{
  "tables": {
    "shw_eff_ecm": {
      "refs": [
        "assumption"
      ],
      "table": [
        {
          "name": "NECB_Default",
          "efficiency": null,
          "part_load_curve": null,
          "notes": "Do nothing."
        },
        {
          "name": "Natural Gas Power Vent with Electric Ignition",
          "efficiency": 0.94,
          "part_load_curve": "SWH-EFFFPLR-NECB2011",
          "notes": "From AHRI."
        },
        {
          "name": "Natural Gas Direct Vent with Electric Ignition",
          "efficiency": 0.91,
          "part_load_curve": "SWH-EFFFPLR-NECB2011",
          "notes": "From AHRI."
        }
      ]
    }
  }
}