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Alen air purifiers, ranked

3 models tracked, average score 52 of 100. Best of the lineup: Alen BreatheSmart 75i.

#8 of 18 in large · independently tested

$599

3.3

347 cfmsmoke CADR

538 sq ftAHAM room size

49 dBat full speed

60 Wmax power

Value Quietness Filter cost

Quiet at full speed and well built; price per CADR is high.

One air change of a 300 sq ft room in about 7 min$99 a year in filters$1,094 to own for 5 yearsAHAM Verifide CADR

#13 of 22 in medium · independently tested

$299

3.0

240 cfmsmoke CADR

372 sq ftAHAM room size

50 dBat full speed

50 Wmax power

Value Quietness Filter cost

45i without the sensor or app.

One air change of a 300 sq ft room in about 10 min$69 a year in filters$644 to own for 5 yearsAHAM Verifide CADR

#16 of 22 in medium · independently tested

$349

2.9

245 cfmsmoke CADR

380 sq ftAHAM room size

49 dBat full speed

50 Wmax power

Value Quietness Filter cost

Medium Alen with the same quiet motor; lifetime warranty with filter subscription.

One air change of a 300 sq ft room in about 10 min$79 a year in filters$744 to own for 5 yearsAHAM Verifide CADR

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