RowentaPU2840U1

Air purifier

DOE certified smoke CADR

120cfmDOE test

Dust 140 · PM2.5 130 cfm

Effective room size 186 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Rowenta PU2840U1: certified to DOE with smoke CADR 120 cfm, dust 140, PM2.5 130, effective room size 186 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model PU2840U1. A listing with any of these numbers is this unit.

Every model number filed under basic model PU2840U1, DOE data as of 2026-11-03
Model numberFiled by
PU2840U1 (DOE basic model)–
NARowenta

How much does the Rowenta PU2840U1 cost to run?

About $2.45 a month, or $29.42 a year, on DOE's annual energy figure of 162 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 $1.62.

How does the Rowenta PU2840U1 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. 15 of them have a higher CADR/W than its 4.7, which is 3% below their median of 4.85.

DOE's annual energy figure for it is 162 kWh, against their median of 168 kWh: $1.09 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)120

Higher than 18 of 66. 1 other shares 120.

93145 cfm

Efficiency (CADR/W)4.7

Higher than 33 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 41% less power for the same clean air.

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

    FMUKL APH2500P119 smoke CADR

    Room size 184 sq ft, CADR/W 5.2: about 10% less power for the same clean air.

  • Nearest bigger unit

    WOZOYO 200004-2142 smoke CADR

    Room size 220 sq ft, CADR/W 6.1.

DOE record

Air cleaning

Smoke CADR
120 cfm
Dust CADR
140 cfm
PM2.5 CADR
130 cfm
Effective room size
186 sq ft
Efficiency (IEF)
4.7 cfm/W
Energy use
162 kWh/year

Record

DOE basic model
PU2840U1
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 186 sq ft, based on its smoke CADR of 120 cfm: CADR and room size.
How much does the Rowenta PU2840U1 cost to run for a year?
About $29.42: DOE's annual figure of 162 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).