{
  "schema": "benchpicked_consumer_research_export.v1",
  "route": "/air-quality/levoit-core-300s/",
  "product_id": "levoit-core-300s",
  "revision": "2026-10-11.local-voc-review.1",
  "page_content_hash": "f32b99023030f059ff70e5c2695f27060a6823569821945150ac09eac90e7f6a",
  "market": "US",
  "currency": "USD",
  "is_benchpicked_measurement": false,
  "reader_task": "Separate the small-room cleaning-rate claim from the large-area claim, and check which power and replacement-filter record applies before estimating ownership cost.",
  "freshness": "maintenance_due",
  "freshness_assessed_at": "2026-11-04T01:23:50.234Z",
  "facts": [
    {
      "attribute": "reported_cadr",
      "condition": "Current product listing gives CADR without a pollutant label or fan-setting mapping; this is not established as a sleep-speed or smoke-specific value.",
      "id": "l-reported-cadr",
      "locator": "Product Specifications: CADR",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-current-product",
      "state": "documented",
      "unit": "CFM",
      "value": 141,
      "source_url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "rated_room",
      "condition": "Manufacturer room claim at 4.8 ACH; not a guarantee for every ceiling height, room layout or low fan speed.",
      "id": "l-small-room",
      "locator": "Product Specifications: Ideal Room Size",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-current-product",
      "state": "documented",
      "unit": "sq ft",
      "value": 219,
      "source_url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "rated_room",
      "condition": "Manufacturer room claim at 1 ACH. It is not equivalent to the 219 sq ft / 4.8 ACH claim.",
      "id": "l-large-room",
      "locator": "Product Specifications: Ideal Room Size",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-current-product",
      "state": "documented",
      "unit": "sq ft",
      "value": 1051,
      "source_url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "rated_power_web",
      "condition": "Current US product-page rating at AC 120V / 60Hz; not a measured daily consumption figure.",
      "id": "l-power-web",
      "locator": "Product Specifications: Rated Power",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-current-product",
      "state": "documented",
      "unit": "W",
      "value": 23,
      "source_url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "rated_power_manual",
      "condition": "Linked US series-manual rating at AC 120V / 60Hz. Applicability to the current individual SKU is unresolved.",
      "id": "l-power-manual",
      "locator": "PDF page 2: Specifications",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-linked-manual",
      "state": "documented",
      "unit": "W",
      "value": 39,
      "source_url": "https://levoit.com/cdn/shop/files/HEAPAPLVSUS0073A_Core_300S-P_Smart_Air_Purifier_manual_US_A2-240918_4855d907-1d27-4231-ad1c-82899f56e370.pdf?v=12210007380621608458",
      "source_type": "manufacturer_manual",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "matched_rated_power",
      "condition": "Product page: 23W; linked series manual: 39W; earlier site record: 38W. Confirm the unit and document revision before selecting a current-device power assumption.",
      "id": "l-power-matched",
      "locator": "Product Specifications compared with linked manual page 2 and earlier dated record",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-current-product",
      "state": "conflicting",
      "unit": "W",
      "value": null,
      "source_url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "noise_range_web",
      "condition": "Manufacturer range; distance and a per-speed CADR pairing are not given in the listing.",
      "id": "l-noise-web",
      "locator": "Product Specifications: Noise Level",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-current-product",
      "state": "documented",
      "unit": "dB range",
      "value": "22-50",
      "source_url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "noise_range_manual",
      "condition": "Linked US series manual. Different from the listing; do not splice its low value together with maximum airflow.",
      "id": "l-noise-manual",
      "locator": "PDF page 2: Specifications",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-linked-manual",
