AquaTru Classic vs Aquasana AQ-5200
Bottom line
In our scoring the AquaTru Classic edges ahead, mainly on certified breadth - its reverse-osmosis certification covers arsenic, nitrate, and fluoride that the Aquasana's carbon filter does not, and it needs no plumbing. But the Aquasana AQ-5200 is the lower total cost of ownership by a wide margin, at roughly half the cost per gallon, and it is still certified for lead and PFAS. In our view, if your water test flags arsenic, nitrate, or fluoride, or you cannot plumb under the sink, the AquaTru is worth its higher running cost; if lead, PFAS, chlorine, and the common contaminants are your concern, the Aquasana delivers certified reduction for far less per gallon.
Both of these are genuinely certified for lead and PFAS, which already puts them ahead of most of the 'tested to' field, so the decision comes down to running cost versus certified breadth. On cost per gallon the Aquasana wins clearly: its 500-gallon Claryum cartridge works out to about 0.15 dollars a gallon, while the AquaTru's three-stage RO set lands closer to 0.29 dollars a gallon - roughly double. What the AquaTru buys with that higher running cost is reverse osmosis breadth: it is IAPMO-certified across a wider contaminant list that adds arsenic, nitrate, fluoride, and chromium-6, contaminants a carbon filter like the Aquasana is not certified to reduce. The AquaTru is also a countertop unit needing no plumbing, while the Aquasana installs under the sink.
| 11 certified / 11 marketed | Certified vs marketed contaminants | 12 certified / 12 marketed |
| 10.0 | Verified Contaminant Reduction35% | 9.0 |
| 1.0 | Total Cost of Ownership25% | 2.5 |
| 10.0 | Certification Independence15% | 10.0 |
| 10.0 | Capacity & Flow Fit15% | 8.0 |
| 7.0 | Practical Fit10% | 7.0 |
FAQ
- Is the AquaTru Classic Countertop RO better than the Aquasana AQ-5200 Under-Sink?
- In our scoring the AquaTru Classic Countertop RO rates 7.5/10 and the Aquasana AQ-5200 Under-Sink 7.2/10. In our scoring the AquaTru Classic edges ahead, mainly on certified breadth - its reverse-osmosis certification covers arsenic, nitrate, and fluoride that the Aquasana's carbon filter does not, and it needs no plumbing. But the Aquasana AQ-5200 is the lower total cost of ownership by a wide margin, at roughly half the cost per gallon, and it is still certified for lead and PFAS. In our view, if your water test flags arsenic, nitrate, or fluoride, or you cannot plumb under the sink, the AquaTru is worth its higher running cost; if lead, PFAS, chlorine, and the common contaminants are your concern, the Aquasana delivers certified reduction for far less per gallon.
- Which is cheaper to run, the AquaTru or the Aquasana?
- The Aquasana AQ-5200, by a wide margin. Its 500-gallon cartridge works out to roughly 0.15 dollars per gallon against the AquaTru's roughly 0.29 dollars per gallon - about half the running cost. We compute cost per gallon from each unit's real cartridge price and rated gallons, so this is the running-cost number neither brand puts on the box.
- Are both certified for lead and PFAS?
- Yes. The AquaTru is IAPMO-certified to NSF/ANSI 53 and 58 for lead and PFOA/PFOS, and the Aquasana is WQA-certified to NSF/ANSI 53 for lead and PFOA/PFOS. Both are verifiable certifications, not 'tested to' claims.
- Why does the AquaTru score higher if it costs more to run?
- Because under our rubric certified contaminant reduction carries more weight than running cost. The AquaTru's reverse-osmosis certification covers a broader list - it adds arsenic, nitrate, fluoride, and chromium-6 that the Aquasana's carbon filter is not certified for. The Aquasana closes most of the gap on its far lower cost per gallon, which is why the two finish close.
- Do I need reverse osmosis, or is the carbon filter enough?
- It depends on your water. If a test flags arsenic, nitrate, or fluoride, you want the certified reverse-osmosis breadth of the AquaTru. If your concern is lead, PFAS, chlorine, and common contaminants, the Aquasana is certified for those at a much lower cost per gallon.