High-airflow server racks designed for Icelandic data centers, enabling free-air cooling, higher density deployment, and low-PUE performance in cold-climate environments. With 100% renewable electricity (hydro & geothermal) and naturally cold ambient temperatures, the country offers an attractive environment for both cost-efficient cooling and sustainability-focused operations. But capitalizing on Iceland's climatic advantage requires more than cold outside air — it. n is a best practice solution that separates hot and cold air streams. However, without a physical barrier, you can still have wrap-around and. Containment refers to physical barriers used in a hot aisle/cold aisle layout that further eliminate the mixing of cold ("supply") air and hot exhaust air. Containment barriers include plastic curtains and Plexiglas sheets that prevent hot exhaust air from flowing over the tops of server racks. Hot and cold aisle containment is a proven strategy to optimize airflow, reduce energy costs, and improve cooling efficiency. Backed by a team with experienced engineers, we work closely with you to build the setup you need, reliable, scalable. Enhance cooling efficiency and reduce energy costs with aisle containment solutions from Server Racks Online.