Headquartered in Orlando, we are the largest Florida-based energy performance and testing contractor serving residential, multifamily, and commercial projects. Simply put, we help developers and builders construct better buildings. We serve residential construction projects and commercial buildings throughout Florida, including Orlando, Tampa, Sarasota, and Boca Raton. 15 lightyears was founded as a social enterprise using business as a force for good. We believe that a more informed community leads to a better community and a healthier planet. That's why our mission is not only to assist builders in constructing better homes but also to inspire, engage, and educate the public about energy efficiency, renewable energy, and green building practices. Licensed Electrical Contractor: EC13005057 RESNET Energy Rater Generac & TESLA Authorized Dealer