Do a complete energy audit of your business with this easy to learn and use program. Evaluate effective energy saving projects like changing roof or wall color, attic ventilation, and window Shades. The program does peak and annual loads. The program is written by a national authority on energy conservation. A free abridged edition of the author's textbook "Retrofitting for Energy Conservation" is on the Company web site at inviticus.com There is also a bin analysis plug-in to BDS there, for free.