The Contractor shall repair or replace all worn, failed or doubtful components and parts, including tube/coil failures - regardless of cause, to ensure satisfactory operation of the air conditioning and ventilation systems. Replacement parts shall be of similar design and quality to maintain system integrity and serviceability. The Contractor is responsible for the electrical and control portions of each unit from and including the circuit breaker in the electric panel, including all electrical problems except electric utility power problems, which the Contractor must substantiate. The Contractor shall perform complete maintenance and repair service, including inspections and trouble calls for all equipment included in this contract. The service shall consist of thorough maintenance work in accordance with the best commercial practices governing the maintenance of air conditioning systems. Such service shall include regularly scheduled maintenance tasks and inspections for each unit listed herein. All maintenance services shall be as specified and shall be subject to inspection and approval by the Contract Administrator (CA). The guaranteed full-service maintenance contract shall not relieve the Contractor from performing the specified scheduled maintenance services. During the period between October 2023 and September 2024, Group III experienced an average of ten (10) trouble calls per month.