Boston Solar is the #1 residential solar company based in Massachusetts, with more than 5,000 installations in 11 years. We also offer roofing replacement services. We are proud to power Massachusetts, a state that continues to lead the nation in solar installations. We provide superior products, exceptional customer service, and the highest quality workmanship. Now we also offer a Production Guarantee on your residential solar system. Our Production Guarantee offers assured energy production over the first ten years that your system runs — or we’ll pay the difference. Boston Solar also offers year-round roofing installation services on all types of asphalt roof replacement products. Our installation team is a 5-Star CertainTeed Select shingle master roofing contractor. Boston Solar is dedicated to helping customers save money while improving the environment and supporting our local community. Every member of our team is focused on delivering the best experience for every customer. Are you ready to join your neighbors as they take part in the national drive toward energy independence? Learn more about why Boston Solar is the best choice for your home or business. Solar. Savings. Made Simple!