HoneywellHPA4100B

Air purifier

DOE certified smoke CADR

109cfmDOE test

Dust 117 · PM2.5 113 cfm

Effective room size 169 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Honeywell HPA4100B: certified to DOE with smoke CADR 109 cfm, dust 117, PM2.5 113, effective room size 169 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model HPA4100B. A listing with any of these numbers is this unit.

Every model number filed under basic model HPA4100B, DOE data as of 2026-11-03
Model numberFiled by
HPA4100B (DOE basic model)Honeywell
HPA4100WHoneywell

How much does the Honeywell HPA4100B cost to run?

About $1.44 a month, or $17.25 a year, on DOE's annual energy figure of 95 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 95¢.

How does the Honeywell HPA4100B rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 100 to 149 cfm), 28 models have a matched Amazon listing. 3 of them have a higher CADR/W than its 6.9, which is 42% above their median of 4.85.

DOE's annual energy figure for it is 95 kWh, against their median of 168 kWh: $13.26 a year less at the US average price.

Air purifiers (133 with a listing)

Among 66 air purifiers, PM2.5 CADR 100 to 149 cfm

Smoke CADR (cfm)109

Higher than 9 of 66.

93145 cfm

Efficiency (CADR/W)6.9

Higher than 59 of 66. 1 other shares 6.9.

2.49.1

Three to compare with

From models with a matched listing.

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

    Simply Conserve AM-AP1130-WH105 smoke CADR

    Room size 163 sq ft, CADR/W 6.2.

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

    AEOCKY LunaPure-EJH100137 smoke CADR

    Room size 212 sq ft, CADR/W 7.5: about 8% less power for the same clean air.

  • Nearest bigger unit

    Windmill SAP2V1130 smoke CADR

    Room size 202 sq ft, CADR/W 6.4.

DOE record

Air cleaning

Smoke CADR
109 cfm
Dust CADR
117 cfm
PM2.5 CADR
113 cfm
Effective room size
169 sq ft
Efficiency (IEF)
6.9 cfm/W
Energy use
95 kWh/year

Record

DOE basic model
HPA4100B
DOE class
100 <= PM2.5 Clean Air Delivery Rate < 150
Brands on the filings
1
In DOE's list since
2026-11-02first snapshot we hold
UPC (ENERGY STAR record)
00328785015041, 00328785015072, 00328785015119, 00328785015218
ENERGY STAR record
HPA4100Bcertified 2025-12-12

Questions

What room size is it for?
DOE lists an effective room size of 169 sq ft, based on its smoke CADR of 109 cfm: CADR and room size.
How much does the Honeywell HPA4100B cost to run for a year?
About $17.25: DOE's annual figure of 95 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).