SIESEAN: 1 DOE certified model
SIESEAN has one air purifier basic model certified to DOE as of 2026-11-03, rated smoke CADR 270 cfm. 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 |  | SIESEANAP- |
| 270cfm, 419 sq ft | 419 sq ft | 270 | 6.4 | 1 | Check price on Amazon |
How efficient is the SIESEAN AP-480?
SIESEAN AP-480 files CADR/W 6.4. The median among the 140 models in its DOE class (air purifiers, PM2.5 CADR 150+ cfm) is 5.5, so it's above the median: higher than 100 of the 140.
A higher CADR/W means more clean air per watt.
Who makes SIESEAN 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 isn't filed by any other brand as of 2026-11-03, and the model number isn't another company's. DOE's records tie it to SIESEAN alone.
How much does a SIESEAN air purifier cost to run?
For SIESEAN AP-480, DOE's record lists 245 kWh a year, the annual energy figure from DOE's test. That's about $44.49 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 SIESEAN AP-480 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 3332111100, 283 cfm. Room size 439 sq ft, CADR/W 8.4: about 24% less power for the same clean air.
- Nearest size in its class with a higher CADR/W: Honeywell HPA6000B, 257 cfm. Room size 398 sq ft, CADR/W 7.3: about 12% less power for the same clean air.
- Nearest bigger unit: Dreo DR-HAP003S, 294 cfm. Room size 456 sq ft, CADR/W 6.2.
Questions about SIESEAN
- Is SIESEAN a good air purifier brand?
- Its one air purifier basic model, SIESEAN AP-480, certifies 270 cfm, and its CADR/W of 6.4 is higher than 100 of the 140 in its DOE class (air purifiers, PM2.5 CADR 150+ cfm). 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 SIESEAN air purifiers rated for?
- DOE's effective room size for SIESEAN AP-480 is 419 sq ft, from a certified smoke CADR 270 cfm. CADR and room size.