The best water softener is the one you’ll actually maintain. A fancy system with salt leaks and broken timers is worse than no softener at all. I recommend a mid-priced salt-based system from a reputable brand (like Fleck or GE) with a digital control head. It’s boring, but reliable—like a golden retriever in machine form.
If you’re eco-conscious or hate lifting heavy things, get a salt-free TAC unit. It won’t make your water truly soft, but it will stop the scaling, and you can feel superior at parties. Just remember: no system is perfect—except maybe a lifetime supply of bottled water and a therapist to handle your mineral-related angst. But that’s a different kind of softness.