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10 Best Tankless Water Heater Filters And Their Reviews For 2021

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Tim Rhodes

The following list discusses the best options if you are looking for the right tankless water heater filter for your personal use.

The increasingly industrializing world that surrounds us is continuously interfering with our daily lives and is posing a greater threat to our health with each passing day.

The industries operating around us with little to no concern about the health of the planet and its inhabitants are dumping tons and tons of toxins into the air, land, and water which are a crucial element for life to exist.

In these hostile conditions the air that we breathe, the food that we consume, and the water that we drink are all contaminated.

As a result, the technology and equipment used for purification of the things that we consume have improved immensely, especially the water purification equipment.

The latest innovation in the water filtration systems is the tankless water heaters.

These tankless water heaters are extremely energy efficient and can provide a continuous supply of hot water and they also take up far less space than other filtration systems.

Most of the water heating systems have inbuilt filtration to remove many of the harmful impurities like lead, iron, nitrates, and cadmium that contaminate our water.

Furthermore, the tankless heater filter also removes all the bacteria and other organisms that contaminate the water by heating it and making it even safer.

The tankless heater filters also are an amazing choice as they are sure to provide an uninterrupted and constant hot water supply, some of the best available options are listed below.

1. Takagi Natural Gas Indoor Tankless Water Heater

Natural Gas Indoor Tankless Water Heater
Takagi T-H3-DV-N is best suited for larger households as it has a very effective and fast heating system while also being very energy efficient.

The highlighting feature of Takagi T-H3-DV-N is that it operates on natural gas and is extremely energy efficient and provides an on-demand hot water supply without ever running out.

It can continuously heat more water due to its sophisticated heating system and tankless design.

This tankless water heater filter can produce up to 10 gallons of hot water per minute.

It’s perfect for multiple use points and the users never have to worry about running out of hot water as it ensures instant and on-demand water heating.

It also has a longer life when compared to other tankless heater filters as it operates on Natural gas rather than electricity which leaves behind little to no point of failures for the device.

It also has integrated computerized safety features that make sure that it never overheats or runs dry and damages itself.

It comes in a compact package and is very good for space-saving and can easily be set up indoors.

Pros & Benefits:

  • Extremely energy efficient
  • Works on natural gas
  • Endless and uninterrupted hot water supply
  • Computerized safety features
  • Very good for multiple use points


2. Rheem RTEX-18 Residential Tankless Water Heater

RTEX-18 Residential Tankless Water Heater
Rheem RTEX-18 is the best fit for small and medium households with two to three water usage points.

It’s an electric residential water heating system that provides a water supply of 4.4 gallons per minute which makes it a very good option for people who want around the clock hot water supply.

Its tankless design ensures continuous water supply and on-demand and instant water heating.

This tankless water heater filter features a digital adjustable thermal controller and an on face digital temperature reader for the convenience of users.

It makes it super easy to set the temperature according to the user’s requirement.

It incorporates highly durable copper heating elements which allow for a long-lasting and dependable lifespan and also makes it highly energy efficient.

Its functional and space-effective design makes its installation extremely simple and easy.

Pros & Benefits:

  • Adjustable thermal controls and energy usage
  • Copper heating elements for efficient energy consumption
  • Very simple installation
  • Good for multiple use points
  • Functional and space-saving design


3. Rinnai V65IN Tankless Water Heater

Rinnai V65IN Tankless Water Heater
Rinnai has a hundred years’ long history of providing its customers with the best quality products and is a highly trusted brand among the masses.

Rinnai V65IN is an indoor water heating system that operates on natural gas and is very efficient and sustainable when compared to older tank water heating systems.

It provides on-demand and continuous hot water supply for a small to medium household as it can supply up to 6.5 gallons of hot water per minute, so you never have to worry about running out of hot water.

Its advanced technology and smart heating system make sure that you never have to wait or wastewater to get the luxury of hot water.

It circulates water through all your water pipes to supply instant hot water whenever needed.

It comes in a small package that is extremely space-effective and it can easily be installed in any place, even in a closet, which would be a shame as it has a very sleek design.

Its high-quality heating elements make it extremely energy-efficient and minimize CO2 emissions.

It can also be controlled via mobile app Control-R 2.0, as it’s WiFi ready which enables the users to remotely set timers, create schedules, and put the heater into vacation mode whenever needed from a far off location.

