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University challenge Victoria University engaged Applied Energy Saving Solutions (AESS) to conduct an energy audit of its Nicholson Campus at Footscray.
AESS found that the domestic hot water system in one of the campus buildings was provided by a calorifier, which was connected to the space heating boiler. The large domestic gas boiler and its big primary and secondary circulating pumps had to run during summer to meet only the small domestic hot water load in the building by heating the water inside the calorifier. Because of this inefficient design, and also the low efficiency of the old calorifier, AESS proposed separating the domestic hot water circuit from the space heating boiler circuit and installing a solar hot water system with gas boosters. This would replace the old calorifier to supply domestic hot water to the building.
The webpage features five sections: Connected communities, Built environment, Data and integration, Team processes, Member services, and Resources.
AESS estimated that implementing this recommendation would save 87,390MJ in gas consumption annually, and 8,240kWh in electricity. This is equivalent to avoiding around 13.4 tonnes CO2 emissions.
Hayter leads a Vision 2030 team of 18, including fellow Presidential Fellow Thomas H. Phoenix, who is Vice‑Chair of ASHRAE Vision 2030.
Victoria University decided to implement the recommendation. AESS specified evacuated tube solar collectors for this project, due to their high efficiency compared to flat plate collectors. The mechanical contractor, selected by Victoria University, carried out the detailed design for this project and completed the installation last year. ❚
Go to ashrae.org/vision2030. ❚
A better future through refrigeration The International Institute of Refrigeration (IIR) has published its first Activity Report, emphasising the essential role of refrigeration at the heart of the United Nations Sustainable Development Goals (SDGs). The SDGs are considered a blueprint to achieving a better and more sustainable future for all. “Naturally, global sustainability cannot be achieved without refrigeration, as it is present in most past, present, and future areas of human activity,” the IIR says. “It is absolutely necessary for life, and accounts for nearly 20 per cent of the world’s electricity; a figure that is constantly increasing. Aligned with the institute’s ethos of “Refrigeration for sustainable development”, the Activity Report 2020 provides an overview on how the IIR’s work is linked to the SDGs.
ASHRAE’s long view
“The report details how the IIR has clearly set its strategy and actions within the framework of the sustainable development of the refrigeration sector,” the IIR says of the Activity Report. “In concrete terms, this has resulted in new agreements with various international bodies and the drafting of documents of general interest to promote the role of refrigeration in this perspective.”
US engineering body ASHRAE has launched its Vision 2030 webpage.
The organisation says its Vision 2030 is about providing professionals in the building industry with the resources to drive the innovative and strategic improvements needed to foment the revolution of the built environment. “The Vision 2030 webpage provides guidance to support intelligent design, construction, and operation for a more adaptable and resilient built environment,” says 2018–19 ASHRAE Presidential Member and Vision 2030 Chair Shelia J. Hayter. “We believe that the contributions of the Vision 2030 team will serve as a powerful resource to industry professionals and the general public alike.”
Go to iifiir.org/en/iirpresentation ❚
J U N E –J U LY 2021 • ECO L I B R I U M 55
