DREAMECVF50A

Air purifier

DOE certified smoke CADR

161cfmDOE test

Dust 167 · PM2.5 164 cfm

Effective room size 250 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

DREAME CVF50A: certified to DOE with smoke CADR 161 cfm, dust 167, PM2.5 164, effective room size 250 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model CVF50A. A listing with any of these numbers is this unit.

Every model number filed under basic model CVF50A, DOE data as of 2026-11-03
Model numberFiled by
CVF50A (DOE basic model)DREAME

How much does the DREAME CVF50A cost to run?

About $3.24 a month, or $38.86 a year, on DOE's annual energy figure of 214 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 $2.14.

How does the DREAME CVF50A 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 4.5 is tied for 37th of the 63, and 10% below their median of 5.

DOE's annual energy figure for it is 214 kWh, against their median of 266 kWh: $9.44 a year less at the US average price.

Air purifiers for 200 sq ft (80 with a listing)

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

Smoke CADR (cfm)161

Higher than 19 of 140. 4 others share 161.

143591 cfm

Efficiency (CADR/W)4.5

Higher than 38 of 140. 5 others share 4.5.

313.5

Three to compare with

From models with a matched listing.

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

    Blueair 4512311000161 smoke CADR

    Room size 250 sq ft, CADR/W 8.6: about 48% less power for the same clean air.

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

    LEVOIT LAP-C341S-WUSZ161 smoke CADR

    Room size 250 sq ft, CADR/W 6.5: about 31% less power for the same clean air.

  • Nearest bigger unit

    DREAME CVF16A186 smoke CADR

    Room size 288 sq ft, CADR/W 5.3.

DOE record

Air cleaning

Smoke CADR
161 cfm
Dust CADR
167 cfm
PM2.5 CADR
164 cfm
Effective room size
250 sq ft
Efficiency (IEF)
4.5 cfm/W
Energy use
214 kWh/year

Record

DOE basic model
CVF50A
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 250 sq ft, based on its smoke CADR of 161 cfm: CADR and room size.
How much does the DREAME CVF50A cost to run for a year?
About $38.86: DOE's annual figure of 214 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).