Rinnai also provides a very extensive and well-rounded warranty plan for its customers which includes a 10-year heat exchanger warranty and a 5-year parts warranty which makes it one of the most unique options available.

Pros & Benefits:

  • The mobile application enables remote controls
  • Extreme energy and water efficiency
  • Extremely good warranty plan
  • High-quality components 
  • Good for multiple use points


4. Ecosmart POU 3.5 Electric Tankless Water Heater

Ecosmart POU 3.5 Electric Tankless Water Heater
Ecosmart POU 35 is a super-compact water heating system that is perfect for apartments and single sink usage.

Its integrated high-quality copper and stainless steel components making it highly durable and energy-efficient and the components and heating elements are also easily replaceable if need be.

As it’s recommended for a single-use point its energy efficiency is unmatched and its ability to supply consistent and instant hot water makes it a great option for apartment-style living spaces.

Ecosmart POU 35 also features on face thermal reading for ease of the users.

Ecosmart is also available in larger sizes for multiple use points to best fit the user’s requirements.

Pros & Benefits:

  • Super compact size
  • High-quality components and easy replaceability
  • Digital temperature display
  • Extreme power efficient
  • Best for single or multiple use points depending on the models


5. Titan N-120 Electric Tankless Water Heater

Titan N-120 Electric Tankless Water Heater
Titan N-120 is the best tankless water heater filter for most average size homes due to its systematic ability to heat up and provide an endless supply of hot water.

Its capability to provide on-demand hot water only when it’s needed makes it very energy efficient.

It can create savings as much as 60 percent due to its smart heating abilities to heat the water only when required by the user and you will notice a decrease in your bills.

With Titan N-120 you don’t have to worry about ever running out of hot water due to its tankless design and very efficient heating system.

It features thermal control for users to set the temperature of water according to their requirements.

It gives the users the ability to choose from four different levels of temperature control ranging from low, low medium, high medium, and high.

It has a compact and industrial design which makes it very easy to install.

Pros & Benefits:

  • Very energy efficient
  • Different levels of thermal control
  • Easy installation due to industrial design
  • Endless hot water supply
  • Very good for multiple use points


6. Marey GA10LP 10L Propane Gas Tankless Water Heater

Marey GA10LP 10L Propane Gas Tankless Water Heater
Marey GA10 comes in two variants one that operates on liquid Propane and another one that operates on Natural gas.

It’s best suited for a family home due to its tankless heating system that is capable of providing a steady flow of hot water to multiple points of use.

It provides a steady flow of hot water on demand instantly whenever it’s needed and it can heat up and provide up to 3.1 gallons of hot water per minute.

Marey GA10 features best in class temperature controls for convenience of the users and it also gives its user the ability to control the input water flow and gas for optimal temperature controls.

It has a compact design, it’s super easy to install and can be fit almost anywhere.

Marey GA10 is perfect for those who like to install and set up things themselves, it also includes a step by step guide for installation so the users can be rid of any third party installation charges.

Also as it operates on gas, it can save up a lot on your electricity bills and is an amazing choice for areas that experience frequent power outages.

It’s also very conservant in its gas consumption and gives full control of the input to its users thus making it very energy efficient.

Its other highlighting features are that its manufacturing ensures a rustproof design and no water is lost due to any leakage.

Pros & Benefits:

  • Rustproof and leak-proof design
  • Long 5-year warranty
  • Great energy savings
  • Water and gas input controls
  • Very good for family homes and multiple-use points


7. Eemax EEM24013 Electric Tankless Water Heater

EEM24013 Electric Tankless Water Heater
Eemax EEM24013 is best suited for small residential or commercial water heating needs, it’s good for up to two use points but in an area with colder temperature, it’s recommended for a single-use point.

The highlighting feature of Eemax EEM24013 is that it incorporates the most advanced self-modulating technology.

In layman’s terms, it means that the unit will adjust how much energy it needs to consume based on how much water needs to be heated.

It’s extremely power efficient as it only heats the water that you need, when you need it and can provide huge savings for the user.

It also features a dial for tremendously precise temperature adjustment as per the requirements of the users, along with a digital temperature reader on the face as well.

Due to its tankless design, it ensures instant, consistent, and endless hot water supply.

Its stainless steel components and highly advanced manufacturing process guarantee rustproof and contamination-free water supply.

Eemax also lays out a 5 year-long leakage warranty and 1 year long parts warranty. 

