The verdict
The SmartFlow is the tankless RO pick — Aquasana's compact RO with smart leak detection saves space.
Aquasana SmartFlow Reverse Osmosis
Strengths
- +NSF 58 certified RO
- +96% contaminant removal
- +Tankless design saves space
- +Smart leak detection
Watch-outs
- −Premium price
- −Aquasana brand newer to RO than APEC
- −Initial install learning curve
How it compares
Tankless RO. Smart leak detection. Premium price.
Who this is for
At a glance: users with limited under-sink space who still want RO.
Why you’d buy the Aquasana SmartFlow Reverse Osmosis
- NSF 58 certified RO.
- 96% contaminant removal.
- Tankless design saves space.
Why you’d skip it
- Premium price.
- Aquasana brand newer to RO than APEC.
- Initial install learning curve.
Rating sources
Our 4.6 score is the average of these published ratings. More about methodology.
