PurebornePB6866

Air purifier

DOE certified smoke CADR

222cfmDOE test

Dust 235 · PM2.5 228 cfm

Effective room size 344 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Pureborne PB6866: certified to DOE with smoke CADR 222 cfm, dust 235, PM2.5 228, effective room size 344 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model PB6866. A listing with any of these numbers is this unit.

Every model number filed under basic model PB6866, DOE data as of 2026-11-03
Model numberFiled by
PB6866 (DOE basic model)Pureborne

How much does the Pureborne PB6866 cost to run?

About $3.34 a month, or $40.13 a year, on DOE's annual energy figure of 221 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 $2.21.

How does the Pureborne PB6866 rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. Its CADR/W of 6 is tied for 22nd of the 63, and 20% above their median of 5.

DOE's annual energy figure for it is 221 kWh, against their median of 266 kWh: $8.17 a year less at the US average price.

Air purifiers for 300 sq ft (44 with a listing)

Among 140 air purifiers, PM2.5 CADR 150+ cfm

Smoke CADR (cfm)222

Higher than 56 of 140. 1 other shares 222.

143591 cfm

Efficiency (CADR/W)6

Higher than 84 of 140. 3 others share 6.

313.5

Three to compare with

From models with a matched listing.

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

    DREAME CVF20B224 smoke CADR

    Room size 347 sq ft, CADR/W 8.8: about 32% less power for the same clean air.

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

    Honeywell HPA4300B229 smoke CADR

    Room size 354 sq ft, CADR/W 7.4: about 19% less power for the same clean air.

  • Nearest bigger unit

    LUFTRUM C3500243 smoke CADR

    Room size 377 sq ft, CADR/W 5.

DOE record

Air cleaning

Smoke CADR
222 cfm
Dust CADR
235 cfm
PM2.5 CADR
228 cfm
Effective room size
344 sq ft
Efficiency (IEF)
6 cfm/W
Energy use
221 kWh/year

Record

DOE basic model
PB6866
DOE class
150 <= PM2.5 Clean Air Delivery Rate
Brands on the filings
1
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 344 sq ft, based on its smoke CADR of 222 cfm: CADR and room size.
How much does the Pureborne PB6866 cost to run for a year?
About $40.13: DOE's annual figure of 221 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).