Ashrae Articles
Explore the full archive of Dr. Andy Pearson’s monthly ASHRAE Journal contributions, spanning from 2012 to today. As Star Group’s Managing Director, Dr. Pearson dives into diverse topics like heat pumps and refrigeration basics while paying homage to the industry’s greatest innovators.
What’s in a Name?
How naming conventions shape our understanding of refrigerants, risks, and public perception.
The Magnificent Seven
Seven guiding principles for designing refrigeration systems that perform reliably and efficiently.
Risk
Balancing safety, regulation, and practicality when working with higher-risk refrigerants.
Blowing in the Wind
Examining fan performance, energy use, and control strategies in real installations.
Under Pressure
Understanding pressure-related failures and how thoughtful design prevents dangerous surprises.
An Inside Job
Uncovering internal leaks that quietly steal performance from otherwise well-designed plants.
The Future of Data
How emerging data tools reshape engineering decisions, responsibilities, and long-term refrigeration design.
Taking the Pledge
Exploring international commitments to refrigerant transition, climate responsibility, and practical implementation.
Be More Hippocratic
Applying a “do no harm” mindset to engineering decisions and system design.
Scientists Not Baffled
Clarifying a classic experiment to show science is careful, not confused.
Staying Tight
How leak-tight design safeguards efficiency, safety, and compliance in modern refrigeration systems.
Making Ammonia Work For You
Practical strategies for leveraging ammonia’s strengths while managing safety and regulation.