{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "condensate-return",
  "name": "Condensate Return Savings Calculator",
  "description": "Estimate fuel and water value from increasing hot condensate return.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/condensate-return/",
  "methodology_url": "https://calculateenergysavings.com/calculators/condensate-return/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/condensate-return",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/condensate-return/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "steamFlowLbHr": {
        "type": "number",
        "default": 20000,
        "title": "Average steam generation",
        "x-unit": "lb/hr"
      },
      "hours": {
        "type": "number",
        "default": 6000,
        "title": "Annual steam hours",
        "x-unit": "hrs/year"
      },
      "returnIncreasePercent": {
        "type": "number",
        "default": 20,
        "title": "Added condensate return",
        "x-unit": "% of steam"
      },
      "condensateTempF": {
        "type": "number",
        "default": 180,
        "title": "Condensate temperature",
        "x-unit": "°F"
      },
      "makeupTempF": {
        "type": "number",
        "default": 60,
        "title": "Makeup-water temperature",
        "x-unit": "°F"
      },
      "boilerEfficiencyPercent": {
        "type": "number",
        "default": 80,
        "title": "Boiler efficiency",
        "x-unit": "%"
      },
      "fuelCostPerMmbtu": {
        "type": "number",
        "default": 12,
        "title": "Fuel cost",
        "x-unit": "$/MMBtu"
      },
      "waterCostPerKgal": {
        "type": "number",
        "default": 8,
        "title": "Water and treatment cost",
        "x-unit": "$/kgal"
      },
      "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": {
    "steamFlowLbHr": 20000,
    "hours": 6000,
    "returnIncreasePercent": 20,
    "condensateTempF": 180,
    "makeupTempF": 60,
    "boilerEfficiencyPercent": 80,
    "fuelCostPerMmbtu": 12,
    "waterCostPerKgal": 8,
    "installedCost": "",
    "incentiveAmount": 0,
    "annualMaintenanceSavings": 0,
    "projectLife": 15,
    "discountRatePercent": 7,
    "energyEscalationPercent": 2.5
  },
  "source_url": "https://www.energy.gov/cmei/ito/measur",
  "formulas": [
    "Recovered heat = returned pounds × water heat capacity × temperature difference.",
    "Water savings use 8.34 lb per gallon."
  ],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}