Specifications include, but are not limited to: Annual service inspections of air conditioning and ventilation systems are to be performed between April 1st and May 15th (Spring Start-up) of each Contract year. The Contractor must schedule a visit for annual service inspections & start up with each House Manager (HM), prior to service to ensure access to the residence. A schedule of annual service inspections must be submitted in writing to the Plant Superintendent at the beginning of the contract. The day of the service visit must have appropriate temperatures to enable service provision. Contractor shall utilize preventive maintenance directions, which indicate task functions to be performed on each scheduled service call.