{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "cooling-tower-optimization",
  "name": "Cooling Tower Optimization Water Savings Calculator",
  "description": "Compare tower makeup and blowdown at existing and proposed cycles of concentration.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/cooling-tower-optimization/",
  "methodology_url": "https://calculateenergysavings.com/calculators/cooling-tower-optimization/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/cooling-tower-optimization",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/cooling-tower-optimization/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "evaporationGpm": {
        "type": "number",
        "default": 10,
        "title": "Average evaporation",
        "x-unit": "gpm"
      },
      "existingCycles": {
        "type": "number",
        "default": 3,
        "title": "Existing cycles of concentration",
        "x-unit": "cycles"
      },
      "proposedCycles": {
        "type": "number",
        "default": 6,
        "title": "Proposed cycles of concentration",
        "x-unit": "cycles"
      },
      "hours": {
        "type": "number",
        "default": 4000,
        "title": "Annual tower hours",
        "x-unit": "hrs/year"
      },
      "waterCostPerKgal": {
        "type": "number",
        "default": 8,
        "title": "Water cost",
        "x-unit": "$/kgal"
      },
      "sewerCostPerKgal": {
        "type": "number",
        "default": 6,
        "title": "Sewer cost",
        "x-unit": "$/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": {
    "evaporationGpm": 10,
    "existingCycles": 3,
    "proposedCycles": 6,
    "hours": 4000,
    "waterCostPerKgal": 8,
    "sewerCostPerKgal": 6,
    "installedCost": "",
    "incentiveAmount": 0,
    "annualMaintenanceSavings": 0,
    "projectLife": 15,
    "discountRatePercent": 7,
    "energyEscalationPercent": 2.5
  },
  "source_url": "https://www.energy.gov/cmei/femp/best-management-practice-10-cooling-tower-management",
  "formulas": [
    "Blowdown = evaporation ÷ (cycles − 1).",
    "Makeup = evaporation + blowdown; annual value uses water plus sewer cost."
  ],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}