Several types of injury occur during construction. Those covered under other sections are grade changes and soil compaction. The other type of injury is mechanical injury to trunks. If the injury is minor, the tree will heal the wound with no difficulty. A major bark removal may kill some portion of the tree. Several wounds may girdle and kill a tree.
Air conditioners need room to take in and exhaust air and should have at least 18 inches of clearance from furniture, plants, and drapes. If the air cannot circulate around the unit, heat may build up and cause damage to the coils.