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OptimH2O Reverse Osmosis vs Rhino Whole House

Aquasana's $379 model meets Aquasana's $1099 model. We tally wins category by category, then call a verdict.

Our recommendation

The Rhino Whole House wins on more spec categories (2–1), but the OptimH2O Reverse Osmosis undercuts it by $720. Choose the Rhino Whole House for performance, the OptimH2O Reverse Osmosis to save.

OptimH2O Reverse Osmosis: 1 category wins Rhino Whole House: 2 category wins

Side by side

OptimH2O Reverse Osmosis

$379

Rhino Whole House

$1099

Filter type

Under-sink RO

Whole-house

Removes

lead, PFAS, fluoride, nitrates, arsenic, chlorine

chlorine, sediment, chloramine

NSF certified

42, 53, 58, 401

Flow rate

0.06 GPM

7 GPMWin

Filter life

600 gal

1,000,000 galWin

Filter cost / yr

110 USDWin

180 USD

Installation

DIY

Professional

Storage tank

Yes

OptimH2O Reverse Osmosis

Under-sink RO with Claryum remineralization that targets lead, PFAS, and fluoride.

Buy on Amazon → Buy from Aquasana →

Rhino Whole House

Whole-house system that treats every tap with high-capacity carbon and sediment filtration.

Buy on Amazon → Buy from Aquasana →

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