As an Amazon Associate I earn from qualifying purchases. Affiliate status never changes rank. Zero paid placements.

Best Air Purifiers Ranked
← All rankings
#07CADR tier 3Eff 0.645

Medify MA-40 (v4.0)

Model MA-40-V4.0

Smoke CADR 245 CFM · 380 sq ft · AHAM Verifide + ENERGY STAR V3.0

Sources checked 2026-10-27

Measured & cited specs

Smoke CADR
245 CFM
Source

AHAM record 9af40ded: 245/257/263, 380 sq ft. ENERGY STAR pd_id 4497354 identical.

Dust CADR
257 CFM
Source

AHAM record 9af40ded: 245/257/263, 380 sq ft. ENERGY STAR pd_id 4497354 identical.

Pollen CADR
263 CFM
Source

AHAM record 9af40ded: 245/257/263, 380 sq ft. ENERGY STAR pd_id 4497354 identical.

Room size
380 sq ft
Source

AHAM Verifide directory + ENERGY STAR (380 sq ft)

AHAM Verifide
Yes
Source

Cited as AHAM Verifide in imported dataset.

ENERGY STAR
Yes
Source

Cited on ENERGY STAR Room Air Cleaners V3.0.

Noise min
—
Source
Noise max
—
Source

Filter

Pre-filter + carbon + HEPA (AHAM filter field)

Score 3 · True HEPA + activated carbon

AHAM filter field 'Pre-filter, Carbon & HEPA Filter'; ENERGY STAR 'HEPA-Type'. Manufacturer H13 claim not re-checked this run

Sources

Highlights

  • AHAM filter field 'Pre-filter, Carbon & HEPA Filter'; ENERGY STAR 'HEPA-Type'. Manufacturer H13 claim not re-checked this run
  • AHAM Verifide listing cited.
  • ENERGY STAR V3.0 cited.
  • CADR tier 3.

Caveats

  • AHAM record 9af40ded: 245/257/263, 380 sq ft. ENERGY STAR pd_id 4497354 identical.
  • Amazon ASINs left null — affiliate deep links disabled until verified.