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Raised Floor vs Overhead Cooling: Which Delivers Better Results in 2026
Raised floor cooling is not dead, but it is not right for every facility. Here is how raised floor and overhead cooling compare on performance, flexibility, and cost in 2026.
Containment in Colocation: Who Pays, Who Benefits, and Who Decides
Containment in colocation stalls because providers bear the cost and tenants capture the benefit. Here is how to break the deadlock with practical cost-sharing models.
Containment Retrofits: Real Costs, Timelines and Results
Retrofitting containment into a live data centre is complex. Here is what the project actually involves: costs, timelines, phased installation, fire suppression review, and measured results.
Hot Aisle vs Cold Aisle Containment: The ROI Numbers Nobody Talks About
Containment improves PUE and cuts cooling costs, but most articles skip the financial framework. Here is how to calculate real ROI for your facility.
Blanking Panel Materials Compared: ABS Plastic vs Steel vs Foam
ABS, steel, and foam blanking panels each perform differently on fire safety, reusability, and long-term cost. Here is how to choose the right material for your data centre racks.
Liquid Cooling vs Air Cooling: Where Blanking Panels Still Matter
Liquid cooling does not eliminate the need for blanking panels. Hybrid facilities, rear-door heat exchangers, and AI transitions all depend on proper airflow management.
The Compliance Gap: Fire Ratings and Safety Standards for Data Centre Rack Accessories
Most data centres invest in fire suppression but never check the fire rating of the blanking panels inside their racks. Here is how to close the compliance gap.
How Long Do Blanking Panels Actually Last? A Product Lifespan Analysis
Blanking panels fail when material, mounting design, and environmental conditions work against them. Here is how to predict lifespan and calculate the real lifecycle cost.
The Role of Brush Grommets in Cable and Airflow Management
A brush grommet is a bristle-lined seal installed at cable entry points in raised floors, server racks, and enclosures. It allows cables to pass through openings while blocking conditioned air from escaping, preventing dust ingress, and protecting cable jackets from...
Cold Aisle vs Hot Aisle Containment: Which Is Right for Your Data Centre?
Neither cold-aisle containment nor hot-aisle containment is universally superior. Cold aisle containment (CAC) encloses server intakes to protect the conditioned air supply, while hot aisle containment (HAC) captures exhaust air and returns it to cooling units. The...
How to Reduce Thermal Recirculation Without Adding More Cooling Units
How to Reduce Thermal Recirculation Without Adding More Cooling Units Thermal recirculation occurs when hot exhaust air from server racks returns to server intakes rather than being routed to CRAC or CRAH units, raising rack inlet temperatures and reducing effective...
How Directional Airflow Floor Tiles Improve Cooling Efficiency
Directional airflow floor tiles are engineered raised floor components that channel cold air precisely toward server rack intakes, reducing wasted cooling capacity and eliminating hotspots in data centre environments. Unlike standard perforated tiles that disperse air...
What Is a Blanking Panel? Thermal Function, Sizes & Use Cases
A blanking panel is a modular rack insert, typically 19-inch or 23-inch wide, designed to seal unused rack units (U) in server cabinets, preventing hot exhaust air from recirculating into cold intake zones and eliminating energy-wasting bypass airflow. In modern data...
How Do AI Data Centres Manage Heat in High-Density GPU Clusters?
AI workloads are redefining the thermal design requirements of data centres. When clusters consist of thousands of GPUs operating simultaneously, heat becomes a performance constraint, not just a facilities concern. The scale of energy consumption, thermal output, and...
How Do Hyperscale AI Companies Like Nebius Manage Thermal Optimization?
Hyperscale AI infrastructure operates at a level where thermal inefficiency directly converts into financial loss. When thousands of GPUs are running in parallel, even small variations in airflow, cooling distribution, or rack-level containment can compound into hours...
How to Configure Floor Tile Dampers for High-Density Server Zones
To configure floor tile dampers in a high-density data centre environment, calculate the cooling airflow needed per rack using its power load and temperature delta (ΔT), select a compatible airflow tile based on open area and directionality, install it in the cold...
How to Reduce Cold Spot Formation in Under-Loaded Server Rooms
Cold spots in under-loaded server rooms reduce efficiency because cold air bypasses equipment instead of cooling active hardware. The fastest way to eliminate them is to apply airflow discipline by aligning racks in hot/cold aisles, installing blanking panels in...
The Future of Data Centre Cooling: Trends for 2025 and Beyond
As the demand for high-performance computing accelerates across industries, data centres face a mounting thermal challenge. The rise of artificial intelligence workloads, dense server architectures, and edge computing environments has reshaped what efficient cooling...
