Appliance Energy Cost Index Model-level energy use and running cost, from ENERGY STAR certified product data

CVF20B Air Purifiers · DREAME

CVF20B (DREAME, ENERGY STAR Most Efficient) uses 149 kWh per year, an estimated $25.33/yr to run, ranking 45th cheapest of 80 sampled air purifiers, 2% above the $24.82/yr median of the 80 sampled models.

Certification: ENERGY STAR Most Efficient

Est. annual energy cost
$25.33/yr
Cheaper than all but 55% of sampled models in this category
Annual energy use: 149 kWh
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Where this model sits (computed from source data)

Figures above are computed at build time from the sampled source records - no external estimates are used.
Cost rank in category45th of 80
Cost percentilebottom 55%
Vs category median2% above ($24.82/yr)
Rank within same status21st of 23 (Median $15.13/yr)
Category low to high$5.10/yr ~ $67.35/yr

Certified specifications (as reported)

Specifications exactly as reported in the certified dataset.
SpecValue
energy star partnerDreame Trading (Tianjin) Co. Ltd.
additional model informationCVF54A
room size sq ft347
dust free clean air delivery223.0
smoke free clean air delivery224.0
pollen free clean air delivery245.0
dust free clean air delivery rate cfm w8.99
smoke free clean air delivery rate cfm w9
pollen free clean air delivery rate cfm w9.88
pm25 cadr223.0
integrated energy factor cfm w8.8
annual energy use kwh yr149.00
technology typesFan and Filter
ozone emissions ppb0.00
filter 1 typeHEPA-Type
connected capableYes

Similar models in this category

Closest capacity first (at most two rows per identical cost).
ModelCertificationEst. energy cost
DR-HAP010S ENERGY STAR Certified$25.16/yr
DR-HAP010S ENERGY STAR Certified$25.16/yr
DR-HAP005AS ENERGY STAR Certified$24.82/yr
DR-HAP005AS ENERGY STAR Certified$24.82/yr
DR-HAP007AS ENERGY STAR Certified$25.84/yr

Frequently asked questions

How much does it cost to run the DREAME CVF20B per year?

The DREAME CVF20B is certified at 149 kWh per year, which works out to about $25.33/yr at the flat rate assumed on this site. Certified figures come from standardized test procedures, so your actual bill varies with usage and your local electricity rate.

Is the DREAME CVF20B efficient compared with other air purifiers?

Among the 80 air purifiers compared on this site, the DREAME CVF20B ranks 45th cheapest to run and sits in the bottom 55% of the cost range. That is 2% above the category median of $24.82/yr. The cheapest sampled model runs at $5.10/yr and the most expensive at $67.35/yr.

What ENERGY STAR status does the DREAME CVF20B hold?

The DREAME CVF20B is listed as ENERGY STAR Most Efficient. Among the 23 sampled air purifiers with that status the median running cost is $15.13/yr, and the DREAME CVF20B ranks 21st cheapest within that group. Certification status reflects efficiency relative to product class, not absolute energy use.

Quick electricity cost calculator

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Simple estimate, 30 days per month (assuming $0.17/kWh)