{
  "schema": "benchpicked_decision_dataset.v1",
  "dataset_id": "air-purifier-decision-data-2026-09-24",
  "version": "2026.09.24",
  "updated_at": "2026-09-24",
  "methodology": "Values are normalized from the named manufacturer and standards-directory sources already attached to each BenchPicked page. Units are preserved rather than converted when operating conditions are not equivalent.",
  "evidence_boundary": "This is a source-attributed comparison dataset, not a BenchPicked laboratory test. The Levoit Core 400S CADR row remains needs_verification pending a same-model AHAM or equivalent primary record.",
  "columns": [
    "record_id",
    "product",
    "cadr_dust_cfm",
    "cadr_smoke_cfm",
    "cadr_pollen_cfm",
    "stated_coverage",
    "noise_range_db",
    "power_w",
    "filter_type",
    "tco_inputs",
    "evidence_status",
    "source_urls",
    "page_url"
  ],
  "changelog": [
    {
      "date": "2026-09-24",
      "change": "Initial versioned publication from the current source-attributed authority cluster."
    }
  ],
  "records": [
    {
      "record_id": "levoit-core-300s",
      "product": "Levoit Core 300S",
      "cadr_dust_cfm": "141 CFM",
      "cadr_smoke_cfm": "141 CFM",
      "cadr_pollen_cfm": "145 CFM",
      "stated_coverage": "219 sq ft",
      "noise_range_db": "24-48 dB",
      "power_w": "38 W",
      "filter_type": "3-stage True HEPA-style filter",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://levoit.com/products/core-300s-p-smart-air-purifier | https://www.ahamdir.com/room-air-cleaners/",
      "page_url": "https://benchpicked.com/air-quality/levoit-core-300s/"
    },
    {
      "record_id": "coway-airmega-ap-1512hh",
      "product": "Coway Airmega AP-1512HH",
      "cadr_dust_cfm": "246 CFM",
      "cadr_smoke_cfm": "233 CFM",
      "cadr_pollen_cfm": "240 CFM",
      "stated_coverage": "361 sq ft",
      "noise_range_db": "24.4-53.8 dB",
      "power_w": "77 W",
      "filter_type": "pre-filter, deodorization filter, True HEPA filter",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://cowaymega.com/products/mighty-ap-1512hh | https://www.ahamdir.com/room-air-cleaners/",
      "page_url": "https://benchpicked.com/air-quality/coway-airmega-ap-1512hh/"
    },
    {
      "record_id": "dyson-purifier-cool-tp07",
      "product": "Dyson Purifier Cool TP07",
      "cadr_dust_cfm": "not published",
      "cadr_smoke_cfm": "not published",
      "cadr_pollen_cfm": "not published",
      "stated_coverage": "not published",
      "noise_range_db": "not published",
      "power_w": "not published",
      "filter_type": "HEPA H13 and activated carbon filtration",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://www.dyson.com/air-treatment/air-purifiers/purifier-cool-tp07/black-nickel | https://www.ahamdir.com/room-air-cleaners/",
      "page_url": "https://benchpicked.com/air-quality/dyson-purifier-cool-tp07/"
    },
    {
      "record_id": "honeywell-hpa300",
      "product": "Honeywell HPA300",
      "cadr_dust_cfm": "320 CFM",
      "cadr_smoke_cfm": "300 CFM",
      "cadr_pollen_cfm": "300 CFM",
      "stated_coverage": "465 sq ft",
      "noise_range_db": "not published",
      "power_w": "not published",
      "filter_type": "pre-filter and True HEPA filters",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://www.honeywellstore.com/store/products/hpa300-true-hepa-whole-room-air-purifier-with-allergen-remover.htm | https://www.ahamdir.com/room-air-cleaners/",
      "page_url": "https://benchpicked.com/air-quality/honeywell-hpa300/"
    },
    {
      "record_id": "winix-5510",
      "product": "Winix 5510",
      "cadr_dust_cfm": "252 CFM",
      "cadr_smoke_cfm": "253 CFM",
      "cadr_pollen_cfm": "247 CFM",
      "stated_coverage": "392 sq ft AHAM verified",
      "noise_range_db": "not published",
      "power_w": "65 W",
      "filter_type": "washable pre-filter, AOC carbon, True HEPA, and PlasmaWave",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://www.winixamerica.com/product/5510/ | https://www.winixamerica.com/wp-content/uploads/2024/10/5510_User-Manual_01.pdf",
