Air Purifier CADR Check

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Blueair 3631101000: CADR, room size and running cost

Smoke CADR 356 cfm · Room size 552 sq ft (ENERGY STAR) · 210 kWh/yr ≈ $38.45/yr electricity (estimate)

Data gap: ENERGY STAR lists this model by its model number only. We do not map it to a marketing name unless ENERGY STAR itself does, so check the model number on the box or the manufacturer's page.

Certified specs

Smoke CADR356 cfm
Dust CADR347 cfm
Pollen CADR429 cfm
PM2.5 CADR351 cfm
ENERGY STAR effective room size552 sq ft (1.55 × smoke CADR, per 10 CFR 429.68)
Annual energy use210 kWh/yr
Integrated energy factor8.8 cfm/W
Smoke CADR per watt9.94 cfm/W
Ozone emissions (reported)1 ppb
TechnologyFan and Filter
Filter types listedHEPA
Automatic modeNone
Connected (app/Wi-Fi)No
ENERGY STAR Most EfficientYes
MarketsUnited States, Canada
Date certified2020-12-22
ENERGY STAR partnerBlueair Inc.
SourceENERGY STAR record 4510388 · Product Finder page

How many air changes per hour would it give?

Estimate: air changes per hour (ACH) = smoke CADR × 60 ÷ room volume, at the top fan speed used for the CADR test. Real-world ACH is usually lower (lower fan speeds, furniture, filter loading).

RoomACH, 8 ft ceilingACH, 9 ft ceilingAHAM sizing
100 sq ft26.723.7Meets AHAM 2/3 rule
150 sq ft17.815.8Meets AHAM 2/3 rule
200 sq ft13.311.9Meets AHAM 2/3 rule
300 sq ft8.97.9Meets AHAM 2/3 rule
400 sq ft6.75.9Meets AHAM 2/3 rule
500 sq ft5.34.7Meets AHAM 2/3 rule
700 sq ft3.83.4Below AHAM 2/3 rule

AHAM's 2/3 rule: choose a smoke CADR of at least 2/3 of the room's area (8 ft ceiling). By that rule this model suits rooms up to about 534 sq ft.

Estimated yearly electricity cost

WhereResidential ratePer yearPer month
Louisiana12.72¢$26.71$2.23
U.S. average18.31¢$38.45$3.20
California33.61¢$70.58$5.88
Hawaii48.00¢$100.80$8.40

Estimate = 210 kWh/yr × rate. Rates: EIA Table 5.6.A, July 2026 (preliminary). Filter replacement cost is not included (data gap: not in ENERGY STAR data). Use your own rate and hours.

Similar CADR from other brands

ModelSmoke CADR (cfm)ENERGY STAR room size (sq ft)Energy use (kWh/yr)Est. electricity/yr*
Rainbow Luggable XL Ultra33351681$14.83
Rainbow Brisk Box Ultra37057494$17.21
Bosch Air 6000339525289$52.92
IQAir ATEM E369572295$54.01
Alen BreatheSmart 75i_V2370574304$55.66
Coway Airmega 300315488314$57.49
Cuckoo CAC-D2020FW382592316$57.86
Midea KJ600G-RX600A366567341$62.44

*Estimate: ENERGY STAR annual kWh × U.S. average residential rate 18.31¢/kWh (EIA, July 2026 (preliminary)). ENERGY STAR's annual figure assumes 16 hours/day of operation under the DOE test procedure.

Compare this model side by side with any other · All Blueair models

See Blueair air purifiers on the manufacturer's site (plain link, not an affiliate link)

We have not tested this product. Figures are as listed in ENERGY STAR data retrieved 2026-10-17.