What reverse osmosis means
Reverse osmosis is a filtration method that pushes water through a very fine membrane to remove most dissolved solids, usually installed under a kitchen sink.
Also called RO system.
Where it matters on a water treatment job
RO systems need filter and membrane changes on a schedule, which makes a good service plan. Plan for the drain connection and air gap, and for the dedicated faucet hole in the counter.
What it costs
Koira's water softener installation cost guide puts a typical job at $2,000, with most between $200 to $6,000. The guide shows its sources and what moves the price.
Work it out
- Cost guide: Water softener installation cost
- Tools, templates and guides: Free water treatment resources