Articles by John Siegenthaler, P.E.

North America may be the only place where certain installation practices are used.

Every time the circulator shuts off, the owner hears banging and gurgling sounds in the pipes ...

What's wrong with this arrangement for a low-temperature radiant floor panel?

The 6th biennial Foothills Hydronics Conference and Tradeshow was held in Edmonton, Alberta, April 18-19. This was the premier event for hydronic heating aficionados in Canada.

The lower limits are smaller than you think.

Some industry terms send the wrong message about what a hydronic system does.

There are at least four design errors in this schematic. Can you spot them?

New perspectives on a long-standing question.

This month, rather than “synthesizing” an incorrect piping schematic, I’ll show you a system based on a sketch sent to me.

Heating a 2,500-square-foot house with a 40-watt circulator.