Marey Tankless Water Heater Reviews in 2022 – Top Picks

With their compact design, flexibility, and affordability, Marey tankless water heaters reviews are well suited for medium-sized and smaller households. In addition to its original product line of simple shower heaters, there are now numerous product lines available, including point-of-use water heaters designed for a wide variety of applications. 

At a Glance:

Top 5 Best Marey Tankless Water Heater Reviews

The following Marey tankless water heater reviews will help you to choose the right one for you. 

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Marey natural gas tankless water heater reviews
Staff Pick1. Marey Power Gas 10L 3.1GPM Natural Gas Tankless Water Heater
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Marey propane tankless water heater reviews
2. Marey GA5PORT Portable Propane Gas Tankless Water Heater
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Marey Gas tankless water heater reviews
3. Marey Gas Tankless Water Heater GA16LPDP Propane Gas
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Marey electric tankless water heater reviews
Best Pick4. Marey ECO270 Tankless Electric Water Heater
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Marey tankless hot water heater reviews
Budget Pick5. Marey Power Pak Plus Tankless Electric Water Heater
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1. Marey Power Gas 10L 3.1GPM Natural Gas Tankless Water Heater

Staff Pick

Marey natural gas tankless water heater reviews

Marey Power Gas 10L 3.1GPM Natural Gas Tankless Water Heater
Marey Power Gas 10L 3.1GPM Natural Gas Tankless Water Heater
Item Weight :‎21 pounds
Product Dimensions :‎13.6 x 6.9 x 23.6 inches
Color :‎White
Power Source :‎Wind-Powered
Certification :‎Certified frustration-free

The Marey 10L is not only durable but has a long-lasting lifespan. Compact in design, this product is long-lasting and has a durable material. The appliance uses a modest amount of energy, so you’re not going to pay extra in terms of bills. 

Flow Rate

Even though the Marey 10L is remarkably small and lightweight, it still delivers impressive power and efficiency. You can use the 10L unit as multiple points of use at your home, as it provides 3.1 gallons of hot water per minute. A perfect shower can be enjoyed at 115°F temperature with up to 4 GPM of output water.

Easy to Install

Ideally, this tankless water heater would be perfect for someone who enjoys DIY projects. The installation orientations are included in the user guide. Five years warranty is offered on this item. 

Saves Energy

GA10L features no electricity requirement and no pilot light, making it an attractive option for those who do not want to buy electricity. It uses less energy because only the water is heated when it is needed, so it is referred to as an on-demand water heater. This tankless heater will keep a level of efficiency of 87% for a lifetime. 

Multiple Point Of Use 

There are up to three points of simultaneous use with this product, which is designed in the United States. 

Pros

  • Space-saving design makes installation easy
  • Savings of 60% on water heating bills
  •  Accessible from multiple points
  • Has a low rate of corrosion

Cons

  • Low temperatures below 45° F do not suit this product

2. Marey GA5PORT Portable Propane Gas Tankless Water Heater

Marey propane tankless water heater reviews

Marey GA5PORT Portable Propane Gas Tankless Water Heater
Marey GA5PORT Portable Propane Gas Tankless Water Heater
Item Weight :‎13.97 pounds
Product Dimensions :‎4.7 x 11.4 x 17 inches
Flow Rate :‎1.4 Gallons Per Minute
Certification :‎CSA
Power Source :‎Wind-Powered

An RV propane heater like the GA5PORT can be used in conjunction with one or more appliances simultaneously. With a flow rate of 2.0 GPM, it is sufficient for one residential appliance. With its convenient handle and lightweight design, the heater is convenient to use for tasks such as washing windows and heating water for vehicles.

Flow Rate 

This GASPORT water heater is fueled by propane. With 115°F water temperature and up to 1 GPM per minute, it is a great outdoor shower option. To maximize comfort, the amount of heat and the activation flow can be adjusted.

Ideal for Camping and RVs

For outdoor hot water, this is the best option. It is portable, so you can use it anywhere you need hot water. Camping, cabins, or using them at home when you are without electricity are ideal situations for this product.

Venting Free

It is not necessary to add additional venting. For the ignition, only a 2-D cell battery will be needed, and it is naturally ventilated outside.

Efficiency 

This water heater uses half of the gas of an average water heater. An energy-saving of 87% is possible.  Electrical power is not needed, the pilot light is powered by 2-D batteries and starts automatically.

Pros

  • Offers enhanced safety measurement
  • Lightweight and compact design save space
  • Eco-friendly tankless model
  • Provides a 5-year warranty as to the industry leader

Cons

  • Controlling temperature is very difficult

3. Marey Gas Tankless Water Heater GA16LPDP Propane Gas

Marey Gas tankless water heater reviews

Marey Gas Tankless Water Heater GA16LPDP Propane Gas
Marey Gas Tankless Water Heater GA16LPDP Propane Gas
Item Weight :‎29 pounds
Product Dimensions :‎16.5 x 27.9 x 8.2 inches
Size :‎Small
Color :‎Silver
Batteries Required? :‎No

This gas heater from Marey is 87 percent energy efficient, just like other gas heaters from this company. To help reduce its environmental impact even further, it is made from eco-friendly materials. Also, it is rustproof thanks to the copper heat exchanger.