      "state": "documented",
      "unit": "dB range",
      "value": "22-54.5",
      "source_url": "https://levoit.com/cdn/shop/files/HEAPAPLVSUS0073A_Core_300S-P_Smart_Air_Purifier_manual_US_A2-240918_4855d907-1d27-4231-ad1c-82899f56e370.pdf?v=12210007380621608458",
      "source_type": "manufacturer_manual",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "observed_filter_price",
      "condition": "Observed official single-filter listing price, not a delivered quote or proof of compatibility for the reader's unit.",
      "id": "l-filter-price",
      "locator": "Product price and UPC 817915026880",
      "market": "US",
      "max_age_days": 1,
      "model": "levoit-core-300s",
      "source_id": "levoit-filter-listing",
      "state": "documented",
      "unit": "USD",
      "value": 29.99,
      "source_url": "https://levoit.com/products/core300-p-air-purifier-replacement-filter",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": true
    },
    {
      "attribute": "matched_filter_compatibility",
      "condition": "The listing summary includes Core 300S-P, while its compatibility paragraph lists Core 300-P / P350-P / 300-P-RAC only. Check the exact replacement part and unit before buying.",
      "id": "l-filter-match",
      "locator": "Summary compared with What's Included compatibility paragraph",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-filter-listing",
      "state": "conflicting",
      "unit": "",
      "value": null,
      "source_url": "https://levoit.com/products/core300-p-air-purifier-replacement-filter",
      "source_type": "manufacturer",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "third_party_specimen_power",
      "condition": "HouseFresh's tested Core 300S specimen, speed 3, measured with an electricity usage monitor; not the rated power or proof for every current unit.",
      "id": "l-test-max-watts",
      "locator": "Specifications and test data: Electricity consumption",
      "market": "US",
      "max_age_days": 365,
      "model": "levoit-core-300s",
      "source_id": "housefresh-core300s",
      "state": "documented",
      "unit": "W",
      "value": 21.8,
      "source_url": "https://housefresh.com/levoit-core-300s-review/",
      "source_type": "third_party_test",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "prefilter_cleaning",
      "condition": "Linked US series manual; unplug first. The main filter is not to be washed or cleaned as a reusable cartridge.",
      "id": "l-cleaning",
      "locator": "PDF page 13: Cleaning the Filter",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-linked-manual",
      "state": "documented",
      "unit": "",
      "value": "Soft brush or vacuum every 2-4 weeks; no water",
      "source_url": "https://levoit.com/cdn/shop/files/HEAPAPLVSUS0073A_Core_300S-P_Smart_Air_Purifier_manual_US_A2-240918_4855d907-1d27-4231-ad1c-82899f56e370.pdf?v=12210007380621608458",
      "source_type": "manufacturer_manual",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    },
    {
      "attribute": "setup_network",
      "condition": "Linked US series-manual setup and troubleshooting; no guarantee about every router, app version or internet-outage behavior.",
      "id": "l-network",
      "locator": "PDF pages 8 and 16: app setup and WiFi troubleshooting",
      "market": "US",
      "max_age_days": 90,
      "model": "levoit-core-300s",
      "source_id": "levoit-linked-manual",
      "state": "documented",
      "unit": "",
      "value": "Secure 2.4GHz WiFi; VeSync account for voice assistants",
      "source_url": "https://levoit.com/cdn/shop/files/HEAPAPLVSUS0073A_Core_300S-P_Smart_Air_Purifier_manual_US_A2-240918_4855d907-1d27-4231-ad1c-82899f56e370.pdf?v=12210007380621608458",
      "source_type": "manufacturer_manual",
      "checked_at": "2026-10-10T12:02:45Z",
      "maintenance_due": false
    }
  ],
  "sources": [
    {
      "checked_at": "2026-10-10T12:02:45Z",
      "id": "levoit-current-product",
      "label": "Levoit current US Core 300S-P listing",
      "status": "active",
      "type": "manufacturer",
      "url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "use_scope": "bounded_editorial_summary"
    },
    {
      "checked_at": "2026-10-10T12:02:45Z",
      "id": "levoit-linked-manual",
