Marey Tankless Water Heater Reviews: Complete Reviews in (2021)

Tankless water heaters have become very favorable to people, due to the various perks they allow their users. With lowered maintenance, higher efficiency and instant supply of hot water, we can understand the craze. So, if you’re looking for a tankless water heater, this article on Marey tankless water heater reviews will surely help you out in your search. You’ll also learn about their tankless water heaters and have all the information you need to proceed further!

In a Hurry? Here's Our Top Choice:

Marey GA 10 LP, Propane Gas Tankless Water Heater

Our top choice when it comes to the best tankless water heater, is very budget friendly which is Marey gas tankless water heater. It’s a powerful machine that can deliver hot water on demand, with its 3.1 GPM flow rate, and is also quite lightweight and small coming in at only 21 pounds. With a 5 year warranty, and 60% saving capacity on your bills, this has jumped to the top of the list without any hesitation!

Top 5 Marey Tankless Water Heater Reviews

Marey GA10LP, Liquid Propane Gas Tankless Water Heater

Marey GA 10 LP, Propane Gas Tankless Water Heater

The first and best water heater on our list is the Marey GA 10 LP, and you’re sure to be interested in this one. It is designed to be very convenient for you. You’ll be able to fit this under your sink or anywhere that makes it easiest for you to use this water heater.

It comes with a maximum flow rate of 3.1 GPM, making it quite easy to drive hot water around your home without having to wait for much time. This ability goes great with the multiple point of use feature for this water heater, making it easy to get hot water to multiple appliances and rooms around your home. With this running on liquid propane gas, you’ll find it to be much more efficient than the conventional water heater system, and in the long run, can save you money on water heating costs! Not only is this unit very convenient, but it will also last you for a long time. This Marey gas water heater is built with parts that are corrosion resistant, and includes other safety features that warrant its usage for a long period of time. On top of that, you also get a 5 year limited warranty, which shows the manufacturer’s belief in the quality of this water heater.

Overall, we definitely think that the Marey GA 10 LP is the best choice out there for you, and you can definitely look into it. It’s also good to know that it is also quite easy to install, making this an even more attractive choice. One drawback for this unit is that the first few times of starting the water heater, you may need to wait for the flow rate to reach its optimal state.

  • Very convenient to install in your home
  • Corrosion resistant and durable
  • Includes various safety features
  • Is quite energy efficient
  • Can provide hot water instantaneously
  • The heater may need some time to adjust the flow rate

Marey Power Gas 10L, Propane Gas Tankless Water Heater

Marey Power Gas 10L, Propane Gas Tankless Water Heater

Up next, we have another propane gas using tankless water heater, and it is the Marey Power Gas 10L. This is also a similar looking water heater compared to the first, and as such, it also comes with the easy to store size which allows for easy installation in most places around your home. Not to mention, it also comes with the multiple point of use function, making it quite useful to have in your home.

With an impressive flow rate of 2.7 GPM, the Marey Power Gas 10L will be able to sustain your home with hot water. On top of that, you’ll also be treated to a 1/2 inch gas line as opposed to the standard 3/4 inch ones. You’ll also find that your water heater unit is easily adjustable in terms of the temperature you want on for your water, and you’ll also be able to visually see it through the digital display. It normally runs on LP gas, but you’ll also be able to switch the unit back to natural gas if needed. This Marey gas water heater also includes various safety measures against anti combustion and gas pressures. 

Overall, the Marey Power Gas 10L is definitely a worthwhile investment. It also comes with the benefit of being environmentally friendly, and if you care about that, then that’s an even bigger plus point for you! Once you use 2 D cell batteries to turn this water heater on, you’re set! One drawback for this unit is that your house might need to be adjusted a little bit before you can actually install it, which then requires the need for a professional to do so.

  • 1/2 inch gas line instead of 3/4 inch gas line
  • Can be switched from LP to natural gas
  • Energy efficiency is quite impressive
  • Durable and expected to last quite a long time
  • Includes safety features against anti combustion and gas pressures
  • May require professionals for it to be installed

Marey GA5Port, Portable Propane Gas Tankless Water Heater

Marey GA5Port

Our next product is a very unique one when compared to normal tankless water heaters, and it is the Marey GA5Port. This unit can be carried around wherever you go, and has proven to be useful for unconventional times as well, such as for campers! So, you won’t be limited to using this around the house only, rather it is quite the ideal water heater for RVs as well.

The Marey GA5Port doesn’t just come in handy for when you’re going out. It provides good competition to other tankless water heaters as well when it comes to its energy efficiency. You won’t be using any electricity to power this unit up, which brings down your cost massively. All you’ll need to use are 2 D battery cells, and you can see it up and running at 100%. It also uses half the amount of gas that other gas tankless water heaters use. It will also last you a long time, as it comes with a warranty of 5 years. When it comes to performance, the 2 GPM rate of water flow allows you to easily use a couple of things with hot water. Not to mention, it also comes with a kit that allows for great versatility when using this unit.

Overall, the Marey GA5Port is definitely one to look out for. Marey are also keen on saving the environment with their products which is evident from this heater. This model is also one of the very few ones out there with the ability to operate with a 12V pump, making it quite unique with how powerful it is. The one drawback for this unit would be that it does require a bit of maintenance due to its different mechanism and the work it does.

