{
  "id": "btu-calculator",
  "version": "7.0.0",
  "name": "BTU Calculator",
  "shortName": "BTU",
  "description": "Estimate BTU requirement for heating or cooling a room.",
  "category": "Home & Construction",
  "categorySlug": "home-construction",
  "keywords": [
    "btu"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "migrated",
  "migratedDate": "2026-08-18",
  "engine": "legacy-react",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/btu-calculator.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "7.0.0",
    "referenceCoverage": "references-pending",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "2026-08-18",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "notice": "General sizing estimate. Equipment selection should account for local climate, construction, ventilation, and a professional load calculation.",
  "urls": {
    "page": "/calculator/btu-calculator/",
    "definition": "/calculator/btu-calculator/definition.json",
    "schema": "/calculator/btu-calculator/schema.json",
    "llms": "/calculator/btu-calculator/llms.txt",
    "legacyDefinition": "/calculator/btu-calculator.json"
  },
  "queryExample": "https://askcalculators.com/calculator/btu-calculator/?length=20&width=15&ceilingHeight=8&insulation=average&sunExposure=average",
  "queryParameters": {
    "length": {
      "label": "Length (ft)",
      "type": "number",
      "required": false,
      "default": 20
    },
    "width": {
      "label": "Width (ft)",
      "type": "number",
      "required": false,
      "default": 15
    },
    "ceilingHeight": {
      "label": "Ceiling Height (ft)",
      "type": "number",
      "required": false,
      "default": 8
    },
    "insulation": {
      "label": "Insulation",
      "type": "text",
      "required": false,
      "default": "average"
    },
    "sunExposure": {
      "label": "Sun Exposure",
      "type": "text",
      "required": false,
      "default": "average"
    }
  },
  "inputs": [
    {
      "id": "length",
      "label": "Length (ft)",
      "type": "number",
      "defaultValue": 20
    },
    {
      "id": "width",
      "label": "Width (ft)",
      "type": "number",
      "defaultValue": 15
    },
    {
      "id": "ceilingHeight",
      "label": "Ceiling Height (ft)",
      "type": "number",
      "defaultValue": 8
    },
    {
      "id": "insulation",
      "label": "Insulation",
      "type": "text",
      "defaultValue": "average"
    },
    {
      "id": "sunExposure",
      "label": "Sun Exposure",
      "type": "text",
      "defaultValue": "average"
    }
  ],
  "outputs": [
    {
      "id": "result",
      "label": "Result",
      "format": "text",
      "primary": true
    }
  ],
  "formula": {
    "expression": "Heating/cooling capacity is estimated from room volume, temperature difference, insulation factor, occupancy, and selected adjustments.",
    "note": "General sizing estimate. Equipment selection should account for local climate, construction, ventilation, and a professional load calculation."
  },
  "examples": [
    {
      "label": "Reproducible default-input example (not a personal recommendation)",
      "inputs": {
        "length": 20,
        "width": 15,
        "ceilingHeight": 8,
        "insulation": "average",
        "sunExposure": "average"
      }
    }
  ],
  "sources": []
}