      "label": "Linked US Core 300S / Core 300S-P series manual, A2-240918",
      "status": "active",
      "type": "manufacturer_manual",
      "url": "https://levoit.com/cdn/shop/files/HEAPAPLVSUS0073A_Core_300S-P_Smart_Air_Purifier_manual_US_A2-240918_4855d907-1d27-4231-ad1c-82899f56e370.pdf?v=12210007380621608458",
      "use_scope": "bounded_editorial_summary"
    },
    {
      "checked_at": "2026-10-10T12:02:45Z",
      "id": "levoit-filter-listing",
      "label": "Levoit Core 300 series original filter, UPC 817915026880",
      "status": "active",
      "type": "manufacturer",
      "url": "https://levoit.com/products/core300-p-air-purifier-replacement-filter",
      "use_scope": "bounded_editorial_summary"
    },
    {
      "checked_at": "2026-10-10T12:02:45Z",
      "id": "housefresh-core300s",
      "label": "HouseFresh Core 300S original test, dated February 27, 2026",
      "status": "active",
      "type": "third_party_test",
      "url": "https://housefresh.com/levoit-core-300s-review/",
      "use_scope": "bounded_editorial_summary"
    },
    {
      "checked_at": "2026-10-10T12:02:45Z",
      "id": "housefresh-method",
      "label": "HouseFresh original air-purifier testing method",
      "status": "active",
      "type": "test_method",
      "url": "https://housefresh.com/how-we-test-air-purifiers/",
      "use_scope": "bounded_editorial_summary"
    },
    {
      "checked_at": "2026-10-11T07:18:41.813Z",
      "id": "voc-openhab-11",
      "label": "Core 300S openHAB owner discussion, 2022-2023",
      "status": "active",
      "type": "owner_report",
      "url": "https://github.com/dag81/vesyncOpenhabPyPort/issues/11",
      "use_scope": "bounded_editorial_summary"
    },
    {
      "checked_at": "2026-10-11T07:19:16.966Z",
      "id": "voc-homebridge-119",
      "label": "Core 300S Homebridge owner issue and author follow-up, December 2025",
      "status": "active",
      "type": "owner_report",
      "url": "https://github.com/RaresAil/homebridge-levoit-air-purifier/issues/119",
      "use_scope": "bounded_editorial_summary"
    },
    {
      "checked_at": "2026-10-11T07:21:58.789Z",
      "id": "voc-ha-153641",
      "label": "Core 300S Home Assistant regression and resolution thread, October 2025",
      "status": "active",
      "type": "owner_report",
      "url": "https://github.com/home-assistant/core/issues/153641",
      "use_scope": "bounded_editorial_summary"
    }
  ],
  "tools": {
    "power_presets": [
      {
        "fact_id": "l-power-web",
        "label": "US listing: 23 W",
        "note": "Current US product-page rating at AC 120V / 60Hz; not a measured daily consumption figure.",
        "watts": 23
      },
      {
        "fact_id": "l-power-manual",
        "label": "Series manual: 39 W",
        "note": "Linked US series-manual rating at AC 120V / 60Hz. Applicability to the current individual SKU is unresolved.",
        "watts": 39
      },
      {
        "fact_id": "l-test-max-watts",
        "label": "HouseFresh specimen, speed 3: 21.8 W",
        "note": "HouseFresh's tested Core 300S specimen, speed 3, measured with an electricity usage monitor; not the rated power or proof for every current unit.",
        "watts": 21.8
      }
    ]
  },
  "third_party": {
    "heading": "What the independent specimen test adds",
    "source_ids": [
      "housefresh-core300s",
      "housefresh-method"
    ],
    "summary": "HouseFresh says it bought its own Core 300S. Its February 27, 2026 review reports a 45-minute particle-cleaning test in a 728 ft3 room at top speed with a PurpleAir Zen sensor. On speed 3 it measured 54.5 dB at 3 ft and 21.8W.",
    "interpretation": "For buyers, this supplies a concrete high-speed noise and power operating point. It does not establish the airflow available at a quieter setting, so it cannot settle a sleep-only purchase or predict cleaning time in a larger room.",
    "disagreement": "The specimen's 21.8W measurement is not a rated-power specification and does not resolve the 23W listing / 39W series-manual difference for every current unit.",
    "method": "Use the linked original test and method for its conditions. HouseFresh discloses affiliate income. These are its specimen results, not BenchPicked measurements; no borrowed photo is presented as our test evidence."
