BAREN: 4 DOE certified models

BAREN has 4 air purifier basic models certified to DOE as of 2026-11-03, rated smoke CADR 88 to 294 cfm. 4 are the same unit as models filed under other brands. How their efficiency compares with their DOE class is below.

Highest certified smoke CADR among its air purifiers: BAREN C500BR at 294 cfm.

Source: DOE Compliance Certification Database (air purifiers), data as of 2026-11-03.

Air purifiers

4 BAREN air purifiers. DOE data as of 2026-11-03.
#	Model	Labels	Smoke CADR, cfm	Room size	PM2.5 CADR	CADR/W	Brands
1	BARENC500BR	CADR/W 5.4 Sold under 2 brands	294cfm, 456 sq ft	456 sq ft	295	5.4	2
2	BARENHAP611WF	CADR/W 5.3 Sold under 2 brands	221cfm, 343 sq ft	343 sq ft	225	5.3	2
3	BARENPR1 E220	CADR/W 3.9 Sold under 3 brands	121cfm, 188 sq ft	188 sq ft	127	3.9	3
4	BARENK03	CADR/W 3.8 Sold under 5 brands	88cfm, 136 sq ft	136 sq ft	91	3.8	5

How efficient are BAREN air purifiers?

Of the 4 BAREN air purifiers, 1 files a higher CADR/W than the class median and 3 fall below it.

BAREN air purifiers against the median CADR/W of their DOE class. DOE data as of 2026-11-03.
DOE class	BAREN models	Above median	Class median	Best BAREN
Air purifiers, PM2.5 CADR 150+ cfm (140)	2	0	CADR/W 5.5	C500BR CADR/W 5.4
Air purifiers, PM2.5 CADR 10 to 99 cfm (90)	1	1	CADR/W 3.5	K03 CADR/W 3.8
Air purifiers, PM2.5 CADR 100 to 149 cfm (66)	1	0	CADR/W 4.65	PR1 E220 CADR/W 3.9

A higher CADR/W means more clean air per watt.

Who makes BAREN air purifiers?

DOE's database has no manufacturer field, so the evidence is whose model number each unit is filed under and which other brands file the same unit.

One unit is filed under BAREN's own model number and sold by other brands too, so BAREN is the filer of record for it.

BAREN shares 4 units with 6 other brands. Brands it shares with, and how many units each:

BAREN units filed under one DOE basic model with other brands. DOE data as of 2026-11-03.
Basic model	BAREN model	Number belongs to	Brands
K03	K03	No known prefix	5
PR1 E220	PR1 E220	No known prefix	3
C500BR	C500BR	No known prefix	2
HAP611WF	HAP611WF	BAREN	2

How much does a BAREN air purifier cost to run?

DOE's annual energy figures for the 4 BAREN air purifiers that file one run from 139 to 321 kWh a year: about $25.24 to $58.29 a year. The lowest is BAREN K03 (88 cfm, CADR/W 3.8) and the highest BAREN C500BR (294 cfm, CADR/W 5.4).

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.

Questions about BAREN

Is BAREN a good air purifier brand?: How its 4 air purifiers compare on efficiency with their DOE class is above. 4 of them are the same unit as another brand's model. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.
What room size are BAREN air purifiers rated for?: DOE's effective room size for its 4 rated models is 136 to 456 sq ft, from a certified smoke CADR 88 to 294 cfm. CADR and room size.
Which BAREN air purifier is the most efficient for its size?: BAREN K03, at CADR/W 3.8: higher than 48 of the 90 in its DOE class (air purifiers, PM2.5 CADR 10 to 99 cfm). At the other end is BAREN PR1 E220, at CADR/W 3.9, higher than 24 of the 66 in its class.
Is BAREN the same as KOIOS?: For 2 units, yes: both file them under the same DOE basic model (K03 and PR1 E220). The other 2 BAREN basic models aren't filed by KOIOS. Compare the 5 brands of K03. Compare the 3 brands of PR1 E220.