Flow Rate

The gas water heater from Marey ranked second in terms of power. A propane and natural gas version of the GA16L DP are both available. At 115°F output water temperature, the MAREY GA16LPDP can supply 4 gallons per minute. So, you can enjoy an uninterrupted hot shower. 

Digital Panel

With the help of the digital display, you can monitor the outgoing water temperature. You can adjust your preferred temperature through the control panel.  

Electric Requirements

In addition to the fact that it works at 3V, the GA16L DP can also be used by those without access to electricity or with limited access to electricity. 

Point Of Use

As a U.S.-designed product, it can supply endless hot water to three or four residential applications at the same time. 

Pros

  • A regular shower is always possible in a cold climate
  • Off-grid people will find this a convenient option
  • Digital displays are an additional feature
  • The heat exchanger is made from copper in order to minimize corrosion

Cons

  • Customer service is not good
  • Parts may have defects

4. Marey ECO270 Tankless Electric Water Heater

Best Pick

Marey electric tankless water heater reviews

Marey ECO270 Tankless Electric Water Heater
Marey ECO270 Tankless Electric Water Heater
Item Weight :‎18 pounds
Product Dimensions :‎11 x 3.5 x 16.1 inches
Power Source :‎Battery Powered
Voltage :‎220 Volts
Wattage :‎27000 watts
Water Consumption :‎6.5 Gallons per Minute

An outstanding feature of the ECO270 is its huge capacity. 6.5 GPM is the heating limit of this product, so it is able to accommodate three faucets. Furthermore, it features an LCD panel that helps to adjust temperature and keep an eye on that. 

Flow Rate

ECO 270 is the most robust and biggest electric tankless water heater in terms of functionality. At 38 degrees Fahrenheit, the flow rate is 6.5 GPM, which is adequate to run two or three showers simultaneously. Even living in a very cold region, the 1.5 GPM model can still raise your temperature by 80 degrees.

Activation Flow Rate

As an added benefit, it is quite versatile due to its low activation flow of 0.85 GPM. The faucet is activated as soon as it is opened by water pressure (5 to 85 PSI).

Durable and Reliable 

The heater uses the same Smart Technology as the others in the Eco series. Therefore, no sediment is left on the heating element because the water never touches it. There is no risk of chlorine or calcium building up in the heater, which makes it a very useful feature in areas with hard water. 

Self-Regulation System

One of the benefits of the Eco270 is its ability to self-regulate. As a result, your water heater performs better and requires less work. The heater can regulate its power consumption. You can also manage this manually. Self-modulation is also inherent in anti-combustion.

Pros

  • In the southern states of the United States, this is the perfect solution for multiple points of use
  • Heating elements designed to resist corrosion
  • In colder climates, hot water output at 1.5 GPM can reach up to 80°F
  • Management and adjustment are easy with smart technology

Cons

  • Fluctuations in hot water temperature

5. Marey Power Pak Plus Tankless Electric Water Heater

Budget Pick

Marey tankless hot water heater reviews

Marey Power Pak Plus Tankless Electric Water Heater
Marey Power Pak Plus Tankless Electric Water Heater
Item Weight :‎6.9 pounds
Power Source :‎Battery Powered
Voltage :‎220 Volts
Wattage :‎8.8 KW
Color :‎White

Low running water pressure is all that’s required to run the water from this electric tankless water heater on various floors. Power bills can be reduced by up to 60% due to their energy efficiency. The compact and lightweight design of the unit makes it a long-term investment.

Flow Rate

In comparison with the 1.0 GPM used on the 110v, the 220v pump delivers 1.9 GPM at a temperature rise of 26 degrees Fahrenheit. This product is only recommended for high-temperature incoming water only including the south and the Caribbean. 

Versatile and Reliable 

With the Power Pack tankless water heater, versatility and reliability are combined. In addition to providing hot water at the point of use, it is capable of providing unlimited hot water throughout an apartment or smaller residence.

Inlet Water Temperature 

Depending on how quickly and how hot your incoming water is, the water can be provided endlessly to up to 1-2 simultaneous users.

Electrical Capacity

With Power Pak Plus, you can choose between the 110v and the 220v heaters. Temperature, water flow, and energy consumption can all be adjusted based on the capacity of your home’s electric system. 10 amps, 20 amps, 30 amps, and 40 amps are suitable for the heater.

Pros

  • Four level temperature adjustment and control of water flow in unique design
  • Enables the consumer to regulate energy consumption based on the power of their home
  • Inlet filters to prevent sediment damage to the unit.
  • To ensure safety and quality, licensed plumbers and electricians must be employed

Cons

  • Sub-standard parts

About Marey 

Marey was founded by a Puerto Rican entrepreneur named Mario Reyes in 1955. However, they only started producing tankless water heaters 40 years after they were founded. The company is 10 years ahead of most of its competition. 

In Puerto Rico, Marley quickly emerged as the premier brand before expanding across South America,  North America, the Caribbean, and eventually across the globe.

