Byzeng: 1 DOE certified model
Byzeng has one air purifier basic model certified to DOE as of 2026-11-03, rated smoke CADR 78 cfm. It's the same unit as a model filed under 4 other brands. How its efficiency compares with its DOE class is below.
Source: DOE Compliance Certification Database (air purifiers), data as of 2026-11-03.
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Air purifiers
| # | Photo | Model | Labels | Smoke CADR, cfm | Room size | PM2.5 CADR | CADR/W | Brands | Amazon |
|---|---|---|---|---|---|---|---|---|---|
| 1 |  | ByzengAPH200- |
| 78cfm, 121 sq ft | 121 sq ft | 81 | 5.8 | 5 | Check price on Amazon |
How efficient is the Byzeng APH200-22J6?
Byzeng APH200-22J6 files CADR/W 5.8. The median among the 90 models in its DOE class (air purifiers, PM2.5 CADR 10 to 99 cfm) is 3.5, so it's above the median: higher than 80 of the 90.
A higher CADR/W means more clean air per watt.
Who makes Byzeng air purifiers?
DOE's database has no manufacturer field, so the evidence is whose model number each unit is filed under and which other brands file the same unit.
Its one basic model is filed under Byzeng's own model number and sold by other brands too, so Byzeng is the filer of record for it.
Byzeng shares its basic model with 4 other brands. The other brands:
| Basic model | Byzeng model | Number belongs to | Brands |
|---|---|---|---|
| APH200- | APH200- | Byzeng | 5 |
How much does a Byzeng air purifier cost to run?
For Byzeng APH200-22J6, DOE's record lists 82 kWh a year, the annual energy figure from DOE's test. That's about $14.89 a year.
At 18.16¢ per kWh, the US average residential price for August 2026 (EIA Electric Power Monthly, table 5.6.A). Worked out from the certified figures.
How does Byzeng APH200-22J6 compare with other brands?
Picked by rule from models with a matched listing, DOE data as of 2026-11-03.
- Within 20 cfm of its size, highest CADR/W: Blueair 3131000100, 69 cfm. Room size 107 sq ft, CADR/W 8: about 28% less power for the same clean air.
- Nearest size in its class with a higher CADR/W: Honeywell HPA125B, 71 cfm. Room size 110 sq ft, CADR/W 6.1: about 5% less power for the same clean air.
- Nearest bigger unit: HASHONE KD3-W, 103 cfm. Room size 160 sq ft, CADR/W 3.3.
Questions about Byzeng
- Is Byzeng a good air purifier brand?
- Its one air purifier basic model, Byzeng APH200-22J6, certifies 78 cfm, and its CADR/W of 5.8 is higher than 80 of the 90 in its DOE class (air purifiers, PM2.5 CADR 10 to 99 cfm). It's the same unit as another brand's model. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.
- What room size are Byzeng air purifiers rated for?
- DOE's effective room size for Byzeng APH200-22J6 is 121 sq ft, from a certified smoke CADR 78 cfm. CADR and room size.
- Is Byzeng the same as COWSAR?
- For one unit, yes: both file it under the same DOE basic model (APH200-22J6). Compare the 5 brands of APH200-22J6.