{
  "name": "ENERGY STAR Windows v. 6.0",
  "climate_zone": "all",
  "bldg_type": "all residential",
  "structure_type": "all",
  "end_use": [
      "heating",
      "secondary heating",
      "cooling"
    ],
  "fuel_type": "all",
  "technology": [
      "windows conduction",
      "windows solar"
    ],
  "market_entry_year": 2015,
  "market_entry_year_source": {
    "notes": "Year in which ENERGY STAR standard went into effect",
    "source_data": {
      "title": "ENERGY STAR Product Specification Residential Windows, Doors, and Skylights Version 6.0",
      "author": null,
      "organization": "ENERGY STAR",
      "year": 2015,
      "pages": 5,
      "URL": "https://www.energystar.gov/sites/default/files/Windows_Doors_and_Skylights_Program_Requirements%20v6.pdf"
    }
  },
  "market_exit_year": null,
  "market_exit_year_source": null,
  "energy_efficiency": {
      "AIA_CZ1": {
        "windows conduction": 3.7,
        "windows solar": 0.4
      },
      "AIA_CZ2": {
        "windows conduction": 3.7,
        "windows solar": 0.4
      },
      "AIA_CZ3": {
        "windows conduction": 3.33,
        "windows solar": 0.4
      },
      "AIA_CZ4": {
        "windows conduction": 3.33,
        "windows solar": 0.25
      },
      "AIA_CZ5": {
        "windows conduction": 2.5,
        "windows solar": 0.25
      }
    },
  "energy_efficiency_units": {
      "windows conduction": "R value",
      "windows solar": "SHGC"
    },
  "energy_efficiency_source": {
    "notes": "See table 1; assumes 'Northern' maps to AIA climates 1 and 2, 'North-Central' maps to AIA climates 3, 'South-Central' maps to AIA climate 4, and 'Southern' maps to AIA climate 5",
    "source_data": {
      "title": "ENERGY STAR Product Specification Residential Windows, Doors, and Skylights Version 6.0",
      "author": null,
      "organization": "ENERGY STAR",
      "year": 2015,
      "pages": 2,
      "URL": "https://www.energystar.gov/sites/default/files/Windows_Doors_and_Skylights_Program_Requirements%20v6.pdf"
    }
  },
  "installed_cost": 39,
  "cost_units": "2013$/ft^2 floor",
  "installed_cost_source": {
    "notes": "Double-pane, insulated frame, air fill, SHGC 0.31, U value 0.29",
    "source_data": {
      "title": "NREL National Residential Efficiency Measures Database",
      "author": null,
      "organization": "National Renewable Energy Laboratory",
      "year": 2013,
      "pages": null,
      "URL": "http://www.nrel.gov/ap/retrofits/measures.cfm?gId=16&ctId=37"
    }
  },
  "product_lifetime": 30,
  "product_lifetime_units": "years",
  "product_lifetime_source": {
    "notes": "Average lifetime for double-pane, insulated frame, air fill, SHGC 0.31, U value 0.29",
    "source_data": {
      "title": "NREL National Residential Efficiency Measures Database",
      "author": null,
      "organization": "National Renewable Energy Laboratory",
      "year": 2013,
      "pages": null,
      "URL": "http://www.nrel.gov/ap/retrofits/measures.cfm?gId=16&ctId=37"
    }
  },
  "measure_type": "full service",
  "fuel_switch_to": null,
  "market_scaling_fractions": null,
  "market_scaling_fractions_source": "NA",
  "_description": "Typical size residential double pane window that meets the ENERGY STAR performance standard in 2015",
  "_notes": null,
  "_added_by": {
    "name": "Jared Langevin",
    "organization": "Lawrence Berkeley National Lab",
    "email": "jared.langevin@lbl.gov",
    "timestamp": "2016-11-17 15:44:05 EST"
  },
  "_updated_by": {
    "name": null,
    "organization": null,
    "email": null,
    "timestamp": null
  }
}