{
  "curve_cubics": [
    {
      "name": "BOILER-EFFFPLR-NECB2011",
      "coeff_1": 0.2901,
      "coeff_2": 2.6664,
      "coeff_3": -3.764,
      "coeff_4": 1.82,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "Boiler Constant Efficiency Curve",
      "coeff_1": 1.0,
      "coeff_2": 0.0,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From DOE Reference Building"
    },
    {
      "name": "Boiler with Minimum Turndown",
      "coeff_1": 0.7791,
      "coeff_2": 1.4745,
      "coeff_3": -2.5795,
      "coeff_4": 1.3467,
      "min_x": 0.0,
      "max_x": 1.3,
      "min_out": null,
      "max_out": null,
      "notes": "From Regression of Prototype Building EMS"
    },
    {
      "name": "Boiler with No Minimum Turndown",
      "coeff_1": 0.7463,
      "coeff_2": 1.3196,
      "coeff_3": -2.2154,
      "coeff_4": 1.1674,
      "min_x": 0.0,
      "max_x": 1.3,
      "min_out": null,
      "max_out": null,
      "notes": "From Regression of Prototype Building EMS"
    },
    {
      "name": "CoilClgDXDblEIRRatio_fCFMRatio",
      "coeff_1": 1.007948,
      "coeff_2": 0.345441,
      "coeff_3": -0.692289,
      "coeff_4": 0.338899,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From CBECC Appendix_3.7_PerformanceCurves-S901G.xlsx"
    },
    {
      "name": "CoilClgDXDblQRatio_fCFMRatio",
      "coeff_1": 0.472786,
      "coeff_2": 1.243342,
      "coeff_3": -1.038706,
      "coeff_4": 0.322578,
      "min_x": -100.0,
      "max_x": 100.0,
      "min_out": 0.47,
      "max_out": null,
      "notes": "From CBECC Appendix_3.7_PerformanceCurves-S901G.xlsx"
    },
    {
      "name": "CoilClgDXEIRRatio_fQFrac",
      "coeff_1": 0.0,
      "coeff_2": 5.1091,
      "coeff_3": -8.5515,
      "coeff_4": 4.4744,
      "min_x": 0.7,
      "max_x": 1.0,
      "min_out": 0.92,
      "max_out": 1.0,
      "notes": "From CBECC Appendix_3.7_PerformanceCurves-S901G.xlsx"
    },
    {
      "name": "CoilClgDXSEEREIRRatio_fQFrac",
      "coeff_1": 1.0,
      "coeff_2": 0.0,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.7,
      "max_x": 1.0,
      "min_out": 1.0,
      "max_out": 1.0,
      "notes": "From CBECC Appendix_3.7_PerformanceCurves-S901G.xlsx"
    },
    {
      "name": "CoilClgPTACEIRRatio_fQFrac",
      "coeff_1": 0.85,
      "coeff_2": 0.15,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.7,
      "max_x": 1.0,
      "min_out": 0.96,
      "max_out": 1.0,
      "notes": "From CBECC Appendix_3.7_PerformanceCurves-S901G.xlsx"
    },
    {
      "name": "ConstantCubic",
      "coeff_1": 1.0,
      "coeff_2": 0.0,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -100.0,
      "max_x": 100.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Reference Buildings"
    },
    {
      "name": "DOE Ref DX Clg Coil Cool-CAP-fFlow",
      "coeff_1": 1.0,
      "coeff_2": 0.0,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -100.0,
      "max_x": 100.0,
      "min_out": null,
      "max_out": null,
      "notes": "From DOE Pre-1980 Reference Building"
    },
    {
      "name": "DOE Ref DX Clg Coil Cool-EIR-fFlow",
      "coeff_1": 1.0,
      "coeff_2": 0.0,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -100.0,
      "max_x": 100.0,
      "min_out": null,
      "max_out": null,
      "notes": "From DOE Pre-1980 Reference Building"
    },
    {
      "name": "DXCOOL-NECB2011-REF-COOLPLFFPLR",
