The Glitch & The Fix: March 2025 OK - At a glance: three zone radiant floor heating system John Siegenthaler, P.E. March 31, 2025 Can you spot several details that are either incorrect or missing? Can you propose an alternative design that would accomplish the same goals using less hardware?Read More
John Siegenthaler: Chump change The minuscule cost of operating a well-designed hydronic distribution system. John Siegenthaler, P.E. December 22, 2020 Hydronic heating professionals often promote the concept that current generation mod/con boilers can operate with AFUEs in the range of 95% and above. Read More