
Need help dialing in your water hardness? Use this handy DIY guide on how to set a water softener to save money and get the best results possible.
Pre-plumb your home for a water softening system
A water softener loop is a horseshoe-shaped pipe setup near your main water supply that connects your interior plumbing to a softening system.
Installing a new soft water loop costs $600 to $2,000, depending on how much rerouting your plumber needs to complete and the distance involved.
Check your garage, utility closet, or mechanical room for an existing loop before you schedule installation to confirm whether your home is already pre-plumbed.
Hiring a local water softener installation professional keeps the loop connection secure and handles cutting existing lines plus installing new connections to your main supply.
Hard water can cause a lot of problems in your home. In addition to drying out skin and hair, it can clog and shorten the life spans of water-using appliances like dishwashers, washers, water heaters, toilets, and faucets. You can install a water softener to remove or neutralize the minerals in your water. Before doing so, though, make sure your house is pre-plumbed for a water softener. Read on to learn what’s involved.
A water softener works by removing minerals from the water circulating inside your home. To separate out and only soften water coming into your home, you’ll need to install a water softener loop, plus a drain (for pipe discharge) and an electrical outlet.
This pre-plumbed pipe setup must be near your main water supply line and eventually connect your interior water distribution pipes to your water softening system. Once you install this loop, you’ll be able to put in a softener to improve the longevity of your appliances and protect your interior faucets and water lines.

If you built your home recently, there’s a good chance your builder installed a soft water loop setup. If you’re building a home currently, make sure your plumber installs such a loop. To determine whether your home has this feature, check your garage, mechanical room or utility closet, and your home’s exterior walls.
Then, look for a horseshoe-shaped tube, which should come out of the pipes in the wall or arise from the pipes under the floor. The loop might be covered and taped in black insulation. Underneath, you should see a pipe stub emerging from the wall and an electrical outlet nearby.

If you don’t already have a loop, install one near your main water supply line. If you have a whole-home water filter, the loop for the filter should usually appear before the filtration system. The job should cost $600 to $2,000 on average, depending on whether any pipes need to be re-routed and how far the loop will sit from your existing plumbing.
Once your home is pre-plumbed, you can install a water softening system. If installing such a system for the first time, you’ll need to hire a plumber to cut existing lines and install new connections.
The cost to install a water softener is around $1,500 on average including installation. On the lowest end, you might be able to spend as little as $500. For a larger system, you could invest as much as $6,000 or more. While it can be expensive, it’s always worthwhile to call in a water softener installer near you to get the job done correctly.
Water softeners last between 10 and 25 years in most cases, so expect to see repeating installation costs every few decades. Other ongoing costs include refilling the salt as your water softener regenerates and consumes salt to flush the system, as well as water softener repair costs from time to time.
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From average costs to expert advice, get all the answers you need to get your job done.

Need help dialing in your water hardness? Use this handy DIY guide on how to set a water softener to save money and get the best results possible.

Trying to decide between the different types of water softeners? Our guide will help you choose the right salt-based or salt-free option for your home.

Who repairs water softeners? You should be able to hire water softener repair and installation companies or plumbers to fix issues with these appliances.

Water softeners remove minerals from hard water in your home and make your water more pleasant to use. Learn more about how they work here.

Water softeners remove hard minerals from your tap water, improving plumbing systems and water-using appliances. Here are the most efficient water softeners out there.

Not keen on spending thousands on a water softener? Use this guide to see if it would be better to rent or buy a water softener for your home.