EZDONEEAH-B1-4

Air purifier · sold under 2 brands

DOE certified smoke CADR

44cfmDOE test

Dust 49 · PM2.5 47 cfm

Effective room size 68 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

EZDONE EAH-B1-4: certified to DOE with smoke CADR 44 cfm, dust 49, PM2.5 47, effective room size 68 sq ft. The same unit is also filed as YADU EAH-B1-4. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model EAH-B1-4. A listing with any of these numbers is this unit.

Every model number filed under basic model EAH-B1-4, DOE data as of 2026-11-03
Model numberFiled by
EAH-B1-4 (DOE basic model)EZDONE, YADU

Same unit, 2 brands

Every brand files EAH-B1-4.

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

Both filed under DOE basic model EAH-B1-4. Listing status as of 2026-11-03.

Compare the 2 brands on one page

How much does the EZDONE EAH-B1-4 cost to run?

About $1.23 a month, or $14.71 a year, on DOE's annual energy figure of 81 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 81¢.

How does the EZDONE EAH-B1-4 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. 21 of them have a higher CADR/W than its 3.3, which is 1% below their median of 3.35.

DOE's annual energy figure for it is 81 kWh, against their median of 94.5 kWh: $2.45 a year less 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)44

Higher than 27 of 90. 5 others share 44.

1993 cfm

Efficiency (CADR/W)3.3

Higher than 34 of 90. 8 others share 3.3.

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 68% less power for the same clean air.

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

    AIRROMI A200542 smoke CADR

    Room size 65 sq ft, CADR/W 5.1: about 35% less power for the same clean air.

  • Nearest bigger unit

    Dyson TP7A65 smoke CADR

    Room size 101 sq ft, CADR/W 2.4.

DOE record

Air cleaning

Smoke CADR
44 cfm
Dust CADR
49 cfm
PM2.5 CADR
47 cfm
Effective room size
68 sq ft
Efficiency (IEF)
3.3 cfm/W
Energy use
81 kWh/year

Record

DOE basic model
EAH-B1-4
DOE class
10 <= PM2.5 Clean Air Delivery Rate < 100
Brands on the filings
2
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 68 sq ft, based on its smoke CADR of 44 cfm: CADR and room size.
How much does the EZDONE EAH-B1-4 cost to run for a year?
About $14.71: DOE's annual figure of 81 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).
Who makes the EZDONE EAH-B1-4?
DOE's database has no manufacturer field, so the record doesn't say. It does show 2 brands filing one basic model, EAH-B1-4: EZDONE and YADU.
Is the EZDONE EAH-B1-4 the same as the YADU EAH-B1-4?
Yes, by DOE's records. YADU files the same basic model, EAH-B1-4, with the same 44 cfm.