Specifications include, but are not limited to: Qualified and licensed Contractors to provide HVAC maintenance services for DLLR’s Eastern Shore Regional Call Center located at 7161 Westwood Drive, Salisbury, Maryland 21801. The contractor shall furnish all supplies, materials, labor, supervision, tools, equipment, insurance and permits necessary to provide total maintenance service and repairs on all heating, ventilation, and air conditioning systems and their associated electronics, electrical and systematic controls. This work shall include, but not be limited to all air handlers, duct work, chillers, condenser pumps, chilled water pumps, compressors, exhaust fans, return air fans, motors, water systems, heat water pumps. This contract includes water treatment, according to industry standards for closed system heating water and chilled water.