DreoDR-HAP003S

Air purifier

DOE certified smoke CADR

294cfmDOE test

Dust 306 · PM2.5 300 cfm

Effective room size 456 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Dreo DR-HAP003S: certified to DOE with smoke CADR 294 cfm, dust 306, PM2.5 300, effective room size 456 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model DR-HAP003S. A listing with any of these numbers is this unit.

Every model number filed under basic model DR-HAP003S, DOE data as of 2026-11-03
Model numberFiled by
DR-HAP003S (DOE basic model)Dreo
DR-HAP003ASDreo
DWAP03ASDreo
DWAP03SDreo

How much does the Dreo DR-HAP003S cost to run?

About $4.27 a month, or $51.21 a year, on DOE's annual energy figure of 282 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 $2.82.

How does the Dreo DR-HAP003S rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. Its CADR/W of 6.2 is tied for 18th of the 63, and 24% above their median of 5.

DOE's annual energy figure for it is 282 kWh, against their median of 266 kWh: $2.91 a year more at the US average price.

Air purifiers for 300 sq ft (44 with a listing)

Among 140 air purifiers, PM2.5 CADR 150+ cfm

Smoke CADR (cfm)294

Higher than 94 of 140. 1 other shares 294.

143591 cfm

Efficiency (CADR/W)6.2

Higher than 93 of 140. 3 others share 6.2.

313.5

Three to compare with

From models with a matched listing.

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

    LEVOIT LAP-C511S-WUS301 smoke CADR

    Room size 467 sq ft, CADR/W 9: about 31% less power for the same clean air.

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

    Blueair 3332111100283 smoke CADR

    Room size 439 sq ft, CADR/W 8.4: about 26% less power for the same clean air.

  • Nearest bigger unit

    Blueair 4412311000321 smoke CADR

    Room size 498 sq ft, CADR/W 10.2.

DOE record

Air cleaning

Smoke CADR
294 cfm
Dust CADR
306 cfm
PM2.5 CADR
300 cfm
Effective room size
456 sq ft
Efficiency (IEF)
6.2 cfm/W
Energy use
282 kWh/year

Record

DOE basic model
DR-HAP003S
DOE class
150 <= PM2.5 Clean Air Delivery Rate
Brands on the filings
1
In DOE's list since
2026-11-02first snapshot we hold
UPC (ENERGY STAR record)
810142855518, 810142855525, 810181283129
ENERGY STAR record
DR-HAP003S, DR-HAP003Scertified 2026-03-26

Questions

What room size is it for?
DOE lists an effective room size of 456 sq ft, based on its smoke CADR of 294 cfm: CADR and room size.
How much does the Dreo DR-HAP003S cost to run for a year?
About $51.21: DOE's annual figure of 282 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).