One unit, 5 brandsK03
EZDONE K03 = BAREN K03 · Air purifier filed by BAREN and 4 other brands
- BAREN
- EZDONE
- KOIOS
- MOOKA
- YADU
DOE certified smoke CADR, most filings
88cfmDOE test
Dust 94 · PM2.5 91 cfm
Filings differ. Both are shown, with each brand's own figure in its row.
Effective room size 136 sq ft (DOE)
DOE data as of 2026-11-03DOE record
K03 (BAREN, EZDONE, KOIOS, MOOKA and YADU): all filed with DOE under one basic model, K03, certified at 88 cfm on most filings. DOE data as of 2026-11-03.
Sold as
The filings
DOE lists one individual model number, K03, under basic model K03, filed under 5 brand names. The filings don't all match. Smoke CADR: 88 cfm (3 brands) and 44 cfm (EZDONE and YADU). Dust CADR: 94 cfm (3 brands) and 49 cfm (EZDONE and YADU). PM2.5 CADR: 91 cfm (3 brands) and 47 cfm (EZDONE and YADU). The headline figure on this page is the one most filings list, and the table shows each brand's own.
| Brand | Model numbers | Smoke CADR | CADR/W | Room size, sq ft | Listing |
|---|---|---|---|---|---|
| BAREN | K03 | 88 | 3.8 | 136 | None matched |
| EZDONE | K03 | 44 | 3.3 | 68 | None matched |
| KOIOS | K03 | 88 | 3.8 | 136 | None matched |
| MOOKA | K03 | 88 | 3.8 | 136 | None matched |
| YADU | K03 | 44 | 3.3 | 68 | None matched |
How we know it's one unit
Every brand here filed its model numbers under the same DOE basic model, K03. DOE's definition of a basic model (10 CFR 430.2) covers "all units of a given type of covered product (or class thereof) manufactured by one manufacturer" with "the same primary energy source" and nearly identical "electrical, physical, and functional (or hydraulic) characteristics that affect energy consumption, energy efficiency, water consumption, or water efficiency." So one set of DOE figures covers every name on the list. All 5 brands file K03 itself as their model number, so the number alone doesn't say which of them builds it.
Brands may still differ in color, controls, accessories, warranty and support. Full record and every model number: BAREN K03.
How much does the K03 cost to run?
DOE's record lists 139 kWh a year, the annual energy figure from DOE's test. That's about $25.24 a year. The filings differ, so the cost does too: lowest for EZDONE and YADU ($14.71 a year), highest for 3 brands ($25.24 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.
Among 90 air purifiers, PM2.5 CADR 10 to 99 cfm
Smoke CADR (cfm)88
Higher than 86 of 90.
1993 cfm
Efficiency (CADR/W)3.8
Higher than 48 of 90.
1.914
Who makes the K03, and is it the same under every brand?
- Who makes the EZDONE K03?
- DOE's records don't say. The EZDONE K03 is filed under basic model K03 along with 4 other brands. All of them file that same number as their model, and DOE's database has no manufacturer field.
- Is the EZDONE K03 the same as the BAREN K03?
- They're filed under the same basic model, K03, but the filings differ: the EZDONE K03 lists smoke CADR 44 cfm, PM2.5 CADR 47 cfm and a 68 sq ft room size, and the BAREN K03 lists smoke CADR 88 cfm, PM2.5 CADR 91 cfm and a 136 sq ft room size.
- Which brand of K03 is cheapest to run?
- On the filed figures, EZDONE and YADU, at about $14.71 a year. The highest is BAREN, KOIOS and MOOKA at about $25.24 a year.
Related units, shared brands
More: all units sold under several brands · all air purifiers