{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "boiler-combustion-tune-up",
  "name": "Boiler Combustion Tune-Up Savings Calculator",
  "description": "Estimate boiler fuel and cost savings from measured current and target combustion efficiency, annual fuel input, analyzer readings, fuel cost, and tune-up cost.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/boiler-combustion-tune-up/",
  "methodology_url": "https://calculateenergysavings.com/calculators/boiler-combustion-tune-up/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/boiler-combustion-tune-up",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/boiler-combustion-tune-up/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "annualFuelMmbtu": {
        "type": "number",
        "default": 18000
      },
      "currentCombustionEfficiencyPercent": {
        "type": "number",
        "default": 78
      },
      "targetCombustionEfficiencyPercent": {
        "type": "number",
        "default": 82
      },
      "currentOxygenPercent": {
        "type": "number",
        "default": 6
      },
      "targetOxygenPercent": {
        "type": "number",
        "default": 3.5
      },
      "currentStackTemperatureF": {
        "type": "number",
        "default": 480
      },
      "targetStackTemperatureF": {
        "type": "number",
        "default": 400
      },
      "fuelCostPerMmbtu": {
        "type": "number",
        "default": 12
      },
      "tuneUpCost": {
        "type": "number",
        "default": 8500
      }
    }
  },
  "example_inputs": {
    "annualFuelMmbtu": 18000,
    "currentCombustionEfficiencyPercent": 78,
    "targetCombustionEfficiencyPercent": 82,
    "currentOxygenPercent": 6,
    "targetOxygenPercent": 3.5,
    "currentStackTemperatureF": 480,
    "targetStackTemperatureF": 400,
    "fuelCostPerMmbtu": 12,
    "tuneUpCost": 8500
  },
  "source_url": null,
  "formulas": [],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}