Free, open to all, Green Building Course. Take it now.

http://www.nachi.org/greenbuildingcoursereleased2007.htm

Great Course!
Just finished it.

Very informative and professionally done.
Thats why I keep comming back to NACHI.org

Ive been pluging away at this course for 6 hours not 1/2 way through yet.

It’s a big one.