Which division in the specification book includes details about the HVAC system?

The correct choice delves into the organization of construction specifications, particularly focusing on the division that pertains to heating, ventilation, and air conditioning systems. Division 15 is specifically designated for Mechanical systems, which encompass HVAC services. This division outlines the necessary components, installation processes, and operational standards relevant to heating and cooling systems, ensuring that they meet industry regulations and perform effectively within a building.

In this context, understanding the structure of specification divisions is crucial for sheet metal workers, as it allows them to locate essential information about the materials and techniques required for HVAC installations. Whether dealing with duct fabrication, system layout, or integration with other building systems, familiarity with Division 15 enables professionals to execute their tasks with precision and adherence to industry standards.