HVAC Excellence, a founding member of the Green Mechanical Council, will add green technology and additional energy-efficiency questions during this year’s review of its exams. It also has added a combustion analysis to its Professional Level and Master Specialist certifications to help technicians understand how to reduce fuel consumption and maximize efficiency. The group is also challenging the industry to reduce HVAC energy consumption by 12 percent in three years. For more information, visit www.hvacexcellence.org.