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Installation

"Incompatible version of the RPC stub" Message
Information for IT Administrators
Installation file: "Unknown file type" or "Open with" dialog box
Installation Problems
Locked Files with Install/De-install
Microsoft Vista and Windows 7 Operating System Issues
Minimum Computer Requirements
Program Crash at Startup
Registration Issues: Can't Remember Account Password
Reporting Computer System Info to LBNL for Troubleshooting
Trouble Loading Optics5.dll Error

Known Bugs

Berkeley Lab WINDOW Does Not Start Optics6
Environmental Conditions — Fixed combined coefficient bug
Environmental Conditions — Kimura convection model not working
Environmental Conditions — NFRC summer gives wrong glass temperature results
Error Message During Calc Due to Decimal Point of ","
Export Database Function Gives Error
Export Database Has Wrong Window Types
Exporting One Glass Record to a Berkeley Lab WINDOW Database
Glass Layers Not Imported Properly From Optics User Database (W7.1.32)
Glazing System Gap Thickness Changes Moving Between Records
Glazing System Non-Convergence Error Message
Glazing System — Only one BSDF layer allowed
Help / Check for Updates not working
Importing THERM File into Berkeley Lab WINDOW Generates "Unnamed file has a bad format" Error Message
Non-Opaque Venetian Blind +90 Calculation Error
Radiance Error Message That It is Not Installed
Thin Dividers May Not Display in the Window Library
Window Library calculations with shading systems are not saved (WINDOW 7.8.28)

Cautions

DO NOT MODEL Shading Systems with EN 673 Thermal Model
Glass Library
Hcin Less Than Zero for CEN Boundary Conditions
Importing THERM Files
Long THERM Names Crash Berkeley Lab WINDOW
Window Library

DOE-2

DOE-2 Input File From WINDOW 5
DOE-2 Input File Notes

EnergyPlus

Berkeley Lab WINDOW 5 Input File for EnergyPlus

NFRC

Comparison of WINDOW 5 / THERM 5 and WINDOW 6 / THERM 6 Results for Specular Glazing Systems
NFRC Procedures for Applied Films
NFRC Procedures for Laminates
Window LIbrary: Window Types

Complex Glazing Modeling

Complex Glazing Features for Berkeley Lab WINDOW6
DOE-2 and EnergyPlus
Frit Bug
W6 Database with Frit Records

Tips

Automatic IGDB Update Feature in WINDOW 6 and 7
Berkeley Lab WINDOW 5.2 Database
BSDF Files for Radiance Renderings
Detailed Berkeley Lab WINDOW Output
Discontinued Records or Reused NFRC IDs
EN 673 / 10077 — Using Berkeley Lab WINDOW and THERM for EN 673 calculations
Exporting Berkeley Lab WINDOW 4.1 Spectral Data Text Files from Berkeley Lab WINDOW 5
Generating BSDF XML Files
Glass Color in WINDOW
Glazing System Height
Glazing System — Outside to Inside Layer Convention
IGDB Update in Older Versions of WINDOW 6 and 7
Import Glass Layers from Optics User Database
Import Records from Older Version of WINDOW
Laminated Glass
Making a Laminate in Optics
Migrating Berkeley Lab WINDOW 5 databases to Berkeley Lab WINDOW 6
Optics User Database
Project Databases
Special Gases Library
Using EN 410 Optical Standards File with Berkeley Lab WINDOW
Using WINDOW 7 in Command Line Mode
UV Transmittance Values Reported in Berkeley Lab WINDOW
Window Library — CR Calculation Warning

Program Changes

Algorithm Changes From Berkeley Lab WINDOW4.1 to Berkeley Lab WINDOW5
EN 673 / ISO 10077 — Using WINDOW and THERM for EN 673 / ISO 10077 Calculations

Troubleshooting

AutoCAD Related Error Message
Registering DLL and OCX Files

New Features

Cellular / Honeycomb Shades
Chromogenic Glass Layers
Deflection Modeling
Perforated Screens
Using an XML BSDF File to Define a Complex System
Vacuum Glazings
Vertical Venetian Blinds

General

General DLLs
LBNL DLLs

Chromogenic Manufacturers

Chromogenic Layers -- Update the Glass Library after updating from the IGDB
Example Thermochromic
Halio Electrochromic
Pleotint Thermochromic
Ravenbrick Thermochromic
Sage Electrochromic
View Electrochromic