{
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   "unit": "%",
   "conditions": {
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    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
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    "reference": "011-1W0774",
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    "quote": "η s 205 % 152 %",
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   },
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   "id": "bb:value:27742",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 176.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
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    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "η s 176 % 133 %",
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   },
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   "id": "bb:value:27732",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 260.0,
   "unit": "%",
   "conditions": {
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    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "η s 260 % 186 %",
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   "id": "bb:value:27753",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 152.0,
   "unit": "%",
   "conditions": {
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   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "η s 205 % 152 %",
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   "id": "bb:value:27743",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 133.0,
   "unit": "%",
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    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "η s 176 % 133 %",
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   },
   "last_verified": "2026-10-04T05:26:41+00:00"
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   "id": "bb:value:27733",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 186.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "η s 260 % 186 %",
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   },
   "last_verified": "2026-10-04T05:26:41+00:00"
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    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
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    "quote": "Prated 18.00 kW 18.00 kW",
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   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
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    "quote": "Prated 18.00 kW 18.00 kW",
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   },
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   "id": "bb:value:27734",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 18.0,
   "unit": "kW",
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    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
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    "quote": "Prated 18.00 kW 18.00 kW",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, warmer climate, EN 14825, 35 °C column"
   },
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   "id": "bb:value:27755",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 18.0,
   "unit": "kW",
   "conditions": {
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    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "Prated 18.00 kW 18.00 kW",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, average climate, EN 14825, 55 °C column"
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   "id": "bb:value:27745",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 18.0,
   "unit": "kW",
   "conditions": {
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    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "Prated 18.00 kW 18.00 kW",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
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   "id": "bb:value:27735",
   "property": "prated",
   "label": "Rated heat output (Prated)",
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   "unit": "kW",
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    "climate": "warmer"
   },
   "source": {
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    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "Prated 18.00 kW 18.00 kW",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, warmer climate, EN 14825, 55 °C column"
   },
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    "reference": "011-1W0774",
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    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "Mass of Refrigerant 3,800 kg",
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   "property": "scop",
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    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "SCOP 5.20 3.88",
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   "property": "scop",
   "label": "SCOP",
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    "document_date": "2024-02-28",
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    "climate": "warmer"
   },
   "source": {
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    "document_date": "2024-02-28",
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    "quote": "SCOP 6.57 4.74",
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    "climate": "average"
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   "source": {
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    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "SCOP 5.20 3.88",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, average climate, EN 14825, 55 °C column"
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   "last_verified": "2026-10-04T05:26:41+00:00"
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   "conditions": {
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    "climate": "colder"
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   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "SCOP 4.49 3.39",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
  {
   "id": "bb:value:27737",
   "property": "scop",
   "label": "SCOP",
   "value": 4.74,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "SCOP 6.57 4.74",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
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   "id": "bb:value:27758",
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   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "Tbiv -10 °C -10 °C",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
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   "id": "bb:value:27748",
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   "label": "Bivalent temperature (Tbiv)",
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   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=6088&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=259781001e5a43af2e9ab8cfffddf6bc",
    "reference": "011-1W0774",
    "document_date": "2024-02-28",
    "retrieved": "2026-10-04T05:25:10+00:00",
    "quote": "Tbiv -15 °C -15 °C",
    "location": "model CHA-20/24-400V-M2 CS-e9-D2, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-04T05:26:41+00:00"
  },
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   "id": "bb:value:27738",
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   "label": "Bivalent temperature (Tbiv)",
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    "climate": "warmer"
   },
   "source": {
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 "conflicts": [],
 "open_questions": [
  {
   "id": "q:wolf-cha-20-24-400v-m2-cs-e9-d2:cop-a7w35",
   "question": "We have no manufacturer-stated heating capacity and COP at A7/W35 (EN 14511) for this unit. If you know an official datasheet or manual from the manufacturer that states them, you can submit its URL.",
   "how_to_answer": {
    "method": "POST",
    "url": "https://bedandbot.it/api/contribute",
    "content_type": "application/json",
    "body": {
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     "source_url": "https://…",
     "value": "optional, as stated in the source",
     "unit": "optional",
     "note": "optional, max 500 characters",
     "session": "optional"
    }
   },
   "what_happens": "Submissions are stored as unverified. Nothing is published until our checks find the value in the cited source. Links to new domains are reviewed by a person first."
  },
  {
   "id": "q:wolf-cha-20-24-400v-m2-cs-e9-d2:max-flow-temperature",
   "question": "We have no manufacturer-stated maximum flow temperature for this unit (and the outdoor temperature down to which it is reached). If you know an official document that states it, you can submit its URL.",
   "how_to_answer": {
    "method": "POST",
    "url": "https://bedandbot.it/api/contribute",
    "content_type": "application/json",
    "body": {
     "question": "q:wolf-cha-20-24-400v-m2-cs-e9-d2:max-flow-temperature",
     "source_url": "https://…",
     "value": "optional, as stated in the source",
     "unit": "optional",
     "note": "optional, max 500 characters",
     "session": "optional"
    }
   },
   "what_happens": "Submissions are stored as unverified. Nothing is published until our checks find the value in the cited source. Links to new domains are reviewed by a person first."
  }
 ]
}