
Nick Johns-Wickberg
Nick Johns-Wickberg is the Editor of AIRAH’s Ecolibrium and HVAC&R News magazines.
Articles by Nick Johns-Wickberg | Page 3
Key takeaways from IAQ25
We look back at the major discussions from AIRAH’s 2025 Indoor Air Quality Conference (IAQ25), which was held in Melbourne from May 26–27.
HVAC design just got more sustainable
AIRAH’s Professional Diploma in Sustainable HVAC Design and Operation is accepting new applicants.
Terms of engagement
If you’ve called AIRAH over the past few months, it’s likely that you’ve spoken to our new Engagement Officer, Finley Reid.
AIRAH launches Women in HVAC&R Summit
The first iteration of the annual event will take place at the Ivy Ballroom in Sydney on Friday, October 24.
Lifelong learning
Reflecting on a 62-year AIRAH membership, this piece explores the industry’s evolution and the enduring role of HVAC&R in shaping modern life.
Who holds the responsibility?
The article examines who should guide households toward affordable, sustainable home heating and cooling.
APER approved in WA, extended in Queensland
The AIRAH Professional Engineer Register (APER) has expanded to Western Australia and been renewed in Queensland.
Strength in standards
As a proud member of Standards Australia, AIRAH has representatives on almost 20 different committees responsible for key standards in the HVAC&R industry.
The big issues in HVAC commissioning
AIRAH’s Commissioning Special Technical Group (STG) discusses two common issues in HVAC commissioning: communication struggles and a lack of formal documentation.
Latest edition
See everything from the latest edition of Ecolibrium, AIRAH’s official journal.




