Basic Quarterly Maintenance for equipment outlined in the attached Sources Sought notice- to include refrigerators, ice machines, freezers and air conditioner units. Services shall be performed on a q... Basic Quarterly Maintenance for equipment outlined in the attached Sources Sought notice- to include refrigerators, ice machines, freezers and air conditioner units. Services shall be performed on a quarterly basis by a licensed HVAC technician. Emergency repairs shall also be a part of this requirement if a need arises. See attached for Statement of Work and details for this requirement including instructions on how to submit a response.