Pros & Benefits:

  • Very good design and construction
  • Most advanced energy-saving system 
  • On face thermal controls and temperature reading
  • Good warranty plan
  • High-quality internal components


8. Camplux TE11 Residential Water Heater

Camplux TE11 Residential Water Heater
Complex TE11 is a very sleek and modern tankless water heater system that has been developed by years of experience to fit in your modern-day houses with style.

Its state of the art manufacturing process and high-quality stainless steel components guarantee long-lasting durability and power efficiency.

The tankless design and high-quality heating pipes ensure a continuous and on-demand hot water supply while making huge savings due to its smart power consumption.

Along with Camplux TE11 also comes to a remote controller which is very handy to set temperatures according to the user’s need.

It also makes it very useful as it saves your favorite temperatures and can easily apply them by a single press of a button.

While being sleek and modern it’s also very compact and doesn’t take up a lot of your valuable space, along with that it has multiple mounting angles to facilitate the users to mount it wherever and however suits them.

It also comes packed with tons of safety features and an on face touch controls for temperature adjustments and a digital display for temperature information.

Pros & Benefits:

  • Very modern and sleek design
  • Multi mounting angles
  • Smart remote controller
  • On face touch controls
  • Jam-packed with safety features 


9. Eccotemp L10 Portable Tankless Water Heater

Eccotemp L10 Portable Tankless Water Heater
Have you ever been camping or staying at a cabin with no hot water?

If yes, Eccotemp L10 is for you, it’s designed for outdoor use and its heating system uses liquid Propane which can easily be carried to a camping site or a cabin on the hills in a gas cylinder.

With Eccotemp’s weatherproof rain cap design, it’s perfect for outdoors and is super easy to use and set up.

It comes with all the necessary parts needed for a seamless outdoor usage like a chrome showerhead and a stainless steel hose.

All you need a gas cylinder and a garden hose to connect a water input and you’ll be sure to have instant heated water wherever and whenever you need it.

While it has pressure activation, it also has great safety features like automatic safety shutoff timer.

Whether you like to camp in the mountains, stay by the lake, or like to be in solitude in a cabin in the woods Eccotemp what you need for a constant and on-demand luxury of hot water.

Pros & Benefits:

  • Amazing for outdoor use
  • Compact, solid and waterproof design makes it easy to carry
  • Super easy to set up
  • No power connection needed
  • Good safety features


10. Stiebel Eltron DHC-E12 Tankless Electric Water Heater

DHC-E12 Tankless Electric Water Heater
Stiebel Eltron makes many models of different sizes for different use cases but the Stiebel Eltron DHC-E12 is the best tankless water heater that they manufacture.

It’s a perfect tankless water heater for multi-point usage and it’s feature-packed with the latest and greatest technology and has the highest quality components to make sure of long and reliable experience for the users.

Stiebel Eltron DHC-E12 sleek and compact design makes it easy to place anywhere the user would like without the worry of concealing it.

It features highly advanced self-modulating technology which makes it extremely energy efficient.

It also has a temperature adjustment dial on the front cover that is capable of making micro-adjustment to the heating according to the user’s needs.

Along with its copper components that ensure a long and reliable lifespan its advanced microprocessor technology ensures a constant temperature even if the water flow varies.

Stiebels 3-year parts warranty gives the users peace of mind and makes it a unique choice in the tankless water heating market.

Pros & Benefits:

  • 3 year long parts warranty
  • Latest technology for consistent and reliable hot water 
  • Temperature adjustment dial for micro-adjustments
  • Sleek and compact design
  • Very good for multiple use points


Final Thoughts

Water that we use in our day to day life has many impurities in it due to the consistently growing pollution around us.

These impurities have a huge impact on our health and when paired with any existing health conditions the results can be disastrous.

This is where water filtration systems come into play and the tankless water heater filters are one of the best choices available on the market.

Most of them have integrated impurity filters to filter out harmful materials and over that, they also heat the water to kill the remaining germ, bacteria, and other organic contaminants.

There are tons of varieties available in the market for different people with different use cases and needs.

While all having the same purpose of providing clean, safe, and hot water, all the available options are unique in their rights from being best for a single point of use to ones that a good for an entire family home.

From having very sleek and eye-catching designs to very industrial and practical looking ones, from electric to gas-operated systems, there exists a choice for everyone.

Whether you’re in the market for a small tankless water heating system for a single sink or looking for one that can provide safe.

Hot water for an entire home, these are the 10 best options available out there.

Do you know of one that we may have missed?

Let us know down in the comments.

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