Implemented for


Wagga Wagga Marketplace is the largest retail shopping centre in the Riverina region of New South Wales, containing over 60 specialty stores and an underground carpark. The shopping centre was to undergo a multi-million dollar refurbishment, which included shop fit outs and new air-conditioning.

Implementation Period

May 2016


• Revitalise ageing control system
• Save energy and money


• Implement new air conditioning controls and new BMS
• Integrated existing and new lighting to one user-friendly interface Optergy Enterprise
• Cutover existing carpark exhaust system


• Delivered fully functional system under budget within timeframe


With Wagga Wagga Marketplace expanding to house 40 more shop fit outs and receiving a full air-conditioning makeover, Alerton was contracted to provide controls on 2 new boilers and Chillers, 4 multi-zone and 11 single zone roof mounted AHUs. These would replace the multiple existing systems, controlling multiple ageing package units which were in disrepair and no longer capable of handling the heating and cooling loads in the building.


The existing multiple head ends had fallen into disrepair and gave the centre little to no input into schedule times or set-points for the building which was leading to a great deal of wasted energy and money for the centre with less than ideal conditions. The local mechanical servicing company was limping along old package units requiring permanent hoses attached to keep coil temps low in Summer and manual forcing of Louvres and Dampers in Winter. On the whole it was an unsustainable approach to the upkeep of a shopping centre.


Alerton integrated existing and new lighting onto an Optergy Enterprise head end and cutover an existing Electric Carpark Exhaust system to be included with new air-conditioning controls and power metering in an entirely new Building Management System covering all aspects of the centre.


Alerton was able to complete the project under cost and within the timeframes required to give the client a controls package that would excellently supplement the mechanical installation they had carried out on the building. This left the management of the centre a fully functional system capable of maintaining quality conditions throughout tenancies and mall areas and limiting power use throughout the building.


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