Specifications include, but are not limited to: Preventative maintenance and repair/replacement services for NHES heating, ventilation, and air conditioning (‘HVAC’) system at the Tobey Building in Concord, New Hampshire, to include all controls, direct exhaust units, and any applicable units that may be incorporated in this NHES location. Work will consist of labor, tools, equipment, materials, products, and transportation necessary to provide preventative maintenance and repair/replacement services for the NH Employment Security (NHES) Tobey Building Ice Generation and Storage Chiller Plant System: Trane Tracer SC; Chiller Plant, including air cooled chiller, pump house, chiller plant controller, dry cooler and ice storage system and Air Handling Units with Trane CDQ technology.