DysonHP11

Air purifier

DOE certified smoke CADR

54cfmDOE test

Dust 60 · PM2.5 57 cfm

Effective room size 84 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Dyson HP11: certified to DOE with smoke CADR 54 cfm, dust 60, PM2.5 57, effective room size 84 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model HP11. A listing with any of these numbers is this unit.

Every model number filed under basic model HP11, DOE data as of 2026-11-03
Model numberFiled by
HP11 (DOE basic model)Dyson

How much does the Dyson HP11 cost to run?

About $2.09 a month, or $25.06 a year, on DOE's annual energy figure of 138 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 $1.38.

How does the Dyson HP11 rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 10 to 99 cfm), 42 models have a matched Amazon listing. Its CADR/W of 2.4 is tied for 33rd of the 42, and 28% below their median of 3.35.

DOE's annual energy figure for it is 138 kWh, against their median of 94.5 kWh: $7.90 a year more at the US average price.

Air purifiers (133 with a listing)

Among 90 air purifiers, PM2.5 CADR 10 to 99 cfm

Smoke CADR (cfm)54

Higher than 45 of 90. 4 others share 54.

1993 cfm

Efficiency (CADR/W)2.4

Higher than 19 of 90. 3 others share 2.4.

1.914

Three to compare with

From models with a matched listing.

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

    DREAME CVA10B54 smoke CADR

    Room size 84 sq ft, CADR/W 10.3: about 77% less power for the same clean air.

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

    BLACK+DECKER BAPT0254 smoke CADR

    Room size 84 sq ft, CADR/W 5.4: about 56% less power for the same clean air.

  • Nearest bigger unit

    April Aura Hub Lite 15775 smoke CADR

    Room size 116 sq ft, CADR/W 5.

DOE record

Air cleaning

Smoke CADR
54 cfm
Dust CADR
60 cfm
PM2.5 CADR
57 cfm
Effective room size
84 sq ft
Efficiency (IEF)
2.4 cfm/W
Energy use
138 kWh/year

Record

DOE basic model
HP11
DOE class
10 <= PM2.5 Clean Air Delivery Rate < 100
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 84 sq ft, based on its smoke CADR of 54 cfm: CADR and room size.
How much does the Dyson HP11 cost to run for a year?
About $25.06: DOE's annual figure of 138 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).