Articles by John Siegenthaler, P.E.

A new office provides a testing ground for new hydronic heating methods.

The December 1997 Hydronics Workshop column showed several ways of using diverter tees in hydronic systems.

Load diversity allows a heat source to be reduced with respect to peak load.

This column describes some issues related to hydronic heating for which answers remain nonspecific.

Look at the overall schematic of hydronic piping schematics as a group of subassemblies, each of which accomplished a specific (but limited) task.

Many residential hydronic baseboard systems are designed to operate at water supply temperatures of 180–200 degrees F whenever there’s a demand for heat.

I’m always looking for the basic concepts used and perhaps even some new, previously unheard of way of piping a hydronic system.

Noises from piping expansion, as well as swings in indoor temperature can be greatly reduced by using outdoor reset controls to regulate system water temperature.

We’ve only touched on a few of the possibilities this type of simple spreadsheet offers.

What method do you use for sizing fin-tube baseboard?