{
 "analysis": {
  "decile": 2.05,
  "higher_better": true,
  "label": "Integrated Energy Factor",
  "median": 2.01,
  "pool": 161,
  "top_beats_pct": 99,
  "top_name": "Vellgoo TAURUS PRO-RCS50(Y)-N4-3-25",
  "top_value": 2.24,
  "unit": "L/kWh"
 },
 "criteria": [
  {
   "direction": "higher",
   "key": "ief",
   "label": "Integrated Energy Factor",
   "unit": "L/kWh",
   "weight": 0.9
  },
  {
   "direction": "higher",
   "key": "capacity",
   "label": "Certified capacity",
   "unit": "pints/day",
   "weight": 0.1
  },
  {
   "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
  }
 ],
 "items": [
  {
   "brand": "Vellgoo",
   "id": "vellgoo-taurus-pro-rcs50-y-n4-3-25",
   "name": "Vellgoo TAURUS PRO-RCS50(Y)-N4-3-25",
   "rank": 1,
   "score": 99.0,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4481295, retrieved 2026-11-01",
   "specs": {
    "capacity": 45.0,
    "cost5": 403.0,
    "ief": 2.24
   }
  },
  {
   "brand": "ZAFRO",
   "id": "zafro-d026w-50pt3m",
   "name": "ZAFRO D026W-50Pt3M",
   "rank": 2,
   "score": 98.4,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4623714, retrieved 2026-11-01",
   "specs": {
    "capacity": 49.86,
    "cost5": 458.0,
    "ief": 2.2
   }
  },
  {
   "brand": "MegaLight",
   "id": "megalight-pd-hpc750-wt",
   "name": "MegaLight PD-HPC750-WT",
   "rank": 3,
   "score": 98.3,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4586106, retrieved 2026-11-01",
   "specs": {
    "capacity": 49.43,
    "cost5": 429.0,
    "ief": 2.2
   }
  },
  {
   "brand": "Waykar",
   "id": "waykar-cth150b",
   "name": "Waykar CTH150B",
   "rank": 4,
   "score": 98.3,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4005790, retrieved 2026-11-01",
   "specs": {
    "capacity": 49.43,
    "cost5": 428.0,
    "ief": 2.2
   }
  },
  {
   "brand": "Aeocky",
   "id": "aeocky-leo-pro-rcs50-y-n4-3-b-25",
   "name": "Aeocky LEO PRO-RCS50(Y)-N4-3(B)-25",
   "rank": 5,
   "score": 97.8,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4576900, retrieved 2026-11-01",
   "specs": {
    "capacity": 44.94,
    "cost5": 398.0,
    "ief": 2.21
   }
  },
  {
   "brand": "Aeocky",
   "id": "aeocky-rhea-pro-rcs50-y-n4-3-25",
   "name": "Aeocky RHEA PRO-RCS50(Y)-N4-3-25",
   "rank": 6,
   "score": 97.7,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4481294, retrieved 2026-11-01",
   "specs": {
    "capacity": 44.34,
    "cost5": 392.0,
    "ief": 2.21
   }
  },
  {
   "brand": "AERIC",
   "id": "aeric-aerd501p",
   "name": "AERIC AERD501P",
   "rank": 7,
   "score": 94.3,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4005876, retrieved 2026-11-01",
   "specs": {
    "capacity": 49.32,
    "cost5": 456.0,
    "ief": 2.1
   }
  },
  {
   "brand": "Arecovas",
   "id": "arecovas-ar-df005",
   "name": "Arecovas AR-DF005",
   "rank": 8,
   "score": 92.8,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4586595, retrieved 2026-11-01",
   "specs": {
    "capacity": 32.0,
    "cost5": 307.0,
    "ief": 2.15
   }
  },
  {
   "brand": "Deciuu",
   "id": "deciuu-libra-rcs32-y-n4-3",
   "name": "Deciuu LIBRA-RCS32(Y)-N4-3",
   "rank": 9,
   "score": 92.0,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4015854, retrieved 2026-11-01",
   "specs": {
    "capacity": 32.0,
    "cost5": 303.0,
    "ief": 2.13
   }
  },
  {
   "brand": "GARVEE",
   "id": "garvee-sayram-rcs32-y-n4-3",
   "name": "GARVEE SAYRAM-RCS32(Y)-N4-3",
   "rank": 10,
   "score": 90.6,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4614594, retrieved 2026-11-01",
   "specs": {
    "capacity": 33.13,
    "cost5": 311.0,
    "ief": 2.09
   }
  },
  {
   "brand": "Aeocky",
   "id": "aeocky-leo-rcs32-y-n4-3",
   "name": "Aeocky LEO-RCS32(Y)-N4-3",
   "rank": 11,
