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  "secondary_topics": {
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    "specific_troubleshooting": 303.0,
    "specific_installation": 261.0,
    "specific_coil": 180.0,
    "specific_cleaning": 165.0,
    "specific_motor": 159.0,
    "specific_fan": 126.0,
    "specific_safety": 111.0,
    "specific_valve": 96.0,
    "specific_filter": 93.0
  },
  "keyword_clusters": {
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      "refrigerant",
      "compressor",
      "evaporator",
      "condenser",
      "txv",
      "expansion",
      "superheat",
      "subcooling",
      "manifold"
    ],
    "electrical": [
      "electrical",
      "voltage",
      "amperage",
      "capacitor",
      "contactor",
      "relay",
      "transformer",
      "wiring",
      "multimeter"
    ],
    "troubleshooting": [
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    ],
    "installation": [
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      "setup",
      "commissioning",
      "startup",
      "ductwork",
      "piping",
      "mounting",
      "connection"
    ],
    "systems": [
      "heat pump",
      "furnace",
      "boiler",
      "chiller",
      "vrf",
      "vav",
      "split system",
      "package unit"
    ],
    "controls": [
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      "control",
      "automation",
      "sensor",
      "programming",
      "sequence",
      "logic",
      "bms"
    ],
    "efficiency": [
      "efficiency",
      "energy",
      "seer",
      "eer",
      "cop",
      "performance",
      "optimization",
      "savings"
    ],
    "codes_standards": [
      "code",
      "standard",
      "regulation",
      "compliance",
      "ashrae",
      "nec",
      "imc",
      "certification"
    ]
  },
  "technical_depth_scores": {
    "refrigeration": 1.0,
    "troubleshooting": 1.0,
    "electrical": 1.0,
    "installation": 1.0,
    "systems": 1.0,
    "efficiency": 1.0,
    "controls": 1.0,
    "codes_standards": 1.0
  },
  "content_gaps": [
    "Troubleshooting + Electrical Systems",
    "Installation + Code Compliance",
    "Maintenance + Efficiency Optimization",
    "Controls + System Integration",
    "Refrigeration + Advanced Diagnostics"
  ],
  "hvacr_school_priority_topics": {
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    "troubleshooting": 1599.0,
    "electrical": 1581.0,
    "installation": 951.0,
    "systems": 939.0,
    "efficiency": 903.0,
    "controls": 753.0,
    "codes_standards": 624.0
  },
  "analysis_metadata": {
    "hvacr_weight": 3.0,
    "social_weight": 1.0,
    "total_primary_topics": 8,
    "total_secondary_topics": 11
  }
}