Mr. Sonne has over 24 years of experience conducting building energy efficiency research at FSEC. Recent activities include heading a residential ventilation effectiveness and failure rate Code study and a residential airtightness and ventilation literature review. Other projects he has led include a statewide Florida Energy Code compliance training project, a monitored residential air conditioner sizing study and a green roof demonstration project. He has also served on two Florida Building Commission efficiency sub-committees. His teaching and speaking experience includes topics such as building science, building performance testing, energy modeling and the residential Florida Energy Code. Jeff has a Bachelor of Science in Mechanical Engineering from Auburn University and a Bachelor of Arts in Liberal Arts Engineering from Wheaton College.