The Average Price of Water Softeners 

When you shop for a water softener, you can find a variety of models with different price tags. Ultimately, the average cost of a water softener depends on your needs and preferences. 

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Size and Brand Aside from the type of system, the size of your home also has a role to play in the overall cost of a water softener. Larger homes will need larger, more complex systems. 

If you have a smaller family and don’t need a lot of water, you might be able to get away with a smaller unit or fewer features. However, if you have more than five people living in your home, you’ll want to consider a larger model or more features. 

Whether you’re buying a small or large water softener, be sure to factor in the cost of salt and maintenance. These costs can be quite high and are not included in the average cost of a water softener. 


The average cost of a water softener installation is $1,500 for a whole house system, but the cost can range from $500 to $6,000. If you’re installing a unit under the sink, the cost can be even lower since the system is more compact. 

Installing a water softener involves a plumber working in your home’s plumbing to install a unit that will remove hard minerals from the water that comes out of your taps. The total cost will include labor, plumbing parts, and electricity. 

In general, it’s a good idea to have your water tested to determine if it’s hard or soft before you buy a water softener. This way, you can avoid spending money on something that doesn’t work or doesn’t make sense for your needs. 

There are a few types of water softeners available on the market, including ion exchange and salt-free systems. Ion exchange systems are the most popular and typically cost between $500 and $3,000 depending on the capacity of the system you choose. 

These systems “swap” the hard minerals found in your water with sodium ions, preventing them from forming a scale buildup on faucets and other surfaces. Some ion exchange systems also come with additional features like an on-demand or electric metered control valve, so you can know when the system is running low on salt and water. 

Other options are magnetic water softeners, which use magnets to create an energy field that reverses the ion formation and prevents scale buildup. These systems can be less expensive than ion exchangers, and they’re gaining popularity for their eco-friendly qualities. 

If you want to remove all the contaminants from your water, consider a reverse osmosis system. These units are designed to remove all the hard minerals and harmful contaminants from your water, making it safer for drinking than tap water. 

Reverse osmosis systems cost between $1,000 and $2,800 to purchase and install. You can have one installed under your kitchen sink or for your entire home, and it can be used in tandem with other water softener components.