DysonSP01-A

Air purifier

DOE certified smoke CADR

139cfmDOE test

Dust 149 · PM2.5 144 cfm

Effective room size 215 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Dyson SP01-A: certified to DOE with smoke CADR 139 cfm, dust 149, PM2.5 144, effective room size 215 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model SP01-A. A listing with any of these numbers is this unit.

Every model number filed under basic model SP01-A, DOE data as of 2026-11-03
Model numberFiled by
SP01-A (DOE basic model)Dyson
SP01-BDyson

How much does the Dyson SP01-A cost to run?

About $1.73 a month, or $20.70 a year, on DOE's annual energy figure of 114 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 $1.14.

How does the Dyson SP01-A 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 7.4 is 3rd of the 28, and 53% above their median of 4.85.

DOE's annual energy figure for it is 114 kWh, against their median of 168 kWh: $9.81 a year less 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)139

Higher than 57 of 66.

93145 cfm

Efficiency (CADR/W)7.4

Higher than 61 of 66.

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 7% less power for the same clean air.

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

    Room size 212 sq ft, CADR/W 7.5.

  • Nearest bigger unit

    Blueair 4512311000161 smoke CADR

    Room size 250 sq ft, CADR/W 8.6.

DOE record

Air cleaning

Smoke CADR
139 cfm
Dust CADR
149 cfm
PM2.5 CADR
144 cfm
Effective room size
215 sq ft
Efficiency (IEF)
7.4 cfm/W
Energy use
114 kWh/year

Record

DOE basic model
SP01-A
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 215 sq ft, based on its smoke CADR of 139 cfm: CADR and room size.
How much does the Dyson SP01-A cost to run for a year?
About $20.70: DOE's annual figure of 114 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).