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Cooling tower notification

Cooling towers provide cooled water for air-conditioning, manufacturing and electric power generation.

They can be either direct (open circuit) and indirect (closed circuit) heat rejection.

A direct, or open-circuit cooling tower is an enclosed structure with internal means to distribute the warm water fed to it over a labyrinth-like packing or "fill." The fill may consist of multiple, mainly vertical, wetted surfaces upon which a thin film of water spreads.

An indirect, or closed circuit cooling tower involves no direct contact of the air and the fluid, usually water or a glycol mixture, being cooled. In a counter-flow cooling tower air travels upward through the fill or tube bundles, opposite to the downward motion of the water. In a cross-flow cooling tower air moves horizontally through the fill as the water moves downward.

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How to apply

Notify cooling towers/ evaporative condensers online Notify cooling towers/ evaporative condensers online

You must complete the application form in full.  There is no fee to pay. 

Tacit consent

We have a target completion period of 2 days for this notice.  We aim to acknowledge your application and to begin processing it with in this period.  If you have not heard from us by the end of the 2 days you will be able to act as though your application is granted.

Please note that this target period only begins on receipt of a complete application including any supporting documents and payment.


We hold a public register of all cooling towers registered with us.


If you have any problems with your application or would like more information then please contact us on 01792 635600 or email

Notify cooling towers/ evaporative condensers online

You can use this form to notify us of any cooling towers or evaporative condensers at your premises.

Register of cooling towers

We licence cooling towers and evaporative condensers across the county. Our register includes the location and details of what is licensed.
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