Water Softener Finder
Every number sourced

Whole House Water Softener and Filter Combo: Cost and What You Get

A whole house water softener and filter combo does two jobs in one install. It filters the water and takes out the minerals that make it hard. Fixr puts the installed cost at $1,500 to $10,000, and it says the job is much bigger than fitting a softener alone. One combo in our own list runs $1,745.72.

What a combo unit is doing

A softener has one job. It takes the hardness minerals out of your water.

A filter has a different job. It goes after the things you can taste and smell.

A combo handles both. Fixr says a combo lets you filter and remove the minerals that create hard water at the same time.

That is the appeal in one line. You get one install, one spot on the wall, and two problems handled.

What it costs to put in

Here is the sourced number, with its width shown honestly.

Fixr says the cost of installing a water softener and filter system ranges from $1,500 to $10,000.

That is a wide range, and the reason is in the same source. Fixr says a combo is a much bigger job than installing just a softener.

So treat the low end as a simple install and the high end as a complicated one. Your house decides where you land, and only a local quote settles it.

What one real combo looks like

We would rather show you a real product than describe a category.

Our list includes the US Water Systems Matrixx-Hybrid Filter and Smart Water Softener. It is priced at $1,745.72. It carries 35,000 grains of capacity and a lifetime warranty.

Put that price against the Fixr range. At $1,745.72, the unit sits near the bottom of the $1,500 to $10,000 installed range, before any install labor.

Those three numbers are the ones our scoring uses, so that is what we can tell you about it. They are price, capacity and warranty.

How the two jobs fit in one tank

The maker explains its own build, and it is easier to picture than you would think.

That page says a carbon filter bed sits on top. The carbon bed removes chlorine, chloramine, chemicals and odors. Below it sits a softening resin bed, and that bed removes the hardness minerals that cause scale.

So the water meets the filter first and the softener second, inside one tank.

The maker also makes a space claim about that design. It says most premium systems need a two-tank softener and carbon filter combo plus a brine tank to do what its one-tank unit does. That is the maker's own comparison, not ours, and we are printing it as theirs.

When iron is the real problem

Sometimes the second job is not taste. It is iron, and iron has a number attached.

Penn State Extension says drinking water is recommended to have no more than 0.3 mg/L of iron. That is the same as 0.3 parts per million. It also says manganese should stay under 0.05 mg/L.

Get your water tested and compare it against those two numbers. That result is what tells you whether an iron filter belongs in your plan at all.

A softener alone is not an iron treatment plan. If your test comes back over those levels, the filter half of your setup is doing real work.

What we cannot tell you here

Three honest blanks, so you know where the edges of this page are.

We found no sourced cost for an iron filter plus a softener as its own package. The $1,500 to $10,000 range covers a filter and softener combo in general, so that is how we are using it.

We also found no source giving the correct order for separate components in a plumbing line. So we are not going to tell you what goes first. What we can describe is the one-tank build above, because the maker describes it on its own page.

Our list holds a second combo product as well. We do not have its maker page saved, so we are not describing how it is built.

Who this is for

A combo is worth looking at when you have two complaints, not one.

If your only issue is spots, scale and stiff laundry, a softener answers that on its own. Adding a filter you do not need is money spent on a symptom you do not have.

If your water is hard and it also tastes or smells wrong, one install can cover both. That is the case where a combo earns the extra work.

See the whole house filters we list

Questions people ask

How much does a whole house softener and filter combo cost?
Fixr says installing a water softener and filter system ranges from $1,500 to $10,000. It also says the job is much bigger than installing just a softener, which is part of why the range is wide.
Is a combo cheaper than buying two systems?
We could not source a direct price comparison, so we are not printing one. What we can show is a real combo in our list at $1,745.72 for 35,000 grains with a lifetime warranty.
How does one tank do both jobs?
On the US Water Systems product page, a carbon filter bed sits on top and removes chlorine, chloramine, chemicals and odors. A softening resin bed sits below it and removes the hardness minerals that cause scale.
Do I need an iron filter too?
A water test answers that. Penn State Extension says drinking water is recommended to have no more than 0.3 mg/L of iron, and less than 0.05 mg/L of manganese.
Which component goes first in the plumbing?
We could not source an answer, so we are not giving you one. The only build we can describe is the single-tank design above, where the maker puts the carbon bed on top of the resin bed.
Our pick

Still deciding which softener to buy? Our pick is the Crystal Quest whole house softener. It holds 45,000 grains. It filters your water on the way in. It filters again on the way out. The standalone system costs $1,531.00. One system in our table costs less and scores higher. Compare both before you spend. Check the price.