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Air purifiersENERGY STAR certified

LEVOIT LAP-C311S-WUSR

175 cfm fan and filter air purifier.

Smoke CADR

175 cfm

Room size

271 sq ft

Annual energy use

132 kWh/yr

Filter

HEPA

Of 225 certified fan and filter air purifiers, 28 have a higher efficiency than the LAP-C311S-WUSR (7.7 CADR/W).

Maker
LEVOIT
Model
LAP-C311S-WUSR
Type
Fan and Filter
Room size
271 sq ft
Smoke CADR
175 cfm
PM2.5 CADR
175 cfm
Dust CADR
175 cfm
Efficiency
7.7 CADR/W
Annual energy use
132 kWh/yr
Filter
HEPA
Ozone emissions
0 ppb
On the market since
May 2026
ENERGY STAR certified
9 Jun 2026

Certified under the same record

The maker lists these as the same machine or a variant of it: LAP- C311S-WCAR, LAP- C311S-XXXXX(where "X" may be blank, number from 0 to 9 or letter from A to Z).

Source: ENERGY STAR certified air purifiers dataset, US EPA, record 4639114, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the LAP-C311S-WUSR

Certified air purifiers from other makers, same color class, within 20% of its speed.

ModelTypeSmoke CADRRoom sizeAnnual energy use
Coway AP-1125GFan and Filter185 cfm287 sq ft195 kWh/yr
AIRMEGA AP-1125GFan and Filter185 cfm287 sq ft195 kWh/yr
Coway Airmega AP-1125GFan and Filter185 cfm287 sq ft195 kWh/yr
Dreo DR-HAP009Fan and Filter158 cfm245 sq ft162 kWh/yr
Dreo Home DR-HAP009SFan and Filter158 cfm245 sq ft162 kWh/yr
Atmosphere BLUE 316500K*Fan and Filter192 cfm298 sq ft184 kWh/yr

LEVOIT

More LEVOIT air purifiers

ModelTypeSmoke CADRRoom sizeAnnual energy use
Core 400SFan and Filter231 cfm358 sq ft237 kWh/yr
LAP-B851S-WNAFan and Filter85 cfm132 sq ft90 kWh/yr
LAP-C161-WUSFan and Filter34 cfm53 sq ft42 kWh/yr
LAP-C171-QUSRFan and Filter34 cfm53 sq ft39.3 kWh/yr
LAP-C341S-WUSZFan and Filter161 cfm250 sq ft145 kWh/yr
LAP-C401S-WUSRFan and Filter234 cfm363 sq ft235 kWh/yr
LAP-C601S-WUSFan and Filter391 cfm606 sq ft387 kWh/yr
LAP-C601S-WUSRFan and Filter394 cfm611 sq ft389 kWh/yr

All LEVOIT air purifiers