HoneywellHPA4300B

Air purifier

DOE certified smoke CADR

229cfmDOE test

Dust 238 · PM2.5 233 cfm

Effective room size 354 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Honeywell HPA4300B: certified to DOE with smoke CADR 229 cfm, dust 238, PM2.5 233, effective room size 354 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model HPA4300B. A listing with any of these numbers is this unit.

Every model number filed under basic model HPA4300B, DOE data as of 2026-11-03
Model numberFiled by
HPA4300B (DOE basic model)Honeywell
HPA4300WHoneywell

How much does the Honeywell HPA4300B cost to run?

About $2.80 a month, or $33.60 a year, on DOE's annual energy figure of 185 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 $1.85.

How does the Honeywell HPA4300B 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 7.4 is 9th of the 63, and 48% above their median of 5.

DOE's annual energy figure for it is 185 kWh, against their median of 266 kWh: $14.71 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)229

Higher than 60 of 140.

143591 cfm

Efficiency (CADR/W)7.4

Higher than 122 of 140. 1 other shares 7.4.

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 16% less power for the same clean air.

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

    Coway AP-1526D255 smoke CADR

    Room size 395 sq ft, CADR/W 7.6.

  • Nearest bigger unit

    Winix 5510253 smoke CADR

    Room size 392 sq ft, CADR/W 4.6.

DOE record

Air cleaning

Smoke CADR
229 cfm
Dust CADR
238 cfm
PM2.5 CADR
233 cfm
Effective room size
354 sq ft
Efficiency (IEF)
7.4 cfm/W
Energy use
185 kWh/year

Record

DOE basic model
HPA4300B
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
UPC (ENERGY STAR record)
00328785014891, 00328785015065, 00328785015232, 00328785015249
ENERGY STAR record
HPA4300Bcertified 2025-12-12

Questions

What room size is it for?
DOE lists an effective room size of 354 sq ft, based on its smoke CADR of 229 cfm: CADR and room size.
How much does the Honeywell HPA4300B cost to run for a year?
About $33.60: DOE's annual figure of 185 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).