DREAMECVF66A

Air purifier

DOE certified smoke CADR

211cfmDOE test

Dust 249 · PM2.5 229 cfm

Effective room size 327 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

DREAME CVF66A: certified to DOE with smoke CADR 211 cfm, dust 249, PM2.5 229, effective room size 327 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model CVF66A. A listing with any of these numbers is this unit.

Every model number filed under basic model CVF66A, DOE data as of 2026-11-03
Model numberFiled by
CVF66A (DOE basic model)DREAME

How much does the DREAME CVF66A cost to run?

About $2.56 a month, or $30.69 a year, on DOE's annual energy figure of 169 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 $1.69.

How does the DREAME CVF66A rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. 6 of them have a higher CADR/W than its 7.9, which is 58% above their median of 5.

DOE's annual energy figure for it is 169 kWh, against their median of 266 kWh: $17.62 a year less 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)211

Higher than 49 of 140. 1 other shares 211.

143591 cfm

Efficiency (CADR/W)7.9

Higher than 128 of 140.

313.5

Three to compare with

From models with a matched listing.

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

    DREAME CVF20B224 smoke CADR

    Room size 347 sq ft, CADR/W 8.8: about 10% less power for the same clean air.

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

    Blueair 4512311000161 smoke CADR

    Room size 250 sq ft, CADR/W 8.6: about 8% less power for the same clean air.

  • Nearest bigger unit

    Blueair 6331411000232 smoke CADR

    Room size 360 sq ft, CADR/W 4.9.

DOE record

Air cleaning

Smoke CADR
211 cfm
Dust CADR
249 cfm
PM2.5 CADR
229 cfm
Effective room size
327 sq ft
Efficiency (IEF)
7.9 cfm/W
Energy use
169 kWh/year

Record

DOE basic model
CVF66A
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

Questions

What room size is it for?
DOE lists an effective room size of 327 sq ft, based on its smoke CADR of 211 cfm: CADR and room size.
How much does the DREAME CVF66A cost to run for a year?
About $30.69: DOE's annual figure of 169 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).