DCM2 unable to complete; (2) F20251 and (4) F20252 replaced. A35 belt replaced. Building has a rodent infestation. Identified locations that looked like exterior lining of ducts had been chewed and a location were insulation has been chewed. There is probably a combined 20 feet of ductwork above the ceiling. When you move a ceiling tile, rat excrement falls out of the ceiling, every time. Recommend Comfort Specialist Send photos to Lynn Brown, office manage. Email listed in contacts