Heat pump running cost calculator

Open Heat pump running cost calculator on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.

Tool capabilities

{
  "id": "heat-pump-running-cost-calculator",
  "category": "calculators",
  "built": true,
  "requirements": "Annual useful heat from 0 to 1 billion kWh; COP above 0 and up to 20; prices and daily standing charges from 0 to 100,000 in one currency. Annual duration 1 to 366 whole days. Monthly mode accepts up to 12 named periods, 1 to 31 whole days each and at most 366 days combined, in up to 100,000 characters. Processing stays on your device. Downloads: JSON report, results CSV and period CSV.",
  "implementation": {
    "fields": [
      {
        "key": "mode",
        "label": "Demand input",
        "value": "Annual demand",
        "type": "select",
        "values": [
          "Annual demand",
          "Monthly periods"
        ]
      },
      {
        "key": "annualHeat",
        "label": "Annual useful heat demand (kWh)",
        "value": 9000,
        "type": "number",
        "min": 0,
        "max": 1000000000,
        "step": "any",
        "showWhen": {
          "mode": [
            "Annual demand"
          ]
        }
      },
      {
        "key": "scop",
        "label": "Seasonal COP",
        "value": 3,
        "type": "number",
        "min": 0,
        "max": 20,
        "step": "any",
        "help": "Useful heat divided by electricity input over the season. Use your own seasonal estimate.",
        "showWhen": {
          "mode": [
            "Annual demand"
          ]
        }
      },
      {
        "key": "tariff",
        "label": "Electricity price per kWh",
        "value": 0.3,
        "type": "number",
        "min": 0,
        "max": 100000,
        "step": "any",
        "showWhen": {
          "mode": [
            "Annual demand"
          ]
        }
      },
      {
        "key": "days",
        "label": "Days included",
        "value": 365,
        "type": "number",
        "min": 0,
        "max": 366,
        "step": 1,
        "showWhen": {
          "mode": [
            "Annual demand"
          ]
        }
      },
      {
        "key": "standingCharge",
        "label": "Standing charge per day",
        "value": 0.5,
        "type": "number",
        "min": 0,
        "max": 100000,
        "step": "any",
        "help": "Enter only the standing charge you intend to allocate to heating. Enter 0 to exclude it."
      },
      {
        "key": "periods",
        "label": "Monthly periods",
        "value": "January,31,1800,2.5,0.30\nFebruary,28,1500,3,0.25",
        "type": "textarea",
        "maxLength": 100000,
        "help": "One row per period: name, days, useful heat kWh, COP and electricity price per kWh. Use decimal points and no thousands separators.",
        "showWhen": {
          "mode": [
            "Monthly periods"
          ]
        }
      }
    ],
    "registrationFamily": "home-heating-costs",
    "input": false,
    "live": false,
    "presentation": "metrics",
    "note": "Calculated on your device. Use an annual estimate or up to 12 monthly periods covering at most 366 days. COP, tariffs and standing charges are your assumptions.",
    "inputKeywords": [
      {
        "id": "home-heating-costs/heat-pump-running-cost-calculator/periods.header",
        "kind": "header",
        "code": "HOME_HEATING_COSTS_PERIOD_HEADER",
        "fold": "lower",
        "values": {
          "period": [
            "period",
            "Period"
          ],
          "days": [
            "days",
            "Days"
          ],
          "heat": [
            "heat",
            "Heat"
          ],
          "cop": [
            "cop",
            "COP"
          ],
          "tariff": [
            "tariff",
            "Tariff"
          ]
        },
        "describedBy": [
          "Name the columns Period, Days, Heat, COP and Tariff, in that order, or leave out the header row.",
          "Monthly periods"
        ]
      }
    ],
    "experience": {
      "automatic": false,
      "single": true,
      "inputMaxLength": 1000000,
      "inputMode": "text",
      "label": "Heating assumptions",
      "placeholder": "Use the fields below",
      "help": "This calculator uses the fields below. Monthly period rows are entered in the options when selected. Up to 1,000,000 characters. Review the settings before running.",
      "helpParts": [
        "This calculator uses the fields below. Monthly period rows are entered in the options when selected.",
        "Up to 1,000,000 characters.",
        "Review the settings before running."
      ],
      "action": null
    },
    "mode": "explicit",
    "interactive": false
  },
  "execution": "Browser interface",
  "api": null,
  "browser_agent": {
    "supported": true,
    "name": "run_current_tool",
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}

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