Quarterly Preventative Maintenance of Roof Top HVAC Units and Annual Inspection of Alarm System Alarm Systems and HVAC Inspection Alarm System Annual Inspection Roof 001 Trane J3254774: Preventative Maintenance - Quarterly -Inspect condensor or cooling elements. -Inspect control box, associated controls, wiring and connections. -Clean or replace air filter. -Remove and add refrigerant -Inspect conditioned airflow system (ductwork)—check for leaks. Roof 002 Trane J3254775: Preventative Maintenance - Quarterly -Inspect condensor or cooling elements. -Inspect control box, associated controls, wiring and connections. -Clean or replace air filter. -Remove and add refrigerant -Inspect conditioned airflow system (ductwork)—check for leaks. Roof 003 Trane J3254776: Preventative Maintenance - Quarterly -Inspect condensor or cooling elements. -Inspect control box, associated controls, wiring and connections. -Clean or replace air filter. -Remove and add refrigerant -Inspect conditioned