Event AC hire supplied to Nussli at the North Greenwich Arena.

Another Olympic project that was specified and delivered at short notice for the games. ACS were contracted by Nussli Switzerland to supply an air conditioning hire system for a temporary structure- a tunnel was built to allow athletes covered air-conditioned access from the training area to the arena.

Different air conditioning hire systems were looked at for the tunnel cooling including, split PAC, ducted air, and internally fitted air handling systems. It was decided that internally mounted chilled water AHUs would provide the most cost effective cooling system.


event ac
The four 20kw air handling units installed into the tunnel.


Four 20kW on-hire AHUs were installed with a 80kW chiller as base plant for the tunnel cooling system. Reinforced rubber hose with Cam-loc connection system was used for water distribution.
Temperature control was adjustable locally at the air handling units giving the client complete control over the internal climate.

The system operated though-out the games remaining reliable at all times. No call backs were needed to this system.


This type of system is very compact and powerful. The air handlers can be installed directly into the areas requiring cooling. Their high cooling capacity, small footprint and pleasing aesthetics suite them perfectly to this type of work.

The chilled water system was designed to be maintenance free due to limited access during the games. An oversized expansion vessel was fitted to maintain pressure in the chilled water system for the duration- reliable, low maintenance air conditioning hire.


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