uSI2uIP - [source code] Use this component to convert U-Values in SI (W/K·m2) to U-Values in IP (BTU/h·ft2·°F). Inputs U_SI [Required] A U-Value in SI (W/K·m2). Outputs U_IP The U-Value in IP (BTU/h·ft2·°F). Check Hydra Example Files for uSI2uIP