{
 "analysis": {
  "decile": 391.0,
  "higher_better": true,
  "label": "Smoke CADR",
  "median": 151.0,
  "pool": 36,
  "top_beats_pct": 97,
  "top_name": "Soleusair GA1-W",
  "top_value": 523.0,
  "unit": "cfm"
 },
 "criteria": [
  {
   "direction": "higher",
   "key": "smoke_cadr",
   "label": "Smoke CADR",
   "unit": "cfm",
   "weight": 0.7
  },
  {
   "direction": "lower",
   "formula": "certified kWh per year x EIA U.S. average residential price x 5",
   "key": "cost5",
   "label": "5-year electricity cost",
   "unit": "USD",
   "weight": 0.3
  }
 ],
 "filters": [
  {
   "field": "ozone_emissions_ppb",
   "op": "==",
   "value": 0
  }
 ],
 "items": [
  {
   "brand": "Soleusair",
   "id": "soleusair-ga1-w",
   "name": "Soleusair GA1-W",
   "rank": 1,
   "score": 82.6,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4046703, retrieved 2026-11-01",
   "specs": {
    "cost5": 420.0,
    "smoke_cadr": 523.0
   }
  },
  {
   "brand": "Coway",
   "id": "coway-airmega-450s",
   "name": "Coway Airmega 450S",
   "rank": 2,
   "score": 73.9,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4005914, retrieved 2026-11-01",
   "specs": {
    "cost5": 362.0,
    "smoke_cadr": 443.0
   }
  },
  {
   "brand": "LEVOIT",
   "id": "levoit-lap-c511s-wus",
   "name": "LEVOIT LAP-C511S-WUS",
   "rank": 3,
   "score": 70.3,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4682774, retrieved 2026-11-01",
   "specs": {
    "cost5": 176.0,
    "smoke_cadr": 301.0
   }
  },
  {
   "brand": "IQAir",
   "id": "iqair-atem-e",
   "name": "IQAir ATEM E",
   "rank": 4,
   "score": 69.1,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4016351, retrieved 2026-11-01",
   "specs": {
    "cost5": 268.0,
    "smoke_cadr": 369.0
   }
  },
  {
   "brand": "HealthWay",
   "id": "healthway-max500",
   "name": "HealthWay MAX500",
   "rank": 5,
   "score": 68.8,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4701214, retrieved 2026-11-01",
   "specs": {
    "cost5": 390.0,
    "smoke_cadr": 413.0
   }
  },
  {
   "brand": "LEVOIT",
   "id": "levoit-lap-c601s-wus",
   "name": "LEVOIT LAP-C601S-WUS",
   "rank": 6,
   "score": 67.4,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4020853, retrieved 2026-11-01",
   "specs": {
    "cost5": 351.0,
    "smoke_cadr": 391.0
   }
  },
  {
   "brand": "Midea",
   "id": "purecode-par001-kj600g-rx600a-energy-star-4439585",
   "name": "PURECODE PAR001 [KJ600G-RX600A] [ENERGY STAR #4439585]",
   "rank": 7,
   "score": 66.0,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4439585, retrieved 2026-11-01",
   "specs": {
    "cost5": 310.0,
    "smoke_cadr": 366.0
   }
  },
  {
   "brand": "Midea",
   "id": "purecode-par001-kj600g-rx600a-energy-star-4687034",
   "name": "PURECODE PAR001 [KJ600G-RX600A] [ENERGY STAR #4687034]",
   "rank": 8,
   "score": 66.0,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4687034, retrieved 2026-11-01",
   "specs": {
    "cost5": 310.0,
    "smoke_cadr": 366.0
   }
  },
  {
   "brand": "Midea",
   "id": "midea-caf-z85us-w",
   "name": "Midea CAF-Z85US (W)",
   "rank": 9,
   "score": 64.2,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4439569, retrieved 2026-11-01",
   "specs": {
    "cost5": 235.0,
    "smoke_cadr": 312.0
   }
  },
  {
   "brand": "Dreo",
   "id": "dreo-dr-hap003s",
   "name": "Dreo DR-HAP003S",
   "rank": 10,
   "score": 60.0,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4577082, retrieved 2026-11-01",
   "specs": {
    "cost5": 256.0,
    "smoke_cadr": 294.0
   }
  },
  {
   "brand": "CleanForce",
   "id": "cleanforce-cp-rainbow",
   "name": "CleanForce CP-Rainbow",
   "rank": 11,
   "score": 56.5,
   "spec_source": "ENERGY STAR certified Room Air Cleaners dataset (U.S. EPA, data.energystar.gov gaa3-swy6), record 4528833, retrieved 2026-11-01",
   "specs": {
    "cost5": 281.0,
    "smoke_cadr": 282.0
   }
  }
 ],
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "method": "We kept zero-ozone ENERGY STAR air purifiers certified as connected-capable (network control) and compared those with the highest smoke CADR, weighing smoke CADR and the five-year electricity cost (certified yearly energy use x current EIA U.S. average residential price x 5). Every model tied with the last one on the selection criterion is listed, so the cut never picks among equals.",
 "name": "Best smart Wi-Fi air purifiers, ranked by certified data",
 "next_refresh": "2026-12-01",
 "publisher": "ByTheRank",
 "scoring": "each value scored against the best on the page (best = 1), times its weight; total out of 100",
 "selection": {
  "best": 523.0,
  "cut": 282.0,
  "label": "Smoke CADR",
  "listed": 11,
  "listings": 53,
  "merge": "listings with identical certified values on all 23 reported fields",
  "pool": 36,
  "tied_beyond_cut": 0,
  "unit": "cfm"
 },
 "sources": [
  "https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Room-Air-Cleaners-V3-0/gaa3-swy6",
  "https://www.eia.gov/electricity/monthly/epm_table_grapher.php?t=epmt_5_6_a"
 ],
 "updated": "2026-11-01",
 "url": "https://bytherank.com/best-smart-air-purifiers/",
 "why_first": {
  "criteria": [
   {
    "difference": 10.7,
    "first_points": 70.0,
    "first_value": 523.0,
    "key": "smoke_cadr",
    "label": "Smoke CADR",
    "second_points": 59.3,
    "second_value": 443.0,
    "unit": "cfm",
    "weight_pct": 70.0
   },
   {
    "difference": -2.0,
    "first_points": 12.6,
    "first_value": 420.0,
    "key": "cost5",
    "label": "5-year electricity cost",
    "second_points": 14.6,
    "second_value": 362.0,
    "unit": "USD",
    "weight_pct": 30.0
   }
  ],
  "deciding": {
   "computed": false,
   "first_value": 523.0,
   "key": "smoke_cadr",
   "label": "Smoke CADR",
   "retrieved": "2026-11-01",
   "second_value": 443.0,
   "source": "https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Room-Air-Cleaners-V3-0/gaa3-swy6"
  },
  "first": "Soleusair GA1-W",
  "first_score": 82.6,
  "flip": {
   "key": "cost5",
   "label": "5-year electricity cost",
   "needed_pct": 69.5,
   "now_pct": 30.0
  },
  "headline_leader": null,
  "margin": 8.7,
  "second": "Coway Airmega 450S",
  "second_score": 73.9,
  "ties": [
   {
    "names": [
     "PURECODE PAR001 [KJ600G-RX600A] [ENERGY STAR #4439585]",
     "PURECODE PAR001 [KJ600G-RX600A] [ENERGY STAR #4687034]"
    ],
    "rank": "=7",
    "rule": "equal scores share a rank; within it products are listed alphabetically (no measured difference)",
    "score": 66.0
   }
  ]
 }
}