DysonTP4A

Air purifier

DOE certified smoke CADR

72cfmDOE test

Dust 88 · PM2.5 80 cfm

Effective room size 112 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Dyson TP4A: certified to DOE with smoke CADR 72 cfm, dust 88, PM2.5 80, effective room size 112 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model TP4A. A listing with any of these numbers is this unit.

Every model number filed under basic model TP4A, DOE data as of 2026-11-03
Model numberFiled by
TP4A (DOE basic model)Dyson

How much does the Dyson TP4A cost to run?

About $3.69 a month, or $44.31 a year, on DOE's annual energy figure of 244 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 $2.44.

How does the Dyson TP4A 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. 42 of them have a higher CADR/W than its 1.9, which is 43% below their median of 3.35.

DOE's annual energy figure for it is 244 kWh, against their median of 94.5 kWh: $27.15 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)72

Higher than 68 of 90. 3 others share 72.

1993 cfm

Efficiency (CADR/W)1.9

The lowest in the class.

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 82% less power for the same clean air.

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

    Aeitto KJ200F-C172 smoke CADR

    Room size 112 sq ft, CADR/W 4.5: about 58% less power for the same clean air.

  • Nearest bigger unit

    Airgle AG30093 smoke CADR

    Room size 144 sq ft, CADR/W 2.2.

DOE record

Air cleaning

Smoke CADR
72 cfm
Dust CADR
88 cfm
PM2.5 CADR
80 cfm
Effective room size
112 sq ft
Efficiency (IEF)
1.9 cfm/W
Energy use
244 kWh/year

Record

DOE basic model
TP4A
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 112 sq ft, based on its smoke CADR of 72 cfm: CADR and room size.
How much does the Dyson TP4A cost to run for a year?
About $44.31: DOE's annual figure of 244 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).