PECO Air Sealing and Insulation Project * Move insulation in rim joist, air seal rim joist and sill plates, and put insulation back in cavities. * Install new supply take off on supply plenum and return grill on return drop in basement mechanical room. * Remove and inspect 2 supply ducts in basement ceiling to see if they are connected. Make additional recommendations as needed to get more air to main basement room. 2/17/25 Cut in supply take off with damper on plenum to add some heat to basement. Cut in 6”x12” Return grille on return drop. Verified airflow to the (2) registers in the finished basement. Switched dip switch 1-3 to ON for increased low speed heating airflow. (By 18%) Charged for ductwork modifications only.
