Here’s a fun little fact: installing a water softener is not a beginner DIY project unless you’re handy with copper pipe and a blowtorch. Most people hire a plumber, which costs between $200 and $500 for labor.
If you’re renting, check with your landlord—many are happy to let you install one if it protects their water heater. You can also buy portable units that hook directly to a faucet. They’re small, but they work wonders for a single sink or a countertop espresso machine.
5 Best Soft Water Systems In 2026: Expert Tested & Compared