      "coeff_1": 0.0277,
      "coeff_2": 4.9151,
      "coeff_3": -8.184,
      "coeff_4": 4.2702,
      "min_x": 0.7,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB, curve modified to take into account how PLF is used in E+, and PLF ranges (> 0.7)"
    },
    {
      "name": "DXHEAT-NECB2011-REF-CAPFFLOW",
      "coeff_1": 0.84,
      "coeff_2": 0.16,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.5,
      "max_x": 1.5,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "DXHEAT-NECB2011-REF-CAPFT",
      "coeff_1": 0.729,
      "coeff_2": 0.0319,
      "coeff_3": 0.000136,
      "coeff_4": -8.75e-06,
      "min_x": -20.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "DXHEAT-NECB2011-REF-EIRFT",
      "coeff_1": 1.2183,
      "coeff_2": -0.03612,
      "coeff_3": 0.00142,
      "coeff_4": -2.68e-05,
      "min_x": -20.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "DXHEAT-NECB2011-REF-PLFFPLR",
      "coeff_1": 0.3696,
      "coeff_2": 2.3362,
      "coeff_3": -2.9577,
      "coeff_4": 1.2596,
      "min_x": 0.7,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "FURNACE-EFFPLR-NECB2011",
      "coeff_1": 0.7277,
      "coeff_2": 1.0667,
      "coeff_3": -1.5174,
      "coeff_4": 0.7282,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "HPACHeatCapFFF",
      "coeff_1": 0.84,
      "coeff_2": 0.16,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.5,
      "max_x": 1.5,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "HPACHeatCapFT",
      "coeff_1": 0.758746,
      "coeff_2": 0.027626,
      "coeff_3": 0.000148716,
      "coeff_4": 3.4992e-06,
      "min_x": -20.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "HPACHeatEIRFT",
      "coeff_1": 1.19248,
      "coeff_2": -0.0300438,
      "coeff_3": 0.00103745,
      "coeff_4": -2.3328e-05,
      "min_x": -20.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "HeatSys1 Boiler Non-Condensing Boiler Curve",
      "coeff_1": 0.626428326,
      "coeff_2": 0.645643582,
      "coeff_3": -0.77720685,
      "coeff_4": 0.313806701,
      "min_x": 0.1,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "Hospital Kitchen_Flr_5_Case:1_WALKINFREEZERSingleShelfHorizontal_LatentEnergyMult",
      "coeff_1": 0.0236,
      "coeff_2": 0.0006,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "Hospital Kitchen_Flr_5_Case:2_SELFCONTAINEDDISPLAYCASEMultiShelfVertical_LatentEnergyMult",
      "coeff_1": 0.026526281,
      "coeff_2": 0.001078032,
      "coeff_3": 6.02558e-05,
      "coeff_4": 1.23732e-06,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "HotelLarge Kitchen_Flr_6_Case:1_WALKINFREEZERSingleShelfHorizontal_LatentEnergyMult",
      "coeff_1": 0.0236,
      "coeff_2": 0.0006,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "HotelLarge Kitchen_Flr_6_Case:2_SELFCONTAINEDDISPLAYCASEMultiShelfVertical_LatentEnergyMult",
      "coeff_1": 0.026526281,
      "coeff_2": 0.001078032,
      "coeff_3": 6.02558e-05,
      "coeff_4": 1.23732e-06,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "Multi Shelf Vertical Latent Energy Multiplier",
      "coeff_1": 0.026526281,
      "coeff_2": 0.001078032,
      "coeff_3": -6.02558e-05,
      "coeff_4": 1.23732e-06,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Reference Buildings"
    },
    {
      "name": "PSZ-Fine Storage Heating Coil PLF-FPLR",
      "coeff_1": 0.8,
