"One thing they mentioned may have saved me almost $80,000… Sustaine did a thorough job. I trust their opinion."
Mike McGregor
Soft Power Sweets
“Sustaine removes the high-pressure sales that might happen with installers and allows the property owner to weigh proposals ‘apples-to-apples.’ ”
Jennifer O'Donell
Stone Dock Golf Course
“Sustaine simplified everything, helping us get 100% local clean energy, while also securing a 10% discount on our electric bill.”
Ben Sosne
Berkshire Innovation Center