Types of Marey

Marey is manufacturing two types of tankless water heaters. They are:

  • Gas Heaters
  • Electric Heaters

They feature cutting-edge technology, such as energy-efficient technology, despite the low price. Being eco-friendly products they do not harm the environment.

Salient Features Of Mary Tankless Water Heaters

With Marey’s product range, customers can expect superior quality along with convenient features. Marey stands out from its competitors based on the following factors:

Models Based on Temperature

Is the water temperature in your area generally high? With these Marey tankless water heaters, you minimize energy consumption as the water is heated on demand. If you live in the Caribbean, you can save up to 60 %  by using less energy. 

Temperature Control On An Automatic Basis

A feature that Marey calls ‘Smart heating’ makes its water heaters automatically adjust the temperature. By modulating the amount of energy used for heating, the heater achieves optimum water temperatures automatically. This reduces wasteful energy consumption. 

Overheating protection systems are also built into these heaters, enabling them to turn off automatically when a preset temperature is exceeded.

Patented Heating Elements

A number of Mayer’s models use Nickel-chromium (Nichrome) heating elements, including the ECO series. Chromium oxide forms a protective outer layer of this substance after it is heated for the first time.  A layer of protection from oxidation increases the life of the heating element inside.

Powered By Batteries

You can use the water heater without electricity because it is powered by 2D cell batteries. In times when power blackouts may occur in your area or home, you may use this tankless water heater as a backup option.

Anti-Freezing Protection

Its water discharge valve can be removed when the temperature outside is below zero. The heater uses the pipes to store water so there is no chance of freezing water. 

Eco-Friendly

Marey aims to protect the environment and improve the global environment. As a result, they prioritize the creation of the most environment-friendly, budget-friendly, and innovative tankless water systems in order to reduce global warming and CO2 emissions.

Startup with Low Pressure

Fortunately, since it operates at low pressure, it can supply warm water to several floors at once. Only 8 PSI water pressure is necessary for it to function, so it can work with low water pressures as well.

Online Customer Reviews of Marey Tankless Water Heaters

Marey heaters generally have favorable reviews by customers online. Customers praise their durability and smart technologies for a low-cost price. It is true that some customers complain about the low quality, but the low price makes it justified. 

As they work without electricity, the customers are happy with these heaters who have electricity problems in their home. 

Installation And Prices for Mary Tankless Water Heaters

Getting professional help when installing electric heaters is recommended by Mary. In general, homeowners say that installing the system is fairly straightforward with the help of the simple and easy installation guide.

On the flip side, it would be best to hire an HVAC specialist proficient in installing identical models for gas heaters. It is the case with all gas heaters since working with gas can be dangerous, especially if you aren’t familiar with plumbing practices or building codes. Installation guides are available for gas heaters, just like for electric heaters. 

In terms of price, Marey tankless water heaters range between $150 and $600, making these models affordable. 

Maintenance of Mary Water Heater

If properly maintained, Marey tankless water heaters might last for at least twenty years or more. The gas heaters need annual maintenance, and both the gas heaters and electric heaters require regular cleaning to give excellent performance.

Warranty and Customer Service for Mary Hot Water Heaters

Several ways are offered by Mary to assist customers. To contact a member of the team, simply dial their number or send them an email. Aside from that, the website and user guides address the most commonly asked questions.

Marey has service centers with both customer service and technical support in Texas and Puerto Rico, so clients in those locations can receive even more support.

Unlike many other suppliers, Marey provides five-year warranties on its water heaters. In addition to covering all component defects, the warranty includes first-year maintenance. In the event of damage during installation, interior dismantling, or extreme weather conditions, your warranty is void. If you want to receive a warranty, it is very important to register your water heater within 30 days of purchase.

Where to Buy a Marey Tankless Water Heater

All of the Marey water heaters listed above can be purchased on Amazon. It allows you to check out quickly and easily. There’s even an Amazon installation service you can purchase.

Frequently Asked Questions

What size tankless water heater do I need for a family of 2?

30 to 40 gallons of water are sufficient to be used by two people per day. The tankless water heaters with 3 to 5 GPM would be best for a family of 2. In terms of electricity, 10 to 18 kW is perfect.

Can a tankless water heater heat the whole house?

Tankless water heaters with high GPM are designed to serve the whole house’s hot water needs. Tankless heaters with a flow rate of 7 GPM or above works as the best whole-house tank water heater.

Does a tankless water heater run out of hot water?

If a tankless water heater is sized properly as per the hot water requirements, it never runs out of hot water.  

Can a tankless water heater explode?

Unlike traditional tank systems, a tankless system does not have the potential to explode. They come with advanced safety measurements, ensuring no explosion will occur.  

Conclusion

Finding the best Marey tankless water heater reviews in 2022 can be a daunting task. Researching the best products available can take hours. Marey has always been at the forefront of producing water heaters. In addition to being convenient and gas-saving, these heaters are also extremely energy efficient.

Recommendation

You must consider several parameters when choosing the best product. For the high flow rate of water, I would recommend Marey ECO270 220V as the best tankless model. For less demand of hot water, you can go for Marey Power Pak Plus


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