HVAC Preventative Maintenance Roof 001 Daikin QRS990 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 QRS990 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 QRS990 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 airflow system (ductwork)—check for leaks. Roof 004 Trane QRS990 J3254777: Preventative Maintenance - Quarterl