If you’re on a tight budget (or just mildly annoyed by hard water), you can grab a basic model for $400 to $800. These are usually twin-tank or “portable” units you hook up yourself. They work, but they’re like the economy seat of water treatment—functional, but you’ll feel every bump.
You’ll also have to refill them with salt every two weeks. And when the brine tank gets that weird pink slime? Yeah, that’s your new hobby. (You’re welcome.)
The “I want something decent” mid-range
Most homeowners land in the $800 to $2,500 sweet spot. This buys you a metered system that regenerates only when needed, saving salt and water. These units usually come with a digital display and maybe a fancy bypass valve.
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You also get a warranty that doesn’t expire before the system does—usually five to ten years. That’s starting to sound reasonable, right? Don’t get too comfy; installation alone can eat another $500.