Top 5 Tankless Water Softener Systems For Water Heater Reviews

Are you searching for a water softener for a tankless water heater?

Then this article is right for you!

Here you can find all important information on water softener for water heaters. Read reviews of 5 best tankless water softener models where you can compare their technical specifications, water softener system types, design, dimensions, user-friendly features and much more.

tankless-water-softener

Things To Know Before Buying Water Softener For Water Heaters

Hard Water Filter For Tankless Water Heater Near Me

In your town, you can visit a local store with a wide offer to buy a tankless water softener, or you can go to a store that’s specialized in water softeners. On the Internet, you can search faster and compare many different models. Units are offered at their brand’s official website or online retailers such as Amazon.

Tankless Water Heater Softener Price Range

The price will depend on the brand, water softener system type, materials, included technology advanced features, system capacity, etc. The general price range for tankless water softeners is between $100 and $3000. The models from this list have lower prices.

Tankless Water Softener Systems

You can choose from two main types: saltless water softener and salt-based softening system. The salt-based often requires bigger tanks, so it’s much easier if you decide to buy alternative models such as magnetic, electric and chemical-free softening systems.

User-Friendly Features

Some models function as both water heater and softener, but they aren’t included in this list. However, you can search for other useful features such as included filtration system that additionally cleans the water and makes its taste and quality better.

Quality And Warranty

The water softener for water heater should be made from high-quality materials that ensure its longevity. Also, they should have at least a 1-year limited warranty on all parts, which is a guarantee of their quality and longevity.

The Best 5 Water Softener For Tankless Water Heater Reviews

The Best Saltless Softener For Water Heater:

Clearwave CW-125 Softener

Design And Installation

This is an electric softener that’s compact and lightweight. It weighs 2.6 pounds. The length is 14”, width is 4” and height is 12”.  Its design makes it easy to install. It doesn’t require any plumbing, but you just have to connect it directly to the pipe of the water supply.

Clearwave 46100000 Field CW-125

Reduces Limescale Without Salt Use

Its softening system significantly reduces scale build-up that’s made by hard water in pipes and household appliances. This is done without any use of salt, chemicals or other substances that must be added to the water.

Electro-Magnetic Fields

That’s very user-friendly because you can be sure the water doesn’t contain excess salt which is important for people on salt-reduction diets. The water softening system is based on making electromagnetic waves.

Clearwave 46100000 Field CW-125 review

Changes Adherence Power Of Hard Ions

These waves create an electromagnetic field around the area of the pipe where the device is connected. When water passes through that area, the molecular structure of hard ions is changed. In that way, they lose their adherence power so they can’t form limescale in water pipes or household appliances.

Eco-Friendly And Maintenance-Free

The unit is eco-friendly because it doesn’t release excess salt in the environment. Also, it’s maintenance-free and saves money because it doesn’t require salt replacements, plumbing and uses less water in comparison to traditional water systems.

Features:

  • electromagnetic field changes the structure of hard ions
  • 6 pounds of weight
  • 14” long, 4” wide and 12” high
  • eco-friendly operation system
  • connects directly to the water pipe

The Best Magnetic Water Softener For Tankless Water Heater:

Envriomagnetics Water Softener

Magnetic Softening System

This unit is also eco-friendly because it doesn’t use any salt for softening water. The system creates a magnetic field around the area of the pipe where you connect it. This magnetic field works the same way as the electric field of the previous model.

Enviromagnetics.Net Regular Whole House Natural Hard Water

Hard Ions Lose Adherence Ability

When water passes through the area of the magnetic field, the molecular structure of hard ions such as calcium and magnesium is changed. In that way, they can’t connect to the surfaces of pipes and household appliances to cause mineral build-up.

Retains Minerals Beneficial For Health

It’s great and beneficial for the health, because this kind of softening process retains beneficial minerals in the water, but prevents limescale creation. Also, there isn’t too much salt in the water, which is important for people that aren’t supposed to consume a lot of it.

Enviromagnetics.Net Regular Whole House Natural Hard Water review

Two System Units

The package comes two system units. One is for cold water lines, while the other is suited for input and output lines of a tankless heater. It eliminates scale build-up and green stains, neutralizes corrosive water and reduces water heating costs. It’s maintenance-free, doesn’t require salt replacement and uses less water for the process which additionally saves money.

Installation And Warranty

There’s no moving parts and installation it’s easy. It doesn’t require plumbing, tools or electricity. Just connect it directly to the pipe. The great user-friendly feature is a lifetime warranty that covers all the parts.

Features:

  • two units included for cold and hotlines
  • creates a magnetic field around the pipe
  • maintenance-free
  • comes with a lifetime warranty

The Best Tankless Water Softener With Pre-Filter:

Filtersmart Water Softening System

Softens Without Electricity And Salt

Like the previous two models, this unit also doesn’t use salt for removing hard ions from water. However, the softening of water is part of the filtration system, and it’s not processed with any magnetic or electronic field.

