Trinity Solar It was 2004 when Trinity Heating and Air, Inc. became Trinity Solar, bringing a decade of experience and well-earned accolades to the solar industry. Since then, Trinity has installed over 4,000 solar power systems equating to over 35 MWs, grown to approximately 400 employees, has become the largest solar provider in New Jersey, and is now one of the top solar providers in the nation. Headquartered in Wall, NJ. Providing expert installations in NJ, MA, CT, MD, DE, and Long Island.