Reverse osmosis: is it worth it? The savings in numbers

July 5, 2026·Ósmosis Costa del Sol · EcoHogar Instalaciones
Garrafas de agua embotellada frente a un grifo de ósmosis inversa sirviendo agua

It's the question we hear most: does installing osmosis at home really pay off? Let's run the numbers calmly, no tricks.

What bottled water costs

A family of four drinking and cooking with bottled water easily spends between €200 and €400 a year, on top of carrying the bottles and generating mountains of plastic.

What osmosis water costs

A residential reverse osmosis has an initial installation cost and then only the filter changes (once a year) and the membrane (every 2-3 years). Each liter costs cents.

So when does it pay for itself?

In most cases, the system pays for itself within months and from then on you save every year. And there are perks you won't see on the bill: no bottles to carry, water always available and less plastic.

The first step, always, is measuring your water and giving you a fixed quote. It's free and with no obligation: call 600 500 074.

Want real water in your home or business?

Free water test in Malaga, Marbella and the whole Costa del Sol. Fixed quote, no obligation.

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