AerusF185B

Air purifier

DOE certified smoke CADR

127cfmDOE test

Dust 131 · PM2.5 129 cfm

Effective room size 197 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Aerus F185B: certified to DOE with smoke CADR 127 cfm, dust 131, PM2.5 129, effective room size 197 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model F185B. A listing with any of these numbers is this unit.

Every model number filed under basic model F185B, DOE data as of 2026-11-03
Model numberFiled by
F185B (DOE basic model)Aerus

How much does the Aerus F185B cost to run?

About $1.65 a month, or $19.79 a year, on DOE's annual energy figure of 109 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 $1.09.

How does the Aerus F185B rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 100 to 149 cfm), 28 models have a matched Amazon listing. 3 of them have a higher CADR/W than its 6.9, which is 42% above their median of 4.85.

DOE's annual energy figure for it is 109 kWh, against their median of 168 kWh: $10.71 a year less at the US average price.

Air purifiers (133 with a listing)

Among 66 air purifiers, PM2.5 CADR 100 to 149 cfm

Smoke CADR (cfm)127

Higher than 30 of 66.

93145 cfm

Efficiency (CADR/W)6.9

Higher than 59 of 66. 1 other shares 6.9.

2.49.1

Three to compare with

From models with a matched listing.

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

    AROEVE DH-JH021US-A00138 smoke CADR

    Room size 214 sq ft, CADR/W 8: about 14% less power for the same clean air.

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

    AEOCKY LunaPure-EJH100137 smoke CADR

    Room size 212 sq ft, CADR/W 7.5: about 8% less power for the same clean air.

  • Nearest bigger unit

    LONGSTAR EP-KJTS01-140-25W148 smoke CADR

    Room size 229 sq ft, CADR/W 6.2.

DOE record

Air cleaning

Smoke CADR
127 cfm
Dust CADR
131 cfm
PM2.5 CADR
129 cfm
Effective room size
197 sq ft
Efficiency (IEF)
6.9 cfm/W
Energy use
109 kWh/year

Record

DOE basic model
F185B
DOE class
100 <= PM2.5 Clean Air Delivery Rate < 150
Brands on the filings
1
In DOE's list since
2026-11-02first snapshot we hold
ENERGY STAR record
F185Bcertified 2026-07-28

Questions

What room size is it for?
DOE lists an effective room size of 197 sq ft, based on its smoke CADR of 127 cfm: CADR and room size.
How much does the Aerus F185B cost to run for a year?
About $19.79: DOE's annual figure of 109 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).