Duct Sizing Calculator Link?

[beachwalker]

Can anyone recommend a link to a free duct sizing spreadsheet or calculator?

I would like to double check my systems. I found load calc info, but not duct sizing. Thanks.

[Carnak]

http://www.hvacware.net/engrproj.html

[beachwalker]

Only 7 minutes to get an answer?.... gee, what took so long? Thanks

[Carnak]

5 minutes and you're welcome