{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "commercial-refrigeration-controls",
  "name": "Commercial Refrigeration Controls Savings Calculator",
  "description": "Compare anti-sweat and electric-defrost runtime with optional refrigeration interactions and project economics.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/commercial-refrigeration-controls/",
  "methodology_url": "https://calculateenergysavings.com/calculators/commercial-refrigeration-controls/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/commercial-refrigeration-controls",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/commercial-refrigeration-controls/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "installedCost": {
        "type": "number"
      },
      "incentiveAmount": {
        "type": "number",
        "default": 0
      },
      "annualMaintenanceSavings": {
        "type": "number",
        "default": 0
      },
      "projectLife": {
        "type": "number",
        "default": 10
      },
      "discountRatePercent": {
        "type": "number",
        "default": 7
      },
      "energyEscalationPercent": {
        "type": "number",
        "default": 0
      },
      "antiSweatKw": {
        "type": "number",
        "default": 2,
        "title": "Total anti-sweat heater input",
        "x-unit": "kW",
        "description": "Sum nameplate/measured input across the controlled cases; enter 0 if not included.",
        "minimum": 0
      },
      "existingAntiHours": {
        "type": "number",
        "default": 8760,
        "title": "Existing anti-sweat full-power hours",
        "x-unit": "hrs/year",
        "minimum": 0,
        "maximum": 8760
      },
      "proposedAntiHours": {
        "type": "number",
        "default": 4380,
        "title": "Proposed anti-sweat full-power hours",
        "x-unit": "hrs/year",
        "minimum": 0,
        "maximum": 8760
      },
      "defrostKw": {
        "type": "number",
        "default": 6,
        "title": "Total electric-defrost heater input",
        "x-unit": "kW",
        "minimum": 0
      },
      "existingDefrostHours": {
        "type": "number",
        "default": 730,
        "title": "Existing electric-defrost hours",
        "x-unit": "hrs/year",
        "minimum": 0,
        "maximum": 8760
      },
      "proposedDefrostHours": {
        "type": "number",
        "default": 550,
        "title": "Proposed electric-defrost hours",
        "x-unit": "hrs/year",
        "minimum": 0,
        "maximum": 8760
      },
      "coolingSharePercent": {
        "type": "number",
        "default": 0,
        "title": "Heater energy entering refrigerated space",
        "x-unit": "%",
        "description": "Optional refrigeration interaction; starts at 0. Do not add this if your measured savings already include compressor energy.",
        "minimum": 0,
        "maximum": 100
      },
      "refrigerationCop": {
        "type": "number",
        "default": 2,
        "title": "Seasonal refrigeration COP",
        "minimum": 0.1,
        "maximum": 10
      },
      "addedControlsKwh": {
        "type": "number",
        "default": 0,
        "title": "Added controls electricity",
        "x-unit": "kWh/year",
        "minimum": 0
      },
      "electricityRate": {
        "type": "number",
        "default": 0.12
      }
    }
  },
  "example_inputs": {
    "installedCost": "",
    "incentiveAmount": 0,
    "annualMaintenanceSavings": 0,
    "projectLife": 10,
    "discountRatePercent": 7,
    "energyEscalationPercent": 0,
    "antiSweatKw": 2,
    "existingAntiHours": 8760,
    "proposedAntiHours": 4380,
    "defrostKw": 6,
    "existingDefrostHours": 730,
    "proposedDefrostHours": 550,
    "coolingSharePercent": 0,
    "refrigerationCop": 2,
    "addedControlsKwh": 0,
    "electricityRate": 0.12
  },
  "source_url": "https://www.energy.gov/documents/commercialrefrigerationequipmentresearchopportunitiespdf",
  "formulas": [
    "Direct kWh = anti-sweat kW × hours + electric-defrost kW × hours. Compare existing and proposed runtime at unchanged heater input.",
    "Net savings = direct heater savings × (1 + refrigerated-space fraction ÷ COP) − added controls kWh. Excludes fan controls, compressor resets, hot-gas defrost and demand charges. Never reduce defrost or anti-sweat runtime without manufacturer-qualified review and temperature/condensation verification."
  ],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}