      "page_url": "https://benchpicked.com/air-quality/winix-5510/"
    },
    {
      "record_id": "blueair-blue-211i-max",
      "product": "Blueair Blue 211i Max",
      "cadr_dust_cfm": "452 CFM",
      "cadr_smoke_cfm": "435 CFM",
      "cadr_pollen_cfm": "450 CFM",
      "stated_coverage": "674 sq ft at 4.8 ACH",
      "noise_range_db": "23-53 dB",
      "power_w": "46 W",
      "filter_type": "HEPASilent particle and carbon filtration with washable pre-filter",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://www.blueair.com/products/blue-pure-211i-max | https://www.blueair.com/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw4af9bda4/Manuals/Blue%20Pure%20211i%20Max%20User%20Manual%20-%20English%20%2807.30.24%29.pdf",
      "page_url": "https://benchpicked.com/air-quality/blueair-blue-211i-max/"
    },
    {
      "record_id": "levoit-core-400s",
      "product": "Levoit Core 400S",
      "cadr_dust_cfm": "260 CFM",
      "cadr_smoke_cfm": "260 CFM",
      "cadr_pollen_cfm": "260 CFM",
      "stated_coverage": "403 sq ft",
      "noise_range_db": "24-52 dB",
      "power_w": "38 W",
      "filter_type": "3-stage True HEPA-style filter",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "needs_verification",
      "source_urls": "https://levoit.com/collections/air-purifiers/products/core-400s-p-smart-true-hepa-air-purifier | https://www.ahamdir.com/room-air-cleaners/",
      "page_url": "https://benchpicked.com/air-quality/levoit-core-400s/"
    },
    {
      "record_id": "puroair-240-hepa",
      "product": "PuroAir 240 HEPA",
      "cadr_dust_cfm": "not published",
      "cadr_smoke_cfm": "not published",
      "cadr_pollen_cfm": "not published",
      "stated_coverage": "up to 1,000 sq ft; manufacturer claim without published CADR basis",
      "noise_range_db": "24 dB lowest setting",
      "power_w": "45 W",
      "filter_type": "pre-screen, HEPA, and activated carbon",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://getpuroair.com/products/puroair-240-air-purifier | https://getpuroair.com/pages/faqs",
      "page_url": "https://benchpicked.com/air-quality/puroair-240-hepa/"
    },
    {
      "record_id": "alen-breathesmart-45i",
      "product": "Alen BreatheSmart 45i",
      "cadr_dust_cfm": "up to 208 CFM",
      "cadr_smoke_cfm": "up to 208 CFM",
      "cadr_pollen_cfm": "up to 208 CFM",
      "stated_coverage": "800 sq ft",
      "noise_range_db": "23-49 dB",
      "power_w": "50 W",
      "filter_type": "True HEPA filter options",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://alen.com/products/breathesmart-45i | https://www.ahamdir.com/room-air-cleaners/",
      "page_url": "https://benchpicked.com/air-quality/alen-breathesmart-45i/"
    },
    {
      "record_id": "coway-airmega-400",
      "product": "Coway Airmega 400",
      "cadr_dust_cfm": "328 CFM",
      "cadr_smoke_cfm": "328 CFM",
      "cadr_pollen_cfm": "400 CFM",
      "stated_coverage": "1560 sq ft",
      "noise_range_db": "22-52 dB",
      "power_w": "66 W",
      "filter_type": "pre-filter plus Max2 activated carbon and Green True HEPA filter",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://cowaymega.com/products/airmega-400 | https://www.ahamdir.com/room-air-cleaners/",
      "page_url": "https://benchpicked.com/air-quality/coway-airmega-400/"
    },
    {
      "record_id": "ionshield-air-purifier",
      "product": "IonShield Air Purifier",
      "cadr_dust_cfm": "not published",
      "cadr_smoke_cfm": "not published",
      "cadr_pollen_cfm": "not published",
      "stated_coverage": "not published",
      "noise_range_db": "not published",
      "power_w": "not published",
      "filter_type": "not published",
      "tco_inputs": "purchase price + replacement filters + electricity; unpublished inputs remain unknown",
      "evidence_status": "source_attributed",
      "source_urls": "https://www.filterfreeairpurifier.com/en/order.html?loader=1 | https://www.epa.gov/indoor-air-quality-iaq/guide-air-cleaners-home | https://www.filterfreeairpurifier.com/en/order.html",
      "page_url": "https://benchpicked.com/air-quality/ionshield-air-purifier/"
    }
  ]
}