Specifications include, but are not limited to: A Navajo Nation Services Contract with a responsible and qualified independent contractor to provide comprehensive heating ventilation-air conditioning HVAC/Swamp/Furnace inspection, maintenance, and repair services for all NHS classroom buildings. A services contract will be executed for a period of three (3) years. • All services with preventive maintenance, minor/major repairs, and monitoring of the HVAC/Swamp/Furnace systems for each of the NHS classrooms. • Contractor shall provide personnel that is/are certified and proficient in the complete maintenance and repair of heating/cooling units, ventilation fans, air handlers (ducts) and a variety of HVAC/Swamp/Furnace units. • Service levels shall provide the ability to respond immediately to situations involving the health and safety of the employees. Response time preferably within twenty-four (24) hours or sooner. • Provide labor, supplies, parts, and equipment for the comprehensive assessment on the HVAC/Swamp/Furnace services.