  },
  "owner_context": {
    "sample_count": 4,
    "overview": "Four self-reporting accounts in three original GitHub discussions describe Core 300S smart-home integration experiences from 2022-2025. These are technically engaged users, not a representative owner survey. They do not establish current reliability, cleaning performance or experience with every 300S-P unit.",
    "method": "We read the original issues and their available replies, matched explicit Core 300S use, and counted each primary reporting account once. Follow-up replies supply context, not extra votes. Purchase and identities were not independently verified. Only short factual summaries and original links are used; no personal profiles, device identifiers, diagnostic dumps, screenshots or review scores are republished.",
    "excluded": "Prospective buyers, Core 300/400S and Classic 300S humidifier reports, bots, vague same-here replies, firmware-modified-device faults, mirrored Reddit summaries and unverified aggregate percentages were excluded. No eligible original noise, filter-longevity or long-term hardware-reliability sample was established in this pass; that is an evidence gap, not proof that problems do not exist.",
    "reports": [
      {
        "source_id": "voc-openhab-11",
        "model": "levoit-core-300s",
        "date": "2022-04-16",
        "original_key": "github:dag81/vesyncOpenhabPyPort:issue:11",
        "summary": "An openHAB user reported connecting two Core 300S units successfully, while identifying configuration inconsistencies.",
        "context": "The same post mentions a Dual 200S humidifier; only its explicit Core 300S control experience is used here. The author also reported that adding Auto to the fan-mode configuration worked. The maintainer questioned how the binding handled that command, so this is a dated user experience, not universal compatibility confirmation. Region and length of ownership are unspecified.",
        "locator": "Original issue description and April 2022 replies",
        "deep_link": "https://github.com/dag81/vesyncOpenhabPyPort/issues/11",
        "evidence_type": "owner_self_report",
        "is_benchpicked_data": false
      },
      {
        "source_id": "voc-openhab-11",
        "model": "levoit-core-300s",
        "date": "2023-12-20",
        "original_key": "github:dag81/vesyncOpenhabPyPort:comment:1864367376",
        "summary": "Another user could select Auto in the app, but the openHAB binding rejected the Auto command for their Core 300S.",
        "context": "The report explicitly distinguishes the working app setting from the third-party binding's rejected command. It does not show a missing purifier mode or a cleaning failure. This dated comment does not establish whether a current binding still has the problem; region and ownership duration are unspecified.",
        "locator": "December 20, 2023 original comment",
        "deep_link": "https://github.com/dag81/vesyncOpenhabPyPort/issues/11#issuecomment-1864367376",
        "evidence_type": "owner_self_report",
        "is_benchpicked_data": false
      },
      {
        "source_id": "voc-homebridge-119",
        "model": "levoit-core-300s",
        "date": "2025-12-11",
        "original_key": "github:RaresAil/homebridge-levoit-air-purifier:issue:119",
        "summary": "A Homebridge user reported a login failure preventing their Core 300S from appearing in HomeKit, then described a fix in their own fork.",
        "context": "The initial environment was plugin 3.1.1 and Homebridge 1.11.1. In the December 19 follow-up, the author attributed their case to changed authentication and EU/US routing, not the initially suggested app-version change. The author's fork fix is self-reported; it is not proof of a released upstream fix, native HomeKit support or present-day compatibility. This is third-party integration experience, not a report that the official VeSync app failed.",
        "locator": "December 11 issue and December 19 author follow-up",
        "deep_link": "https://github.com/RaresAil/homebridge-levoit-air-purifier/issues/119#issuecomment-3675563287",
        "evidence_type": "owner_self_report",
        "is_benchpicked_data": false
      },
      {
        "source_id": "voc-ha-153641",
        "model": "levoit-core-300s",
        "date": "2025-10-04",
        "original_key": "github:home-assistant/core:issue:153641",
        "summary": "A Core 300S user reported a fan-speed mapping regression in Home Assistant 2025.10.1; the thread later recorded recovery on 2025.10.3.",
        "context": "The issue describes a US Core300S and compares previously working 2025.9.4 with 2025.10.1. The original author later switched to replacement firmware and could not verify the integration fix. A separate commenter explicitly reported their Core 300S working as before on October 18 after the 2025.10.3 update, and the issue was closed. That follow-up is retained as context, not an additional sample or a current compatibility guarantee.",
        "locator": "October 4 issue and October 17-18 resolution replies",
        "deep_link": "https://github.com/home-assistant/core/issues/153641#issuecomment-3418399603",
        "evidence_type": "owner_self_report",
        "is_benchpicked_data": false
      }
    ],
    "buyer_implication": "If openHAB, Home Assistant or HomeKit control is central to your purchase, check support for your exact model, integration and software version rather than relying on a generic WiFi claim. These records distinguish app/device controls from third-party integrations: an integration error is not evidence that the purifier stopped cleaning. The dated fixes in these reports are not current-version compatibility tests or a recommendation to flash replacement firmware."
