{
  "id": "v20-us-energy-audit",
  "version": "20.16.0",
  "name": "Home Energy Audit Savings Calculator — United States",
  "shortName": "Home Energy Audit Savings",
  "description": "Evaluate an audit recommendation using a specified reduction in energy spending. The Irish optional baseline uses Electric Ireland EnergySaver 14 DD/online-bill tariff variants with separately dated PSO periods, not a national average or a future-price guarantee. USD planning view; stated limitations apply.",
  "category": "Home & Construction",
  "categorySlug": "home-construction",
  "keywords": [
    "energy-audit",
    "us",
    "energy-conservation",
    "pvwatts",
    "energy-saver"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "new",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/v20-us-energy-audit.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "20.16.0",
    "referenceCoverage": "references-listed",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "notice": "Illustrative defaults are not local quotes or verified legal rules. Dated reference components and user-entered assumptions are explicitly distinguished. Professional review is pending.",
  "urls": {
    "page": "/us/energy-audit/",
    "definition": "/us/energy-audit/definition.json",
    "schema": "/us/energy-audit/schema.json",
    "llms": "/us/energy-audit/llms.txt",
    "legacyDefinition": "/us/energy-audit/definition.json"
  },
  "queryExample": "https://askcalculators.com/us/energy-audit/?annualEnergyCost=2400&savingPercent=20&projectCost=5000&incentive=0&extraMaintenance=0&years=15&discountRate=4",
  "queryParameters": {
    "annualEnergyCost": {
      "label": "Manual baseline: annual energy spending",
      "type": "money",
      "required": true,
      "default": 2400
    },
    "savingPercent": {
      "label": "Audit-supported variable-spending reduction assumption",
      "type": "percent",
      "required": true,
      "default": 20
    },
    "projectCost": {
      "label": "Project price",
      "type": "money",
      "required": true,
      "default": 5000
    },
    "incentive": {
      "label": "Confirmed eligible incentive",
      "type": "money",
      "required": true,
      "default": 0
    },
    "extraMaintenance": {
      "label": "Additional annual maintenance",
      "type": "money",
      "required": true,
      "default": 0
    },
    "years": {
      "label": "Analysis years",
      "type": "number",
      "required": true,
      "default": 15
    },
    "discountRate": {
      "label": "Discount rate",
      "type": "percent",
      "required": true,
      "default": 4
    }
  },
  "inputs": [
    {
      "id": "annualEnergyCost",
      "label": "Manual baseline: annual energy spending",
      "type": "money",
      "defaultValue": 2400,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "USD",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "savingPercent",
      "label": "Audit-supported variable-spending reduction assumption",
      "type": "percent",
      "defaultValue": 20,
      "required": true,
      "min": 0,
      "max": 100,
      "step": 0.1,
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "projectCost",
      "label": "Project price",
      "type": "money",
      "defaultValue": 5000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "USD",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "incentive",
      "label": "Confirmed eligible incentive",
      "type": "money",
      "defaultValue": 0,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "USD",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "extraMaintenance",
      "label": "Additional annual maintenance",
      "type": "money",
      "defaultValue": 0,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "USD",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "years",
      "label": "Analysis years",
      "type": "number",
      "defaultValue": 15,
      "required": true,
      "min": 1,
      "max": 50,
      "step": 1,
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "discountRate",
      "label": "Discount rate",
      "type": "percent",
      "defaultValue": 4,
      "required": true,
      "min": 0,
      "max": 50,
      "step": 0.1,
      "help": "Illustrative starting value; replace with your own evidence."
    }
  ],
  "outputs": [
    {
      "id": "baselineCost",
      "label": "Entered or modeled baseline annual spending",
      "format": "currency",
      "digits": 2,
      "currency": "USD"
    },
    {
      "id": "fixedCost",
      "label": "Tariff standing charge and PSO, not reduced by energy efficiency",
      "format": "currency",
      "digits": 2,
      "currency": "USD"
    },
    {
      "id": "capital",
      "label": "Net capital cost",
      "format": "currency",
      "digits": 2,
      "currency": "USD"
    },
    {
      "id": "annualSaving",
      "label": "First-year net saving",
      "format": "currency",
      "digits": 2,
      "currency": "USD"
    },
    {
      "id": "payback",
      "label": "Simple payback, years",
      "format": "number",
      "digits": 2,
      "primary": true
    },
    {
      "id": "npv",
      "label": "Discounted net value",
      "format": "currency",
      "digits": 2,
      "currency": "USD"
    }
  ],
  "formula": {
    "expression": "Annual net saving = eligible variable energy spending × reduction fraction − additional maintenance. Fixed standing charges and PSO are not reduced by a consumption-saving percentage.",
    "note": "Inputs are converted to canonical units before evaluating this stated formula."
  },
  "examples": [
    {
      "label": "Illustrative defaults; required verification checks remain unconfirmed",
      "inputs": {
        "unitSystem": "imperial",
        "annualEnergyCost": 2400,
        "savingPercent": 20,
        "projectCost": 5000,
        "incentive": 0,
        "extraMaintenance": 0,
        "years": 15,
        "discountRate": 4
      }
    }
  ],
  "sources": [
    {
      "label": "DOE energy-use arithmetic",
      "url": "https://www.energy.gov/energysaver/save-electricity-and-fuel/appliances-and-electronics/estimating-appliance-and-home"
    },
    {
      "label": "PVWatts: site-specific solar estimation",
      "url": "https://pvwatts.nlr.gov/"
    },
    {
      "label": "DOE insulation overview",
      "url": "https://www.energy.gov/energysaver/weatherize/insulation"
    }
  ],
  "publicSlug": "energy-audit",
  "namespace": "us",
  "countries": [
    "us",
    "ca",
    "uk",
    "ie"
  ]
}