   "score": 90.4,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 4481293, retrieved 2026-11-01",
   "specs": {
    "capacity": 32.0,
    "cost5": 305.0,
    "ief": 2.09
   }
  },
  {
   "brand": "Aeocky",
   "id": "aeocky-rhea-rcs32-y-n4-3",
   "name": "Aeocky RHEA-RCS32(Y)-N4-3",
   "rank": 12,
   "score": 90.4,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 3994316, retrieved 2026-11-01",
   "specs": {
    "capacity": 32.0,
    "cost5": 308.0,
    "ief": 2.09
   }
  },
  {
   "brand": "Vellgoo",
   "id": "vellgoo-taurus-rcs32-y-n4-3",
   "name": "Vellgoo TAURUS-RCS32(Y)-N4-3",
   "rank": 13,
   "score": 90.4,
   "spec_source": "ENERGY STAR certified Dehumidifiers dataset (U.S. EPA, data.energystar.gov mgiu-hu4z), record 3629581, retrieved 2026-11-01",
   "specs": {
    "capacity": 32.0,
    "cost5": 304.0,
    "ief": 2.09
   }
  }
 ],
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "method": "We took the portable ENERGY STAR dehumidifiers with the highest certified Integrated Energy Factor (IEF). The score is 90% IEF and 10% capacity; yearly energy use is not scored separately because it follows from capacity and IEF. The five-year electricity cost is shown for each (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": "The most energy-efficient dehumidifiers, ranked by certified efficiency",
 "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": 2.24,
  "cut": 2.09,
  "label": "Integrated Energy Factor",
  "listed": 13,
  "listings": 547,
  "merge": "listings with identical certified values on all 11 reported fields",
  "pool": 161,
  "tied_beyond_cut": 0,
  "unit": "L/kWh"
 },
 "sources": [
  "https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Dehumidifiers/mgiu-hu4z",
  "https://www.eia.gov/electricity/monthly/epm_table_grapher.php?t=epmt_5_6_a"
 ],
 "updated": "2026-11-01",
 "url": "https://bytherank.com/most-efficient-dehumidifiers/",
 "why_first": {
  "criteria": [
   {
    "difference": 1.6,
    "first_points": 90.0,
    "first_value": 2.24,
    "key": "ief",
    "label": "Integrated Energy Factor",
    "second_points": 88.4,
    "second_value": 2.2,
    "unit": "L/kWh",
    "weight_pct": 90.0
   },
   {
    "difference": -1.0,
    "first_points": 9.0,
    "first_value": 45.0,
    "key": "capacity",
    "label": "Certified capacity",
    "second_points": 10.0,
    "second_value": 49.86,
    "unit": "pints/day",
    "weight_pct": 10.0
   },
   {
    "difference": 0.0,
    "first_points": 0.0,
    "first_value": 403.0,
    "key": "cost5",
    "label": "5-year electricity cost",
    "second_points": 0.0,
    "second_value": 458.0,
    "unit": "USD",
    "weight_pct": 0.0
   }
  ],
  "deciding": {
   "computed": false,
   "first_value": 2.24,
   "key": "ief",
   "label": "Integrated Energy Factor",
   "retrieved": "2026-11-01",
   "second_value": 2.2,
   "source": "https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Dehumidifiers/mgiu-hu4z"
  },
  "first": "Vellgoo TAURUS PRO-RCS50(Y)-N4-3-25",
  "first_score": 99.0,
  "flip": {
   "key": "capacity",
   "label": "Certified capacity",
   "needed_pct": 15.5,
   "now_pct": 10.0
  },
  "headline_leader": null,
  "margin": 0.6,
  "second": "ZAFRO D026W-50Pt3M",
  "second_score": 98.4,
  "ties": [
   {
    "names": [
     "MegaLight PD-HPC750-WT",
     "Waykar CTH150B"
    ],
    "rank": "=3",
    "rule": "equal scores share a rank; within it products are listed alphabetically (no measured difference)",
    "score": 98.3
   },
   {
    "names": [
     "Aeocky LEO-RCS32(Y)-N4-3",
     "Aeocky RHEA-RCS32(Y)-N4-3",
     "Vellgoo TAURUS-RCS32(Y)-N4-3"
    ],
    "rank": "=11",
    "rule": "equal scores share a rank; within it products are listed alphabetically (no measured difference)",
    "score": 90.4
   }
  ]
 }
}