HoneywellHPA3300b

Air purifier · DOE basic model HPA3300B

DOE certified smoke CADR

342cfmDOE test

Dust 339 · PM2.5 340 cfm

Effective room size 530 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Honeywell HPA3300b: certified to DOE with smoke CADR 342 cfm, dust 339, PM2.5 340, effective room size 530 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model HPA3300B. A listing with any of these numbers is this unit.

Every model number filed under basic model HPA3300B, DOE data as of 2026-11-03
Model numberFiled by
HPA3300B (DOE basic model)–
HPA3300bHoneywell

How much does the Honeywell HPA3300b cost to run?

About $9.64 a month, or $115.68 a year, on DOE's annual energy figure of 637 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 $6.37.

How does the Honeywell HPA3300b rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. 61 of them have a higher CADR/W than its 3.1, which is 38% below their median of 5.

DOE's annual energy figure for it is 637 kWh, against their median of 266 kWh: $67.37 a year more at the US average price.

Air purifiers for 500 sq ft (10 with a listing)

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

Smoke CADR (cfm)342

Higher than 115 of 140. 1 other shares 342.

143591 cfm

Efficiency (CADR/W)3.1

Higher than 2 of 140. 2 others share 3.1.

313.5

Three to compare with

From models with a matched listing.

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

    BOSCH Air 6000339 smoke CADR

    Room size 525 sq ft, CADR/W 6.9: about 55% less power for the same clean air.

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

    Winix C909337 smoke CADR

    Room size 522 sq ft, CADR/W 4: about 22% less power for the same clean air.

  • Nearest bigger unit

    WOZOYO Pure Air PA6363 smoke CADR

    Room size 563 sq ft, CADR/W 5.8.

DOE record

Air cleaning

Smoke CADR
342 cfm
Dust CADR
339 cfm
PM2.5 CADR
340 cfm
Effective room size
530 sq ft
Efficiency (IEF)
3.1 cfm/W
Energy use
637 kWh/year

Record

DOE basic model
HPA3300B
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 530 sq ft, based on its smoke CADR of 342 cfm: CADR and room size.
How much does the Honeywell HPA3300b cost to run for a year?
About $115.68: DOE's annual figure of 637 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).