Sean Jeffords

Owner, Beyond Green Construction, age 39

They’re called ‘deep energy retrofits.’

That’s the name that’s been assigned to projects that bring 18th-, 19th-, and 20th-century buildings into the 21st century, at least when it comes to energy efficiency and ‘green’ practices. And that adjective ‘deep’ means that these endeavors go much further than conventional energy retrofits, and they achieve far greater energy savings.

Such retrofits have become a growing component of the portfolio for Easthampton-based Beyond Green Construction, a venture that founder and owner Sean Jeffords, the highest scorer in this year’s 40 Under Forty competition, has positioned for solid growth as demand continues to soar for reduced greenhouse-gas emissions and more (Read More at