A conversation with Len Monfredo, Owner, E.M. Duggan and Stephen Affanato, Executive Vice President, New England Mechanical Contractors Association, discussing technology, talent acquisition and the construction outlook in 2018 and beyond. BBJ: We’ll start out with what you see as the biggest trends in construction today. Len, do you want to begin? Len Monfredo: I think the biggest trend is on prefab.