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    "title": "Energieeffizienz-Experten - German Energy Adviser Leads",
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                "Nichtwohngebäude - non-residential (companies + municipalities)",
                "Anlagen und Prozesse - industrial plant and processes"
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            "description": "German postcodes (\"10115\") or place names (\"Berlin\", \"München\") - the site's own field accepts both, verified 2026-09-16 (\"Berlin\" / 20 km returned 778 experts). Required: this register has no nationwide search, and an empty location makes it answer HTTP 200 with its homepage and no results at all.",
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                "Wohngebäude: Klimafreundlicher Neubau (KFN) / Wohneigentum für Familien (WEF)",
                "Wohngebäude: KFN mit Zusatzqualifikation Lebenszyklusanalyse (LCA)",
                "Wohngebäude: Qualitätssiegel Nachhaltiges Gebäude (QNG)",
                "Nichtwohngebäude: Energieberatung DIN 18599",
                "Contracting-Orientierungsberatung (non-residential + industry)",
                "Nichtwohngebäude: Effizienzgebäude (KfW)",
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                "Nichtwohngebäude: Denkmal",
                "Nichtwohngebäude: Klimafreundlicher Neubau (KFN)",
                "Nichtwohngebäude: KFN mit Zusatzqualifikation (LCA)",
                "Nichtwohngebäude: Qualitätssiegel Nachhaltiges Gebäude (QNG)",
                "Anlagen und Prozesse: Energieberatung DIN 16247 (Energieaudit)"
              ]
            },
            "default": []
          },
          "measureGroups": {
            "title": "Single measures (Einzelmaßnahmen, residential lane only)",
            "type": "array",
            "description": "The BEG Einzelmaßnahmen groups. This filter only exists on the residential lane's own search form. Measured on Berlin / 250 km: no filter 3,467 experts, Heizung alone 3,226, Wärmedämmung + Lüftung together 3,305. (Those two numbers do not isolate whether several groups combine as AND or OR, and this description will not pretend they do.)",
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                "0",
                "1",
                "2",
                "3"
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                "Wärmedämmung (insulation)",
                "Fenster und Türen (windows + doors)",
                "Heizung (heating - the heat-pump filter)",
                "Lüftung (ventilation)"
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          "nameQuery": {
            "title": "Surname or firm name",
            "type": "string",
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            "title": "Only experts with an email address",
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            "description": "Drop experts who publish no email. 5.0% of the register's rows have none.",
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            "description": "Drop experts who publish neither. 2.8% of rows publish neither - they are still real register entries with a name, a firm and a postal address.",
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            "description": "Recommended. Two locations 100 km apart at a 250 km radius overlap heavily, and this register publishes no expert id of any kind, so rows are matched on name + postcode + street + firm. A dropped duplicate is never charged. Measured on the build fixtures: 213 parsed rows collapsed to 179 distinct experts.",
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          },
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            "title": "Include the full accreditation matrix",
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            "description": "ON: every row carries a `programmes` array with each funding programme the register lists for that expert and whether its box is ticked - 7 to 29 entries per expert, 15 on average. OFF: the row keeps only `accreditedProgrammes` (the ticked labels) and the three `serves…` flags, which is a much smaller row for a CRM import.",
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