Kangen Water machine vs Coway, Cuckoo and RO filters
Most Malaysian homes choose between a rented water purifier, a reverse osmosis (RO) filter and a water ioniser like Kangen. They do different jobs. Here is an honest side-by-side so you can pick what suits your home.
Side by side
| Rental purifiers (e.g. Coway, Cuckoo) | RO filters | Kangen water machine | |
|---|---|---|---|
| How it works | Filters tap water through cartridges; many models add hot and cold water. | Pushes water through a very fine membrane that removes most dissolved minerals. | Filters tap water, then electrolysis on titanium plates coated with platinum separates it into five types. |
| What you get | Filtered drinking water; some models offer mildly alkaline water. | Very pure, neutral water with most minerals removed. | Five waters from pH 2.5 to 11.5, for drinking, cooking, beauty and cleaning. |
| Ownership | Usually rented on multi-year plans; outright purchase also available. | Usually bought outright. | Bought outright and yours to keep, with Enagic Malaysia warranty. |
| Typical cost | Rental from about RM30 to RM150 a month, depending on model. Check each brand for current prices. | Varies widely by brand and model. | RM 13,000 to RM 21,000, or from RM 217 a month over 60 months. |
| Upkeep | Filter changes and servicing are usually included in rental plans. | Membrane and filter changes; some water is discarded during filtering. | Regular filter changes and an automatic cleaning cycle. |
Choose a rental purifier if…
You want a low upfront cost, hot and cold water from one tap, and servicing handled for you.
Choose an RO filter if…
You want the purest possible water and don't mind most minerals being removed.
Choose Kangen if…
You want to own a long-lasting machine that makes several types of water for drinking, cooking, beauty and cleaning, all from your kitchen tap.
Coway and Cuckoo are trademarks of their respective owners. This is an independent comparison based on publicly available information, November 2026. Prices change, so please check with each brand.
FAQ
They do different things. Coway and Cuckoo mainly filter water, often with hot and cold options, usually on rental. Kangen filters and ionises water into five types, and you own the machine outright. The right choice depends on what you want the water for.
No. Kangen filters the water but keeps its natural minerals, while RO removes most of them.
Kangen machines are bought, not rented, but you can pay over up to 60 months with selected banks.
Yes. We bring a machine to your home for a free demo.