What containment system is used to keep hot air within data halls, typically made of polycarbonate panels installed over a racking grid, with hot aisles and roof exhaust fans?

What containment system is used to keep hot air within data halls, typically made of polycarbonate panels installed over a racking grid, with hot aisles and roof exhaust fans?

• A. Integrated Systems Testing (IST)
• B. Hot Aisle Containment (HAC)
• C. Level 2 (L2)
• D. Handoff to Commissioning (H2C)

Answer: (B)

Keeping hot air from mixing with the cold supply air is the key idea. Hot Aisle Containment creates a dedicated barrier around the hot aisle, often using polycarbonate panels laid over a racking grid, so the hot exhaust stays in that space. Roof exhaust fans then pull this heated air out of the data hall, improving cooling efficiency by maintaining a clear separation between hot and cold air paths. Other terms here refer to testing phases or project milestones rather than a physical containment solution, so they don’t describe how hot air is contained in the data hall.

Keeping hot air from mixing with the cold supply air is the key idea. Hot Aisle Containment creates a dedicated barrier around the hot aisle, often using polycarbonate panels laid over a racking grid, so the hot exhaust stays in that space. Roof exhaust fans then pull this heated air out of the data hall, improving cooling efficiency by maintaining a clear separation between hot and cold air paths. Other terms here refer to testing phases or project milestones rather than a physical containment solution, so they don’t describe how hot air is contained in the data hall.