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Air purifiersENERGY STAR certified

LEVOIT LAP-B851S-WNA

85 cfm fan and filter air purifier.

Smoke CADR

85 cfm

Room size

132 sq ft

Annual energy use

90 kWh/yr

Filter

HEPA

Of 225 certified fan and filter air purifiers, 177 have a higher efficiency than the LAP-B851S-WNA (5.6 CADR/W).

Maker
LEVOIT
Model
LAP-B851S-WNA
Type
Fan and Filter
Room size
132 sq ft
Smoke CADR
85 cfm
PM2.5 CADR
87 cfm
Dust CADR
90 cfm
Efficiency
5.6 CADR/W
Annual energy use
90 kWh/yr
Filter
HEPA
Ozone emissions
0 ppb
On the market since
Oct 2024
ENERGY STAR certified
24 Jul 2025

Certified under the same record

The maker lists these as the same machine or a variant of it: LAP-B851S-****, * can represent different character or can be blank..

Source: ENERGY STAR certified air purifiers dataset, US EPA, record 4481120, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the LAP-B851S-WNA

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

ModelTypeSmoke CADRRoom sizeAnnual energy use
Bosch Air 2000Fan and Filter86 cfm133 sq ft104 kWh/yr
Blueair 4612522000Fan and Filter82 cfm127 sq ft30 kWh/yr
Blueair 1831022000Fan and Filter90 cfm140 sq ft75 kWh/yr
Dreo DR-HTF022SFan and Filter90 cfm140 sq ft102 kWh/yr
Dreo Home DR-HTF022SFan and Filter90 cfm140 sq ft102 kWh/yr
CLOROX Type AP40Fan and Filter79 cfm122 sq ft88 kWh/yr

LEVOIT

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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
LAP-C311S-WUSRFan and Filter175 cfm271 sq ft132 kWh/yr

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