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Hot Aisle Containment: Maximise Data Centre Cooling Efficiency and Cut Energy Costs
Hot Aisle Containment dramatically boosts Data Centre cooling efficiency by separating hot and cold airflow, helping organisations reduce and manage energy costs and improve operational performance. By preventing hot server exhaust air from mixing with cold supply air, it enhances cooling effectiveness—reducing one of the biggest contributors to a facility’s energy bill.
What is Hot Aisle Containment and Why Does it Matter?
In modern Data Centres, managing airflow is critical to maintaining performance, uptime, and energy efficiency. Hot Aisle Containment (HAC) systems isolate the hot aisle—the area where servers expel heated air—and direct it back to cooling systems via a return path such as a ceiling plenum or in-row cooling.
With cooling accounting for up to 40% of a Data Centre’s energy consumption, optimising airflow with Hot Aisle Containment can deliver substantial energy savings and lower operating costs, all while ensuring equipment stays within safe temperature thresholds.
Unlike Cold Aisle Containment, which encloses the cold supply air, HAC focuses on capturing and managing the heat—delivering superior cooling efficiency in many applications.
Types of Hot Aisle Containment Systems We Offer
Suspended HAC Systems
EDP’s Suspended Hot Aisle Containment (HAC) systems are engineered to efficiently channel hot exhaust air from the rear of IT cabinets directly back to the cooling system—maximising thermal efficiency and reducing energy consumption.
Designed for direct attachment to a Data Centre’s structural ceiling grid or slab, our suspended HAC solutions eliminate the need for floor-mounted infrastructure, allowing for greater flexibility in rack layout and airflow management.
Featuring a modular framework with height-adjustable cantilevered outriggers, EDP’s suspended systems seamlessly integrate with other overhead services—supporting scalable, future-ready deployments.
EDP’s Customisable Containment Solutions
EDP’s Hot Aisle Containment is uniquely rack-independent and fully customisable. Whether for new builds or retrofitting within existing infrastructure, our experienced in-house design and delivery teams follows a rigorous 50-step delivery process to ensure a seamless, high-performance installation.
Compatible with all rack sizes, makes, and models
- Suitable for retrofit, new build, colocation, and hyperscale Data Centres
Designed and manufactured in the UK
Installed across the UK, Europe, and USA
- Fully modular and scalable
Floor-mounted or ceiling-suspended options available
Floor Supported Systems
- Self-supporting structure that does not rely on ceiling or overhead infrastructure
- Modular and scalable design to accommodate varying rack configurations and data center layouts
- Fully enclosed hot aisle using doors and roof panels to isolate and redirect contained exhaust air
- Improved cooling efficiency by directing hot air to CRAC/CRAH units without mixing with cold air
- Easy deployment and relocation, ideal for retrofitting existing spaces or phased implementations
Solutions with In-Row Cooling
This configuration features in-row cooling units integrated directly within the cabinet rows. Hot air generated by the equipment is captured, cooled, and then reintroduced to the cold aisle to maintain optimal operating temperatures.
Key Features:
- Complete hot aisle enclosure with doors and roof panels
- In-row cooling units provide precise temperature control
- Conditioned air is efficiently recirculated throughout the Data Centre
Elevate Your Data Centre Efficiency with EDP Aisle Containment Systems
Unlock the full potential of your Data Centre with EDP’s expertly engineered aisle containment solutions—designed to maximise cooling efficiency, reduce energy costs, and future-proof your infrastructure.
Engineered in the UK. Trusted Worldwide.
Manufactured in the UK and supported by skilled installation teams across the UK, Europe, and the USA, we deliver global reach with local expertise.Flexible, Scalable, Future-Ready.
Our modular systems grow with your needs—whether floor-mounted or ceiling-suspended, they adapt seamlessly to any environment.Complete Turnkey Solution.
Rack-independent and ready to deploy, our systems streamline installation with minimal disruption.Tailored to Fit. Built to Perform.
Custom-designed to work around obstacles, accommodate varying rack heights, and support future expansion—ensuring perfect integration every time.Access Made Easy.
Our premium zero-threshold synchronised sliding doors open fully to the aisle width—delivering smooth, reliable access with a sleek, professional finish.
Partner with EDP—and power your Data Centre with precision-engineered performance.
Features & Benefits
Features & Benefits
- Hot Aisle Containment systems are not dependant on the Data Centre having a raised floor.
- Hot Aisle Containment provides a higher thermal mass which is returned to the cooling system making it operated more efficiently.
- As the hot aisle is contained it makes for a more comfortable room temperature.
- As the entire room is filled with cold air there is more volume air available for cooling equipment.
- Bespoke design enables obstacles to be considered and resolved.
- Aisles can be designed to accommodate future rack deployments.
- Advanced door system with greater stability and full aisle opening for improved access.
- Chimney can be designed to integrate to existing ducting.
- Hot Aisle Containment is becoming increasingly more popular within new build and hyperscale projects.
