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Feasibility study of wastewater energy transfer for an existing campus building cluster

The HVAC-related energy usage of a group of three existing buildings on a Canadian university campus (the “Cluster”) was simulated. Two scenarios were compared: (1) an ambient loop paired with conventional HVAC equipment (boiler plant and cooling tower), and (2) an ambient loop using wastewater energy transfer (“WET”). The study aimed to assess the feasibility of implementing WET as a heating and cooling method for cold-climate institutional buildings, as well as to measure the effects of WET implementation on energy usage, greenhouse gas emissions, and energy costs

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From device to the cloud: approaches and challenges in getting HVAC&R data from remote devices

There is strong demand for HVAC&R monitoring and metering solutions that incorporate cloud data collection and real-time or near-real-time cloud-based control. This is enabled by reductions in the cost of sensors and meters, advances in communication technologies, the development of the Internet of Things (IoT) as a lower-cost alternative to traditionally vertically integrated systems, and the move to more frequent data collection. 

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Planning for carbon neutral in existing buildings

This paper explores the role of optimisation of existing infrastructure, onsite renewable and non-renewable generation, hardware changes and energy-procurement activities in achieving carbon neutral status for a mixed-use building in Melbourne, with consideration to moving electricity and gas grid factors (cost and emissions) across 15 years.

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Next-generation fault detection for commercial building HVAC systems

Modern commercial buildings are becoming more complicated as the number of sensors, actuators and control loops increases. The building management system (BMS) used to control these components will often generate equipment faults and anomalous behaviour, which causes energy waste, thermal discomfort, and drives up maintenance costs. Such system failures may last for a long time before a facility manager or technician notices them. This necessitates the use of automated fault detection and diagnostics (AFDD) tools to detect operational faults and identify their root causes to ensure fault-free operation.

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Moderating the Impact of Integrating Water-Cooled Servers Into Data Centres

Air cooling has worked well for systems that deploy processors up to 150W, but IT equipment is now being manufactured with processors well above 150W where air cooling is no longer practical. The power for one company’s graphics processor unit (GPU) is currently at 300W. Another company produces a CPU announced at 205W and a many integrated cores (MIC) GPU announced at 320W.

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Feasibility study of wastewater energy transfer for an existing campus building cluster

Feasibility study of wastewater energy transfer for an existing campus building cluster

The HVAC-related energy usage of a group of three existing buildings on a Canadian university campus (the “Cluster”) was simulated. Two scenarios were compared: (1) an ambient loop paired with conventional HVAC equipment (boiler plant and cooling tower), and (2) an ambient loop using wastewater energy transfer (“WET”). The study aimed to assess the feasibility of implementing WET as a heating and cooling method for cold-climate institutional buildings, as well as to measure the effects of WET implementation on energy usage, greenhouse gas emissions, and energy costs

Wooden Performance

Wooden Performance

One of three  similar facilities to be built in regional Victoria, the Ballarat GovHub is helping to revitalise the CBD of this regional centre and centralise government services in the area by accommodating up to 1,000 workers. Mass timber is at the heart of the...

Paradigm Shift

Paradigm Shift

Over the past decade the HVAC industry has experienced a maturity in fault- detection diagnostics. From a technical standpoint this has resulted in historical analytics, streaming analytics, forecasting, modelling, and a welter of other innovations changing the way to...

Planning for performance

Reducing emissions and cutting costs is the impetus for a new government initiative.The Australian federal government has commenced work to develop a National Energy Performance Strategy.  “For too long, Australia’s efforts at reducing emissions and cutting energy...

Peak Performance

Peak Performance

A Danish power plant that converts trash to energy just happens to also be a year-round ski slope. Welcome to CopenHill in Copenhagen, billed as the cleanest waste-to-energy power plant in the world. But it’s another aspect of the facility that has really captured...

The enthusiast

The enthusiast

Dr Stephen White, F.AIRAH, has been name the winner of the 2022 James Harrison Medal, AIRAH’s highest individual honour. Ecolibrium broke bread with him about the news.How does it feel to be recognised by winning AIRAH’s highest honour? I feel surprised, humbled,...

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