Big Green Zero┬« energy efficiency consulting  is based on one simple assumption.

Energy efficiency elephants are best eaten, one bite at a time, through Energy Efficiency Continuous Improvement.

Our mission is reducing energy cost and carbon footprints in commercial buildings. 

Toward that end, we provide software for reducing energy cost, and energy efficiency consulting services.


Our Mission

Copyright 2015 BGZ Corporation

Our eBook, Cashing in on
Energy Efficiency
explores an $800 billion opportunity.

Click the Read More button to download Cashing in on Energy Efficiency. It is a fast read . . . and it's free!.


 Commercial Energy Audits and Consulting

EnergyActio software enables property managers to take charge of reducing energy cost.

Using EnergyActio, they evaluate energy efficiency options for ongoing R&M, TI
and renovation projects.

cashing in