John Siegenthaler: Hydronics Workshop

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A simplified design for cordwood gasification boiler systems.

A simple circuit to coordinate fresh air dampers.

Designers need more information on “nubbed” foam insulation panels.

Anyone who has worked on the technical side of the hydronics industry has used terminology such as: pressure, differential pressure, head and head loss. These terms all have legitimate and specific meanings.

A knowledge of basic science reveals situations that seem too good to be true.

Stay above the dew point.

It’s energy cost savings that really matter.

What is the purpose of a check valve?

Every hydronic system has one or more controllers that measure and respond to temperature.

When designing hydronic circuits, most of us focus on what’s necessary for that circuit to absorb thermal energy at a heat source, carry it along like a conveyor belt and release that energy at one or more heat emitters.