Dirt encrusted evaporator coil Dirty, moldy plenum Plenum after cleaning Dirty plenum Dirty ceiling register with growth rat-infested duct system with rat feces Plenum with mold growth Before duct cleaning After duct cleaning 1 year old home post construction BEFORE cleaning 1 year old home post construction AFTER cleaning 1 year old home post construction BEFORE cleaning 1 year old home post construction AFTER cleaning
