HoneywellHFD320

Air purifier

DOE certified smoke CADR

201cfmDOE test

Dust 190 · PM2.5 196 cfm

Effective room size 311 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Honeywell HFD320: certified to DOE with smoke CADR 201 cfm, dust 190, PM2.5 196, effective room size 311 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model HFD320. A listing with any of these numbers is this unit.

Every model number filed under basic model HFD320, DOE data as of 2026-11-03
Model numberFiled by
HFD320 (DOE basic model)Honeywell

How much does the Honeywell HFD320 cost to run?

About $3.56 a month, or $42.68 a year, on DOE's annual energy figure of 235 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 $2.35.

How does the Honeywell HFD320 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 5 is tied for 31st of the 63, and level with their median of 5.

DOE's annual energy figure for it is 235 kWh, against their median of 266 kWh: $5.63 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)201

Higher than 46 of 140.

143591 cfm

Efficiency (CADR/W)5

Higher than 59 of 140. 2 others share 5.

313.5

Three to compare with

From models with a matched listing.

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

    DREAME CVF16A186 smoke CADR

    Room size 288 sq ft, CADR/W 5.3: about 6% less power for the same clean air.

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

    Priestley P360195 smoke CADR

    Room size 302 sq ft, CADR/W 5.1.

  • Nearest bigger unit

    Pureborne PB6866222 smoke CADR

    Room size 344 sq ft, CADR/W 6.

DOE record

Air cleaning

Smoke CADR
201 cfm
Dust CADR
190 cfm
PM2.5 CADR
196 cfm
Effective room size
311 sq ft
Efficiency (IEF)
5 cfm/W
Energy use
235 kWh/year

Record

DOE basic model
HFD320
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 311 sq ft, based on its smoke CADR of 201 cfm: CADR and room size.
How much does the Honeywell HFD320 cost to run for a year?
About $42.68: DOE's annual figure of 235 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).