Filtersmart Salt-Free Water Softener System

2in1 Filtration And Softening System

It’s both filtration and softening system, which is very user-friendly because it ensures the water is clean, safe for health and soft. The system is structured with a pre-filter and tank unit. The pre-filter isn’t always included with the models, but it’s very useful to have one.

Sediment Pre-Filter

The pre-filter removes large particles from the water such as sediment, rust, chemicals, and other components. It’s very user-friendly because it extends the longevity of a secondary filter that isn’t damaged by these larger particles. The pre-filter that should be changed every 8-10 month.

Filtersmart Salt-Free Water Softener System review

Carbon Filter For Small Contaminants

Second is the granulated activated carbon filter that’s used to remove chlorine which makes the water taste better. Also, it removes small particles such as bacteria, viruses and other contaminants that can be found in the water.

Water Softening And Maintenance

The last stage is responsible for water softening. It’s made from ceramic balls that are retaining the minerals that cause build-ups in water pipes and household appliances. The unit is maintenance-free, except for the pre-filter replacements. FilterSmart up-flow technology maintains the filters without the use of electricity, drain or salt replacements.

Features:

  • pre-filter and granulated activated carbon filter
  • ceramic balls for water softening
  • FilterSmart up-flow maintenance technology

The Best Compact Water Softener For Tankless Water Heater:

Aquasana Water Softener System

Compact Design

This unit is very compact so you can put it anywhere in your household. It should be connected to the main water supply, but installation is easy and doesn’t require electricity. The design is 4.5” long, 4.5” wide and 23” high.

Aquasana THD-AS20 SimplySoft 2-Year 20 in. Salt-Free Water Softener

Weight And Installation

Its weight is only 7.4 pounds, so it’s very easy to transport, carry and install. In the package, you’ll get the unit with a user manual where you can read detailed instructions on installation, and also on the system’s operation process.

Keeps Good Minerals In The Water

Like all devices on this list, the model doesn’t use any salt for softening the water. That’s very useful because the minerals that are good for human’s health are kept in the water, while there isn’t any excess salt consumption.

Aquasana THD-AS20 SimplySoft 2-Year 20 in. Salt-Free Water Softener review

Eco-Friendly And Money Saving

Also, the salt isn’t released in an eco-friendly environment. You’ll save money because you don’t have to buy salt replacements, and there is less usage of electricity and water. Additionally, there’s no need for plumbing.

SCM Technology And UV Filtration

This brand uses SCM technology to soften the water, which prevents limescale creation and protects pipes from corrosion. It has an additional user-friendly feature which is a UV filtration that kills 99.99% of viruses and bacteria, so it’s sanitized and good for your health.

Features:

  • SCM technology for softening water
  • includes a UV filtration system

The Best Cheap Saltfree Tankless Water Softener:

Magnetic Water Technology Softening System

Magnetic Based Softening System

This is another unit that’s based on creating a magnetic field for changing the molecular structure of hard ions such as calcium and magnesium which therefore can’t connect to any surface in pipes or household appliances.

Magnetic Water Softener-GRAND Model Two Unit Combo

Strong Magnetic Force

Because of the softening system type, this unit is suitable for both cold and hot water lines, so it’s one of the cheapest models you can buy if you want to soften the water from the water heater. It comes with two units. They have 2 high-grade neodymium magnets with a strong magnetic force.

Retains Healthy Minerals

Softened water won’t create mineral build-ups, and it will be more soothing to the skin when showering. Besides, all the minerals are retained in the water which is more healthy for drinking.

Magnetic Water Softener-GRAND Model Two Unit Combo review

Easy Installation

You won’t need any tools, electricity or plumbing for installation. Just connect the device directly to the water pipe. When water passes through that area, the ions will change. There’s no need for maintenance which saves a lot of money.

Compact And Lightweight Design

Not using salt is better for health and environment, and reduces costs because you don’t have to buy salt replacements. It’s compact, and lightweight, therefore easy to carry and transport. It’s 12” long, 10”’ wide and 4” high. It weighs 3.6 pounds.

Features:

  • 2 neodymium magnets
  • includes 2 units for cold and hot water lines
  • no-tools and no-electricity installation
  • compact and lightweight
  • eco-friendly softening system

Conclusion: Which Two Best Tankless Water Softener Models You Should Buy?

In my opinion, the two best models to buy are the Filtersmart water softener for the tankless water heater and Aquasana water softener for the water heater. These models have both filtration and softener systems that can work on hot water lines and provide high-quality clean and tasty soft water. Also, they’re maintenance-free and easy to install.

In case you want to read more about 2in1 units, read this review on the whole home water filter and softener. For more softeners for apartments and homes, read this article on water conditioner models. If you need a device that’s portable and good for traveling, read this review on RV water softener models.