HoneywellHPA5100B

Air purifier

DOE certified smoke CADR

134cfmDOE test

Dust 141 · PM2.5 137 cfm

Effective room size 207 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Honeywell HPA5100B: certified to DOE with smoke CADR 134 cfm, dust 141, PM2.5 137, effective room size 207 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model HPA5100B. A listing with any of these numbers is this unit.

Every model number filed under basic model HPA5100B, DOE data as of 2026-11-03
Model numberFiled by
HPA5100B (DOE basic model)Honeywell
HPA5100WHoneywell

How much does the Honeywell HPA5100B cost to run?

About $4.60 a month, or $55.21 a year, on DOE's annual energy figure of 304 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 $3.04.

How does the Honeywell HPA5100B 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. Its CADR/W of 2.6 is tied for 27th of the 28, and 46% below their median of 4.85.

DOE's annual energy figure for it is 304 kWh, against their median of 168 kWh: $24.70 a year more at the US average price.

Air purifiers for 200 sq ft (80 with a listing)

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

Smoke CADR (cfm)134

Higher than 43 of 66.

93145 cfm

Efficiency (CADR/W)2.6

Higher than 5 of 66. 2 others share 2.6.

2.49.1

Three to compare with

From models with a matched listing.

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

    AROEVE DH-JH021US-A00138 smoke CADR

    Room size 214 sq ft, CADR/W 8: about 68% less power for the same clean air.

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

    Airhub A280135 smoke CADR

    Room size 209 sq ft, CADR/W 5.2: about 50% less power for the same clean air.

  • Nearest bigger unit

    BOSCH Air 4000156 smoke CADR

    Room size 241 sq ft, CADR/W 7.7.

DOE record

Air cleaning

Smoke CADR
134 cfm
Dust CADR
141 cfm
PM2.5 CADR
137 cfm
Effective room size
207 sq ft
Efficiency (IEF)
2.6 cfm/W
Energy use
304 kWh/year

Record

DOE basic model
HPA5100B
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

Questions

What room size is it for?
DOE lists an effective room size of 207 sq ft, based on its smoke CADR of 134 cfm: CADR and room size.
How much does the Honeywell HPA5100B cost to run for a year?
About $55.21: DOE's annual figure of 304 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).