  • Is portable and can be carried for various tasks
  • Easily starts up with 2D cell batteries
  • Can use a 12v pump
  • Comes with a kit for ease of use
  • Consumes only half the gas as other water heaters
  • Requires quite a bit of maintenance

Marey ECO270, Electric Tankless Water Heater

Marey ECO270

The next Marey water heater in our list of tankless water heater reviews, is the Marey ECO270. This is a beastly water heater, which comes with a massive water rate of flow of 6.5 GPM which is quite impressive.

The Marey ECO270 allows you to be able to set the water temperature to what you want it to be, all the while being able to have a clear view of the current temperature, via the LCD on the front of the unit, and the thermostat built into it. It also includes smart technology, allowing for it to be very conservative when it comes to energy, and also optimized to provide you the best quality. It also comes with the feature of being a self modulating unit. The German build of this water heater means that it comes built with stainless steel, and also includes very high quality parts that not only are corrosion resistant, but also reduces the effect of hard water (water rich in calcium and other elements).

Overall, the Marey ECO270 is definitely one of the best Marey tankless water heaters out there, and you can use it for years and years. It is also very energy efficient with its low use of electricity compared to other models. It does come with a couple of drawbacks, and they are that it must be installed by a professional and that it has some specific requirements to be installed.

  • Has a sleek German build made to last
  • Allows you to set the water temperature and view it with the LCD screen
  • Stainless steel build helps against corrosion and hard water
  • Uses less electricity than other models
  • Has self modulating technology
  • Requires a professional to be installed properly
  • Has specific requirements in order to be installed

Marey Power Pak Plus, Electric Tankless Water Heater

Marey Power Pak Plus, Electric Tankless Water Heater

The last water heater in our Marey tankless water heater reviews is the Marey Power Pak Plus. We know we have mentioned some small and compact water heaters on this list, but this unit triumphs them all, as it is one of the easiest to carry, and also very easy to mount on your wall. It comes in at about 6.9 pounds, making it no problem for anyone to move around, which makes it ideal for your RV as well.

The Marey Power Pak also has some features that make it very easy to use, and convenient as well. One of these features involves the knob on the unit, which acts as the thermostat, allowing you to switch the temperature of the water to whatever you need it to be. Not only that, but it also starts up properly with very little water pressure needed. You’ll also save yourself a lot of money to heat the water, as this unit doesn’t need to operate at all times.

Overall, the Marey Power Pak Plus is definitely one you can look to have, as it doesn’t require many stipulations to use. It also comes with a 1 gallons per minute rate of water flow, making sure you won’t have a high energy consumption bill. One drawback for this unit is that it won’t be able to cover your whole house, rather the flow limits it to a very small capacity.

  • Portability makes it ideal for RVs or camping trips
  • Works well with low water pressure
  • Has easily accessible adjustments
  • Is very lightweight at 6.9 pounds
  • Uses power only when started
  • Does not have a high capacity

Factors To Consider When Choosing A Marey Tankless Water Heater

Now that you know the favored tankless water heaters out there, let’s look into why we chose them to be the ones that are highlighted. There are a few different factors that go into these considerations, and we think you ought to know them before making your decision on your preferred Marey tankless water heater.

Durability and Lifespan

It is key to remember that your water heater needs to be durable in order to survive for a long time of usage. They need to come built with the proper materials, and the warranty itself also needs to be worth it. Another important thing that needs to be kept in mind, is to find out whether hard water is common in your area or not. If it is, then you’ll need to find Marey tankless water heaters that can withstand hard water. You can see from our list of tankless water heater reviews that we’ve also shown water heaters that can handle that.

Cost & Efficiency

The reason we’ve merged the point of cost and efficiency together is because some people who are looking to buy their first tankless water heater, might be put off by its price. However, it is key to remember that a tankless heater’s price also factors into this choice.

Ergonomic Features and Convenience

Tankless water heaters come with multiple features nowadays, and a lot of them are there for your convenience. A thermostat on the water heater for you to adjust the temperature of the water, and a digital display for you to always keep an eye on what the setting is, can be one. The ergonomic features include easily accessible settings, and precautions that help your water heater be able to heat water properly. They’ll also make them more energy efficient, and eco friendly as well.

Video Credit: MareyHeater


Q. What is the downside of a tankless water heater?

Tankless water heaters are overall much more energy efficient and save you a lot in terms of bills, and they often tend to be the best option for most people. The biggest downside to getting one would have to be the initial cost of getting one, as they can be more costly than other types.

Q. Who makes Marey tankless water heaters?

There isn’t one best brand, but brands like Rinnai, Takagi, Rheem and many others have various models on the market that are reliable.

Q. Are tankless water heaters a good investment?

Tankless water heaters are a very good investment in the long run. Initially you’ll have to pay a high cost for getting one, but in the long run, these products prove to be the best choice as they are very efficient, and can save you other costs in the future.

The Takeaway

We hope you’ve managed to come away with your preferred choice of tankless water heater from our list of Marey tankless water heater reviews. Make sure to always keep an eye on the important factors before buying one, and also keep an eye on the customer reviews as well. They can be a good indicator of how well a water heater actually performs! Also, depending on the use needed in your house, you’ll need to choose between a point of use or a whole house water heater. Good luck in finding the best choice!

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