lightweight, increases its longevity.

Moreover, it has a filter at the water inlet, which helps reduce the risk of destroying the water heater with damaging particles. It does not only allow manual temperature adjustment, but it also allows users to regulate the energy consumption and water flow. This versatility of unique feature helps it stand out from similar products.

Bottom Line

With the versatility of features it has to offer, this system is a perfect choice for under-the-sink installation as it works really well, even in low pressure. It ticks many boxes of amazing features, including easy and convenient installation, compact build, efficient functionality, adjustable temperature, efficient energy consumption, manual water flow regulation, and overall value.

Additionally, the filter inlet also filters out all the dust or rust particles from the container to provide you with clean and clear water. Hence, you will not regret your decision in choosing this system to invest in.

Pros

Allows easy installation and is convenient to operate

Compact, versatile, and lightweight, hence, it can be installed anywhere

Since it requires low water pressure, it is ideal for installing under the sink and for upper floors

Customers can to adjust the temperature, energy consumption, and water flow to save energy

Comes with a filter on the water inlet that keeps dust and other unwanted particles out of the container

Cons

The device fitting can have leakage problems over time

Only designed for areas with a high temperature of incoming water

Requires regular maintenance as inflow unit has to be cleaned after some time

Best Marey Gas Tankless Water Heater

Marey Power Gas 5L 1.3GPM

Specifications

Max Water Flow (GPM): 1.3

Energy Factor (EF): 0.93

Dimensions: 4 (diameter) x 16

Water Temp Range: N/A

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Why it Stands Out to Us

This propane heater can offer up to 1.5 gallons per minute for a great shower at a temperature of 115° F. It is also called an on-demand water heater, as it only heats water when required, saving a good amount of energy. The heater is easily portable and convenient to install.

It is best for houses with frequent power shortages or fluctuations as it works on 2 D-size batteries. It is manufactured in the USA and is suitable for providing continuous hot water regularly for up to 2 points of use, which gives it an edge over others.

Bottom Line

The product offers several great features like battery ignition without the need of any electricity connection, corrosion prevention to avoid rust particles in water and water leakages, and energy efficiency to save 60% on electricity bills. It also comes with easy installation, convenient portability, and can supply one or two points of use simultaneously with hot water.

It offers this stream of amazing features at a very affordable price. Moreover, this product has anti-combustion and safety protection systems that are a plus point to its functionality. The cost-benefit analysis of this product totally makes it worth the purchase if you want to invest in a tankless water heater.

Pros

Can supply hot water to two or three points of use simultaneously

Corrosion-free, hence you don’t have to worry about water leakages

Needs 2 D-cell batteries to ignite; hence no electrical connection is needed

Easy to install, easily portable, and has a compact design for customer convenience

Energy-efficient and saves money on electricity bills; hence, is a high-quality, cost-effective product 

Cons

Needs a high flow rate to begin heating water

Warranty service is of no use, as the customer service is not very responsive

Venting pipes are not included in the package. You need to purchase them separately

Who is Marey?

Founded in 1995 by Mariano Reyes, Marey specializes in the production of modern hot water solutions for its customers. Their products are based on the principles of energy efficiency, the versatility of features, diversity, and adaptability to suit different customer needs. They aim to be eco-friendly and hence, manufacture products that are sustainable and decelerate global warming and carbon dioxide emissions.

Since the industry that they exist in is continually changing, they are developing innovative new products to make the most use of the latest technology to optimize the solutions for hot water. As a consequence, compared to the industry standard, their products always perform at the most efficient level.

Conclusion

This review is a detailed account of the top Marey tankless water heaters that are cost-effective, energy-efficient, easy to install, and quite affordable. They work on more or less the same principle and also have their own unique set of features to offer. Hence, based on the above-mentioned comparison of features of the best variants of Marey tankless water heaters, you can choose the one that suits your requirements.



My name is Bob Wells and I am a retired HVAC tech from Washington state. I am currently retired and no longer do much with HVAC, however, I feel like I have a lot of knowledge in the subject and I wanted to create a website where I could talk about what I've learned and help upcoming HVAC techs. Find more info about me and HVAC Training 101.