      "coeff_2": 0.2,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "PSZ-Office Heating Coil PLF-FPLR",
      "coeff_1": 0.8,
      "coeff_2": 0.2,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "RestaurantFastFood Kitchen_Case:1_WALKINFREEZERSingleShelfHorizontal_LatentEnergyMult",
      "coeff_1": 0.0236,
      "coeff_2": 0.0006,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "RestaurantFastFood Kitchen_Case:2_SELFCONTAINEDDISPLAYCASEMultiShelfVertical_LatentEnergyMult",
      "coeff_1": 0.026526281,
      "coeff_2": 0.001078032,
      "coeff_3": 6.02558e-05,
      "coeff_4": 1.23732e-06,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "SAC Heating Coil PLF-FPLR",
      "coeff_1": 0.8,
      "coeff_2": 0.2,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "SWH-EFFFPLR-NECB2011",
      "coeff_1": 0.7576,
      "coeff_2": 1.0071,
      "coeff_3": -1.4443,
      "coeff_4": 0.6844,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "SchoolPrimary Kitchen_ZN_1_FLR_1_Case:1_WALKINFREEZERSingleShelfHorizontal_LatentEnergyMult",
      "coeff_1": 0.0236,
      "coeff_2": 0.0006,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "SchoolPrimary Kitchen_ZN_1_FLR_1_Case:2_SELFCONTAINEDDISPLAYCASEMultiShelfVertical_LatentEnergyMult",
      "coeff_1": 0.026526281,
      "coeff_2": 0.001078032,
      "coeff_3": 6.02558e-05,
      "coeff_4": 1.23732e-06,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "Single Shelf Horizontal Latent Energy Multiplier_After2004",
      "coeff_1": 0.0236,
      "coeff_2": 0.0006,
      "coeff_3": 0.0,
      "coeff_4": 0.0,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Reference Buildings"
    },
    {
      "name": "Single Shelf Horizontal Latent Energy Multiplier_Pre2004",
      "coeff_1": 0.020376,
      "coeff_2": 0.00024378,
      "coeff_3": 1.14e-05,
      "coeff_4": 1.811e-07,
      "min_x": -35.0,
      "max_x": 20.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Reference Buildings"
    },
    {
      "name": "Tower_Fan_Curve",
      "coeff_1": 0.0,
      "coeff_2": 0.0,
      "coeff_3": 0.0,
      "coeff_4": 1.0,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From Prototype Buildings"
    },
    {
      "name": "VSD-TWR-FAN-FPLR",
      "coeff_1": 0.33162901,
      "coeff_2": -0.88567609,
      "coeff_3": 0.60556507,
      "coeff_4": 0.9484823,
      "min_x": 0.0,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From PNNL PRM Reference Manual"
    },
    {
      "name": "VarVolFan-AFBIFanCurve-NECB2011-FPLR",
      "coeff_1": -2.4176,
      "coeff_2": 9.5874,
      "coeff_3": -11.559,
      "coeff_4": 5.4009,
      "min_x": 0.68,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "VarVolFan-AFBIInletVanes-NECB2011-FPLR",
      "coeff_1": -4.1457,
      "coeff_2": 16.803,
      "coeff_3": -19.471,
      "coeff_4": 7.8488,
      "min_x": 0.5,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "VarVolFan-FCInletVanes-NECB2011-FPLR",
      "coeff_1": -0.3477,
      "coeff_2": 4.0976,
      "coeff_3": -5.0024,
      "coeff_4": 2.268,
      "min_x": 0.22,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    },
    {
      "name": "VarVolFan-VSD-NECB2011-FPLR",
      "coeff_1": 0.1389,
      "coeff_2": 1.7699,
      "coeff_3": -1.615,
      "coeff_4": 0.6996,
      "min_x": 0.04,
      "max_x": 1.0,
      "min_out": null,
      "max_out": null,
      "notes": "From NECB 2011"
    }
  ]
}