STI is the only training center in Virginia that is accredited through both the Building Performance Institute (BPI) and North American Board of Certified Energy Practicioners (NABCEP). BPI specializes in providing certifications to energy auditing professionals. NABCEP offers certifications and entry level testing in the various renewable energy disciplines. Our diversity in the many knowledge areas of energy-efficiency training is what separates us from the rest! Come and take one of our upcoming workforce training classes to obtain the certification of your choice that will advance your career. Our next BPI Building Analyst class will begin on April 28th and will run 8 hours-per-day until May 2nd (a total of 40 hrs). We will be offering both the NABCEP entry level Solar Photovoltaic (PV) training course and the Solar thermal technology entry level course. These courses will be held on the weeks of May 5th-9th (40 hr Solar PV class) and May 12th and 16th (Solar thermal 40 hr. class). All of our workforce training classes are held from 8am-5pm at our Richmond, VA Wickham Street training center.