LEVOITLAP-C511S-WUS

Air purifier

DOE certified smoke CADR

301cfmDOE test

Dust 298 · PM2.5 299 cfm

Effective room size 467 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

LEVOIT LAP-C511S-WUS: certified to DOE with smoke CADR 301 cfm, dust 298, PM2.5 299, effective room size 467 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model LAP-C511S-WUS. A listing with any of these numbers is this unit.

Every model number filed under basic model LAP-C511S-WUS, DOE data as of 2026-11-03
Model numberFiled by
LAP-C511S-WUS (DOE basic model)LEVOIT
LAP- C511S-WCALEVOIT
LAP-C511S- xxxxLEVOIT
(“x"can be "A-Z" or "0-9" or blank)LEVOIT

How much does the LEVOIT LAP-C511S-WUS cost to run?

About $2.94 a month, or $35.23 a year, on DOE's annual energy figure of 194 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 $1.94.

How does the LEVOIT LAP-C511S-WUS 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 9 is 3rd of the 63, and 80% above their median of 5.

DOE's annual energy figure for it is 194 kWh, against their median of 266 kWh: $13.08 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)301

Higher than 98 of 140.

143591 cfm

Efficiency (CADR/W)9

Higher than 134 of 140.

313.5

Three to compare with

From models with a matched listing.

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

    Blueair 4412311000321 smoke CADR

    Room size 498 sq ft, CADR/W 10.2: about 12% less power for the same clean air.

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

    Blueair 3613111100435 smoke CADR

    Room size 674 sq ft, CADR/W 9.1.

  • Nearest bigger unit

    Winix C909337 smoke CADR

    Room size 522 sq ft, CADR/W 4.

DOE record

Air cleaning

Smoke CADR
301 cfm
Dust CADR
298 cfm
PM2.5 CADR
299 cfm
Effective room size
467 sq ft
Efficiency (IEF)
9 cfm/W
Energy use
194 kWh/year

Record

DOE basic model
LAP-C511S-WUS
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)
810191330813
ENERGY STAR record
LAP-C511S-WUScertified 2026-08-03

Questions

What room size is it for?
DOE lists an effective room size of 467 sq ft, based on its smoke CADR of 301 cfm: CADR and room size.
How much does the LEVOIT LAP-C511S-WUS cost to run for a year?
About $35.23: DOE's annual figure of 194 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).