{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "waste-heat-recovery",
  "name": "Waste Heat Recovery Screening Calculator",
  "description": "Estimate recoverable process heat and displaced purchased fuel.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/waste-heat-recovery/",
  "methodology_url": "https://calculateenergysavings.com/calculators/waste-heat-recovery/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/waste-heat-recovery",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/waste-heat-recovery/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "massFlowLbHr": {
        "type": "number",
        "default": 10000,
        "title": "Waste-stream mass flow",
        "x-unit": "lb/hr"
      },
      "specificHeat": {
        "type": "number",
        "default": 0.25,
        "title": "Specific heat",
        "x-unit": "Btu/lb-°F"
      },
      "inletTempF": {
        "type": "number",
        "default": 500,
        "title": "Source temperature",
        "x-unit": "°F"
      },
      "outletTempF": {
        "type": "number",
        "default": 250,
        "title": "Minimum outlet temperature",
        "x-unit": "°F"
      },
      "recoveryPercent": {
        "type": "number",
        "default": 60,
        "title": "Recoverable fraction",
        "x-unit": "%"
      },
      "hours": {
        "type": "number",
        "default": 6000,
        "title": "Annual operating hours",
        "x-unit": "hrs/year"
      },
      "displacedEfficiencyPercent": {
        "type": "number",
        "default": 80,
        "title": "Displaced system efficiency",
        "x-unit": "%"
      },
      "fuelCostPerMmbtu": {
        "type": "number",
        "default": 12,
        "title": "Fuel cost",
        "x-unit": "$/MMBtu"
      },
      "installedCost": {
        "type": "number"
      },
      "incentiveAmount": {
        "type": "number",
        "default": 0
      },
      "annualMaintenanceSavings": {
        "type": "number",
        "default": 0
      },
      "projectLife": {
        "type": "number",
        "default": 15
      },
      "discountRatePercent": {
        "type": "number",
        "default": 7
      },
      "energyEscalationPercent": {
        "type": "number",
        "default": 2.5
      }
    }
  },
  "example_inputs": {
    "massFlowLbHr": 10000,
    "specificHeat": 0.25,
    "inletTempF": 500,
    "outletTempF": 250,
    "recoveryPercent": 60,
    "hours": 6000,
    "displacedEfficiencyPercent": 80,
    "fuelCostPerMmbtu": 12,
    "installedCost": "",
    "incentiveAmount": 0,
    "annualMaintenanceSavings": 0,
    "projectLife": 15,
    "discountRatePercent": 7,
    "energyEscalationPercent": 2.5
  },
  "source_url": "https://www.energy.gov/cmei/ito/measur",
  "formulas": [
    "Available heat = mass flow × specific heat × temperature drop.",
    "Recovered heat applies recovery fraction and annual hours."
  ],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}