
Fan Wall Unit
Built for hyperscale.
INTRODUCING OUR FAN WALL UNIT
Built with intensive operations in mind, our Fan Wall Unit solution is a scalable, modular system for hyperscale data centres. With almost two decades of precision cooling experience, we engineered the most important principles into our solution: efficiency and accessibility.
EFFICIENCY AT ITS PEAK
Each Fan Wall unit delivers up to 800kW of cooling, providing unparalleled performance while also reducing overall energy consumption. Perfect for high-density environments where scalability and redundancy are key requirements.
Evolution of cooling.
ENGINEERED WITH INTENTIONALITY
A Computer Room Air Handling (CRAH) unit is an essential cooling component designed for data centres and server racks. Through innovative engineering, our Fan Wall Unit surpasses conventional CRAH technology, utilizing unique horizontal airflow to increase efficiency, reduce hotspots and decrease overall consumption.
USED IN COMBINATION
While FWU is an upgrade over CRAH in capacity and efficiency, both solutions can be combined to optimize cooling in hyperscale data centres. In the same data centre, CRAH units can be assigned to switch rooms while FWU are dedicated to server racks.

ASPECT | CRAH UNIT | FAN WALL UNIT |
---|---|---|
CAPACITY | Max capacity of 260kW per unit. | Offers up to 800kW per unit. |
SUITABILITY | Computer and server rooms. | Hyperscale data centres, high density racks. |
FOOTPRINT | Not stackable, therefore density is constrained by available floor space. | Stackable, therefore density can be increased based on ceiling height. |
PUE | Borderline against local standard PUE requirement. | Efficient system surpasses local standard PUE requirement. |
OPEX | Usually higher than FWU when compared using equal scale and conditions. | Efficient operations and lower consumption contribute to lower OPEX. |
EFFICIENCY | Upthrow or downthrow airflow is less efficient due to air resistance. | Horizontal airflow increases efficiency due to reduced air resistance. |
ADDITIONAL CONSTRUCTION | Downflow configuration typically requires construction of raised floor system. | Not required. |
TCO | Construction of raised floor required for downflow configurations increases TCO. | Construction of raised floor not required, alongside reduced maintenance costs and modular scalability, reduces TCO over time. |

OPTIMISED AIRFLOW Unique horizontal airflow technology reduces hotspots via uniform circulation. |
![]() |
INCREASED DENSITY Compact physical footprint and can be arranged vertically without need for side clearance. |
![]() |
LOWER PUE, LOWER OPEX Efficient operations lead to reduced power usage effectiveness (PUE), resulting in cost savings over time. |
![]() |
Frequently asked questions.
A Fan Wall Unit is a modular cooling system designed for high-density data centres. Its scalable design ensures adaptability for various operational needs. Learn more our in-depth article for further information.
A CRAH Unit utilises chilled water from an external chiller to regulate air temperature, working seamlessly with the Fan Wall Unit to optimise energy efficiency. Explore how CRAH systems enhance cooling performance on our Solutions page.
Our cutting edge Fan Wall Unit offers optimised airflow, lower PUE, and easier maintenance. Its modular design ensures space efficiency and scalability.
Yes, our solutions are highly customisable to meet specific space and capacity requirements. For further assistance, please contact us to discuss your needs.
Regular maintenance involves filter panel checks and servicing of EC fans, ensuring uninterrupted performance.
Resistance occurs when airflow collides with the 90° surfaces in upthrow/downthrow configurations. Horizontal airflow increases efficiency by removing this resistance.
They are ideal for hyperscale data centres, colocation facilities, and 5G edge environments. Discover more about their applications here.
Our Fan Wall Units help decrease operational costs through efficient engineering and therefore reduced power consumption. Learn more about our energy-efficient solutions on our blog.
With nearly two decades of expertise in precision cooling and critical infrastructure, Canatec offers innovative, informed and reliable solutions. Our commitment to customer satisfaction sets us apart. Learn more about our approach on our About Us page.