This second edition of the Radiant & Hydronics All Stars eBook showcases the latest technology and design trends in the radiant and hydronic markets. It features insights from our All Star Roundtable on low-temperature systems and upcoming efficiency standards for circulator pumps by 2028, along with design trends for residential and commercial applications.

In 2024, the RPA held educational sessions at the ASHRAE/AHR Expo in Chicago, welcoming new members and setting goals to advance the radiant and hydronics industry.

There is no shortage of industry patrons who’ve been impacted by Dan Holohan — manufacturers, reps, plumbers, and fellow writers alike. His love for teaching, writing, giving back and just undeniable kindness have left a mark.

Rohr has worked in the plumbing and hydronics industry since early childhood with his father, Bob “Hot Rod” Rohr.  After college, he interned at Caleffi headquarters in Italy for a year.

Yates will serve in the general interest category for a term of two years.

We are proud to present this fifth and final edition in the "Siggy" eBook series specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this FREE eBook is a collection of columns and articles from John Siegenthaler, P.E., a well-respected hydronics expert.

We are proud to present the fourth of five eBooks specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this FREE eBook is a collection of columns and articles from John Siegenthaler, a well-respected hydronics expert.

The deadline to apply is Aug. 31.

The Radiant Professionals Alliance is looking forward to a productive year on several fronts.