{ "175785": { "retrofit_types": ["construction", "windows", "infiltration"], "wall_u_value": 0.2, "roof_u_value": 0.15, "ground_u_value": 0.18, "infiltration_reduction": 30, "window_u_value": 0.8, "window_g_value": 0.4 }, "176293": { "retrofit_types": ["windows"], "window_u_value": 1.3, "window_g_value": 0.5 }, "182393": { "retrofit_types": ["infiltration"], "infiltration_reduction": 25 } }