address: 65 Landsdowne St, Cambridge, MA 02139
description_raw: Demo existing duct per plans back to the Risers on level 4 & back to the existing Fan Power boxes on Level 2.Install new main trunks of duct, Exhaust & Supply Boxes, New Diffusers, HEPA diffusers/filters on both Level 2 & 4. Utilizing 7 new VAV's the rest are existing to remain.