A cold aisle containment system is a budget-friendly option. Discover how hot and cold aisle containment revolutionizes cooling efficiency, cuts energy costs by up to 40%, and extends equipment lifespan. I break down ASHRAE's latest guidelines and settle the HAC vs. This traps the cold air directly in front of the racks, ensuring that servers always receive consistent inlet temperatures. Total yearly investment for enterprise data center cooling systems can easily be in the $100,000s, while. Hot aisle containment includes doors on the ends of the hot aisle and a configuration of baffles and duct work from the hot aisle to the returns of the cooling units. In Uptime Institute's 2024 Global Data Center Survey, more than half of respondents said their most recent major outage cost over $100,000, with one in five reporting losses above $1 million.