ECOSELFKJ10

Air purifier · sold under 3 brands

DOE certified smoke CADR

46cfmDOE test

Dust 39 · PM2.5 42 cfm

Effective room size 70 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

ECOSELF KJ10: certified to DOE with smoke CADR 46 cfm, dust 39, PM2.5 42, effective room size 70 sq ft. The same unit is also filed as FreAire KJ10 and HASHONE KJ10. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model KJ10. A listing with any of these numbers is this unit.

Every model number filed under basic model KJ10, DOE data as of 2026-11-03
Model numberFiled by
KJ10 (DOE basic model)ECOSELF, FreAire, HASHONE

Same unit, 3 brands

Every brand files KJ10.

46 cfm under every name. Choose on price, warranty and what's in stock.

All 3 filed under DOE basic model KJ10. Listing status as of 2026-11-03.

Compare the 3 brands on one page

How much does the ECOSELF KJ10 cost to run?

About $1.89 a month, or $22.70 a year, on DOE's annual energy figure of 125 kWh.

Electricity at 18.16¢/kWh, the US residential average for August 2026 (EIA Electric Power Monthly, table 5.6.A). Each 1¢/kWh you pay above or below 18.16¢ moves the yearly figure by $1.25.

How does the ECOSELF KJ10 rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 10 to 99 cfm), 42 models have a matched Amazon listing. 40 of them have a higher CADR/W than its 2, which is 40% below their median of 3.35.

DOE's annual energy figure for it is 125 kWh, against their median of 94.5 kWh: $5.54 a year more at the US average price.

Air purifiers (133 with a listing)

Among 90 air purifiers, PM2.5 CADR 10 to 99 cfm

Smoke CADR (cfm)46

Higher than 34 of 90. 4 others share 46.

1993 cfm

Efficiency (CADR/W)2

Higher than 1 of 90. 8 others share 2.

1.914

Three to compare with

From models with a matched listing.

  • Within 20 cfm of its size, highest CADR/W

    DREAME CVA10B54 smoke CADR

    Room size 84 sq ft, CADR/W 10.3: about 81% less power for the same clean air.

  • Nearest size in its class with a higher CADR/W

    Bionaire BAP926046 smoke CADR

    Room size 71 sq ft, CADR/W 4.5: about 56% less power for the same clean air.

  • Nearest bigger unit

    Coway AP-0425C(LG)67 smoke CADR

    Room size 104 sq ft, CADR/W 6.1.

DOE record

Air cleaning

Smoke CADR
46 cfm
Dust CADR
39 cfm
PM2.5 CADR
42 cfm
Effective room size
70 sq ft
Efficiency (IEF)
2 cfm/W
Energy use
125 kWh/year

Record

DOE basic model
KJ10
DOE class
10 <= PM2.5 Clean Air Delivery Rate < 100
Brands on the filings
3
In DOE's list since
2026-11-02first snapshot we hold

Questions

What room size is it for?
DOE lists an effective room size of 70 sq ft, based on its smoke CADR of 46 cfm: CADR and room size.
How much does the ECOSELF KJ10 cost to run for a year?
About $22.70: DOE's annual figure of 125 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).
Who makes the ECOSELF KJ10?
DOE's database has no manufacturer field, so the record doesn't say. It does show 3 brands filing one basic model, KJ10: ECOSELF, FreAire and HASHONE.
Is the ECOSELF KJ10 the same as the FreAire KJ10?
Yes, by DOE's records. FreAire files the same basic model, KJ10, with the same 46 cfm. 1 other brand files it too.