  },
  "ownership": {
    "heading": "Maintenance and connected-control checks",
    "sections": [
      {
        "body": "The linked series manual separates the outer pre-filter from the main filter. Use a soft brush or vacuum on the pre-filter every 2-4 weeks; do not wash the filter. Replacement is a 6-8-month check, not a guarantee of equal life in every home. Check sooner if airflow drops, odor changes or the cartridge is visibly clogged.",
        "heading": "Clean the pre-filter, not the whole cartridge",
        "source_id": "levoit-linked-manual"
      },
      {
        "body": "The official original-filter listing shows $29.99, but its compatibility statements differ across sections. Treat this as a dated price observation, not a confirmed delivered cost for your model. Compare the unit label and replacement part with the manual; unknown shipping, tax and compatibility remain unknown.",
        "heading": "Confirm the spare before using the price",
        "source_id": "levoit-filter-listing"
      },
      {
        "body": "The linked series manual requires a secure 2.4GHz WiFi network during setup, and a VeSync account for voice-assistant access. App control and scheduling are convenience features, not evidence of greater cleaning performance. We have not verified the exact current app version or every offline scenario.",
        "heading": "Account and network requirements are part of the choice",
        "source_id": "levoit-linked-manual"
      }
    ]
  },
  "maintenance": {
    "changes": [
      {
        "date": "2026-10-10",
        "note": "Documented room-rate distinctions and conflicting official records. Earlier May 16 records remain available with their original dates."
      },
      {
        "date": "2026-10-11",
        "note": "Revised the current buying judgment and sizing/budget interpretation from existing evidence; restored alternative choices; separated dated historical records and article revision from unchanged source check dates. No new acquisition, physical test or owner sample."
      },
      {
        "date": "2026-10-11",
        "note": "Local VOC candidate: four primary reporting accounts in three original integration threads, with later fixes and scope limitations retained. No noise/filter-life consensus or 300S-P equivalence inferred."
      }
    ],
    "method": "Public manufacturer documents, attributed specimen testing and transparent arithmetic. BenchPicked has not physically tested this product.",
    "owner": "BenchPicked editorial desk",
    "policy": "Prices are dated observations, not guaranteed delivered quotes. We revisit prices, specifications and historical tests under separate age policies. A new check date does not erase an old source or resolve conflicting applicability."
  },
  "decision_support": {
    "fit_conditions": [
      {
        "fact_ids": [
          "l-small-room",
          "l-large-room",
          "l-reported-cadr"
        ],
        "text": "Your room and cleaning-rate target fit the manufacturer's 219 sq ft / 4.8 ACH context, and you can check performance at the intended fan speed. Do not use the 1,051 sq ft / 1 ACH headline as the same level of air cleaning."
      },
      {
        "fact_ids": [
          "l-noise-web",
          "l-noise-manual",
          "l-reported-cadr"
        ],
        "text": "You can tolerate the required operating speed rather than relying on the lowest advertised noise. The current listing does not pair noise with CADR at each speed, so quiet-bedroom suitability remains unverified."
      },
      {
        "fact_ids": [
          "l-filter-match",
          "l-filter-price",
          "l-power-web",
          "l-power-manual",
          "l-power-matched"
        ],
        "text": "You can confirm the replacement part for your unit and obtain a delivered price before ordering. Use the separate power scenarios in the budget tool; do not assume the old 38W record or the $29.99 spare listing applies to your purchase."
      }
    ]
  },
  "content_revised_at": "2026-11-02",
  "historical_claim_records": [
    {
      "record_index": 0,
      "claim": "Air Quality Sensor: Particle sensor",
      "attribution": "manufacturer_attributed",
      "boundary": "This field is attributed to the cited manufacturer documentation; BenchPicked did not independently measure it.",
      "source_url": "https://levoit.com/products/core-300s-p-smart-air-purifier",
      "recorded_at": "2026-05-16T13:02:13.651136+00:00",
      "locator": "editorial_contract.claim_proofs[0]",
      "verification_scope": "historical_site_attribution_not_current_source_verification",
      "archived_matched_source_locator": null
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