This quiz refers to the Building Retuning overview in Building Re-Tuning™ Training: Providing Energy Saving Solutions through Interactive e-Learning from the winter/spring 2017 issue of the BOC Bulletin and the online building re-tuning training lessons it references. By this time you have reviewed the five lessons we selected from the Building Re-tuning online training to serve as the basis for the tech quiz for this issue. Taking and successfully passing this quiz can earn you one maintenance points toward renewal of your BOC credential.