Winix 5500-2 vs Winix AM90
Bottom line
This one is now a tie in our scoring - both land at 5.2/10 in our Limited band. The two clean air at the same verified CADR, and the running-cost gap has narrowed: the AM90 costs about $70 a year in filters against the 5500-2's $59, roughly $63 more over five years, which still makes the 5500-2 the slightly cheaper five-year buy for the same cleaning performance. The AM90's genuine edge is its Wi-Fi connectivity and built-in air-quality sensor, features the 5500-2 does not offer. Both carry the same defeatable ionizer, which floors safety to 0.0/10 in our rubric unless you turn PlasmaWave off.
These two Winix units share the same engine on the data: an identical 246 cfm AHAM-verified CADR, the same 360 sq ft rating, the same True HEPA filter, and the same defeatable PlasmaWave ionizer. The real split is running cost. The 5500-2's filters run about $59 a year (~$457 over five years with the device), while the AM90's run about $70 a year (~$520 over five years). The AM90 adds Wi-Fi and an air-quality sensor the 5500-2 lacks.
| 246 cfm (AHAM-verified) | CADR (independently verified?) | 246 cfm (AHAM-verified) |
| 7.0 | Verified Performance30% | 7.0 |
| 4.5 | Total Cost of Ownership25% | 4.5 |
| 5.0 | Certification15% | 5.0 |
| 0.0 | Safety15% | 0.0 |
| 8.0 | Practical Fit15% | 8.0 |
FAQ
- Is the Winix 5500-2 better than the Winix AM90?
- In our scoring the Winix 5500-2 rates 5.2/10 and the Winix AM90 5.2/10. This one is now a tie in our scoring - both land at 5.2/10 in our Limited band. The two clean air at the same verified CADR, and the running-cost gap has narrowed: the AM90 costs about $70 a year in filters against the 5500-2's $59, roughly $63 more over five years, which still makes the 5500-2 the slightly cheaper five-year buy for the same cleaning performance. The AM90's genuine edge is its Wi-Fi connectivity and built-in air-quality sensor, features the 5500-2 does not offer. Both carry the same defeatable ionizer, which floors safety to 0.0/10 in our rubric unless you turn PlasmaWave off.
- Which Winix is the better value?
- The two now tie at 5.2/10 in our scoring, so value comes down to running cost. Both deliver the same 246 cfm AHAM-verified CADR and the same 360 sq ft rating, and the 5500-2's filters cost about $59 a year versus $70 for the AM90 - roughly $457 over five years against $520. For the same cleaning power, we lean toward the cheaper-to-run unit.
- Is the AM90 worth the extra money?
- That depends on whether you want Wi-Fi and the built-in air-quality sensor, which the 5500-2 lacks. On cleaning, the data shows no difference: identical 246 cfm verified CADR and the same 360 sq ft rating. In our view, paying a higher up-front price and a higher annual filter cost for connectivity is a hard case to make if air-cleaning is your priority.
- Do both units really cover 360 sq ft?
- Both are rated for 360 sq ft, and that figure is backed by their AHAM-verified CADR (246 cfm pollen, 232 smoke, 243 dust) in our scoring, giving about 4.8 air changes per hour at that size. The room claim holds up against the verified test data for both units, which is why each earns 8.0/10 on practical fit.