HVAC

Dave Peall, M.AIRAH, discusses his work on the “radical” idea of using water as a direct expansion refrigerant.

Sonia Holzheimer, M.AIRAH, reflects on the good, the bad, and the ugly misunderstood aspects of AS 1668.2.

AIRAH’s Commissioning Special Technical Group (STG) discusses two common issues in HVAC commissioning: communication struggles and a lack of formal documentation.

A program in South Australia’s APY Lands is retrofitting housing to study how homes can withstand one of the world’s harshest climates.

With a global shortage of copper looming, could aluminium cable be a safe and cost-effective substitute for low voltage underground power supply? Lasath Lecamwasam and Martin Lynch investigate.

When Dr Mali Rezaei moved into a one-bedroom rental in Melbourne’s southeast in 2021, she had no idea how severely her life would be affected by mould.

William Lane, F.AIRAH, makes the case for how formal accreditation could improve commissioning practices across Australia’s HVAC and building services sectors. 

We’ve all heard the saying “hot air rises”. Daniel Bonatti, M.AIRAH, explains why this phenomenon occurs, how our understanding has evolved over time, and what it means for practical applications in building design.

Ecolibrium speaks with Brad Prezant, Affil.AIRAH, instructor of the Institute’s new short course on ASHRAE Standard 241. 

Cutting-edge HVAC and BMS design played a huge role in the Canberra Raiders’ redevelopment of their spiritual home at Northbourne Oval. Here’s how the state-of-the-art project unfolded.

This paper discusses the growing importance of external CFD in evaluating and optimising rooftop mechanical layouts for high-density data centres.

This paper by Alemu Tiruneh Alemu, M.AIRAH, and Julian Hudson, M.AIRAH, explores sustainable HVAC solutions by focusing on electrifying heating with heat pumps and operational cooling and heating efficiencies.

The award-winning upgrade to Goondiwindi Hospital’s HVAC system has helped future-proof one of regional Queensland’s most important healthcare hubs.

Nick Johns-Wickberg discovers how a heat monitoring tool developed by the University of Sydney is playing an important role in local sport.

Environmental consultant Alan Pears AM makes the case for energy efficiency and emissions ratings that better reflect the impacts of peak demand and seasonal variability. 

Sonia Holzheimer, M.AIRAH, shares her reflections from the 21st Women in HVACR Conference in Dallas.

Many Australians live in substandard housing, but what can we actually do to improve thermal performance and reduce our energy bills?

Clearscope Legal’s Raphael Brown looks at some recent projects where HVAC&R has been in the compliance spotlight.

The adoption of ISO 16890 in Australia will support better filter selection and specification, according to Daniel McCaffrey, M.AIRAH, and Peter Mathieson, F.AIRAH, from AIRAH’s IAQ Special Technical Group.

At Canberra’s Australian War Memorial, a geothermal heating and cooling system goes beyond traditional methods to accommodate extreme temperatures.