“What Hydronics Taught Holohan” is Plumbing & Mechanical columnist Dan Holohan’s 374-page memoir.

Taco’s SmartPlug optimizes hot water system efficiency and reduces electrical consumption up to 94%.

PM columnist and hydronic heating expert Dan Holohan gave his final public speech for the industry Jan. 26 during PM Live!, which he co-hosted with PM columnist and Hydronics Editor John Siegenthaler. 

Johnson Controls’ Premium Efficiency vertical-stacked water-source heat pumps offer efficiency.

Some of the major programs offered for early 2016 include press technology courses for carbon steel, copper, gas fitters and stainless steel, as well as Radiant Week, LoopCAD, NFPA 13D fire sprinkler, snow and ice melting, geothermal and solar, and Hydronics 101.

Some of the major programs offered for early 2016 include press technology courses for carbon steel, copper, gas fitters and stainless steel, as well as Radiant Week, LoopCAD, snow and ice melting, geothermal and solar, and Hydronics 101.

John Siegenthaler will discuss new concepts for North American hydronics.

John Siegenthaler will discuss new concepts for North American hydronics.

On my lifelong journey toward understanding the peculiar ins and outs of older American heating systems, I’ve made some mistakes.

For a limited time, take $100 off the registration fee for these courses.