What are engineers making time to read? Here is the five-item punch list of the most popular news articles, features, and columns at www.esmagazine.com.

  1. What’s Next: Specifying the Right R-410A Replacement
  2. Hydrogen Battery Storage Room Ventilation: The Evolving Codes and Standards
  3. The Three Stages to Controlling a Chiller and its Primary-Secondary Pumps
  4. Obituary: Herbert V. Kohler Jr.
  5. 2022 Commercial Comfort Products of the Year