A very good tool is DView. I know it does EPW files and EPW CSV files. Not sure if it can handle others. http://www.mistaya.ca/software/dview.htm Linda -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.onebuilding.org/pipermail/bldg-sim-onebuilding.org/attachments/20111012/d8c444db/attachment.htm>