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.

Some advice for aspiring hydronic heating professionals.

Hydronic systems, like nature, want balance.

Alternatives to parallel primary loops.

Full-coverage radiant floors may not be the best choice.

The boiler isn't the only source of heat in many hydronic systems.

Visualizing pressure differences is key to proper hydronic design.

Achieving a balance between heat emitter area and supply water temperature.