How Long Do Water Softeners Last (And Why)?

Exact Answer: 10 to 15 years

Water Softener can be described as a device used to remove minerals from hard water to turn it into soft water. It is from due to this reason, it is named as a water softener. The water softener removes unwanted minerals like calcium and magnesium from the water which is crucial to eliminate the ill effects of the hard water on the hair and human skin.

It acts as a filtration system whereby the hard water passes through the machine. The water softener wipes out huge concentrations of calcium and magnesium which are the reason that makes water hard. Once the water leaves this system, it is softened and safe to be used.

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How Long Do Water Softeners Last?

Type Of The Water Softener UsedLifespan Of Water Softener
Salt-based Ion Exchange water softener8 to 10 years
On-demand Controlled water softener10 to 13 years
Dual Tank water softener13 to 16 years

There are three types of water softeners that are readily available in the market. These are the salt-based ion exchange water softener, the On-demand Controlled water softener, and the dual tank water softener. Each one of the water softener devices is different from one another although all of them perform the same function.

The Salt-based Ion exchange water softener is the most commonly available type of water softener. As its name would suggest, the device exchanges ions in the hard water with sodium ions to make it soft. Water softeners of these categories can last for 8 to 10 years with a good deal of care being imparted to them.

The On-demand Controlled water softener is another major type of water softener. These devices make have an extra level of the task as compared to general water softeners which help to make sure that the regeneration is on time. The water softeners of this class have an average life of about 10 to 13 years.

Dual tank water softeners have a greater level of efficiency and more lifespan as compared to the standard ones. As could be interpreted by their name, these water softeners have two tanks, and one tank is regenerated, it switches over to the other one. Water softeners of this type can last for about 13 to 16 years with proper establishment and care.

Why Water Softener Lasts For So Long?

There are several reasons behind the long functioning of water softeners. These include a proper installation process and adequate care for the device. Apart from these, different types of water softeners have some innate features which help them to have a long active period.

If proper care and maintenance facilities are imparted to the water softener, there will certainly be a great increase in its lifespan. On the other hand, if no proper care is given to them, their life will decrease. Similarly, if the installation process of the device was not smooth enough, there may be problems in its working resulting in a short life.

Besides these, the On-demand Controlled water softeners and Dual tank water softener have special features attached to them, which enable a long life for them. In the On-demand Controlled water softener, as its name would represent, the generation process is on-demand and thus, can be controlled. This results in a great deal of efficiency and effectiveness.

Unlike other water softeners, the dual tank water softener has two tanks. This results in better working as there is no waiting process for the regeneration process to stop to get soft water. Moreover, double the number of tanks roughly corresponds to double the life expectancy of the water softener as compared to the standard ones.


Water softeners are a great invention of mankind that has immensely helped in softening hard water by removing unwanted minerals like calcium and magnesium. These water softeners are of three main types.

The salt-based ion exchange water softener is the most common one with a life of 8 to 10 years. The On-demand Controlled water softener is efficient and has a life of 10 to 13 years on average. A dual tank water softener has two tanks and its life is about 13 to 16 years.



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