Hydronic systems - Articles - Page 9

Dan Holohan: My favorite radiator stories

The things we are taught when young stay with us for a long time — even if they are not always the right things.

August 2, 2021

So, I’m visiting a wholesaler in an old town on Long Island where my Uncle Tony worked when he was still on this side of the lawn. You would have liked him.

Ray Wohlfarth: Troubleshooting hydronic systems

A checklist to help with diagnosing problems on the job.

Ray Wohlfarth

July 7, 2021

Troubleshooting hydronic systems can be challenging, as the pipes are hidden behind walls. Your imagination has to help you “see” the routing of the piping.

Dan Holohan: When luck fails you

Ask the important questions on every troubleshooting call.

Dan Holohan

July 2, 2021

Have you ever had one of those times when you’re trying to figure out some problem and then suddenly the solution comes to you as if by magic?

John Siegenthaler: Your customers don’t pay for COPs

Understanding coefficient of performance.

John Siegenthaler, P.E.

July 1, 2021

The measure of a heat pump’s heating performance is called coefficient of performance (COP). It’s the ratio of useful heat output divided by required energy input, where both the output and input are expressed in the same physical units.

Dan Holohan: Are you treating those systems?

Water quality can impact the operation and life cycle of hydronic systems.

Dan Holohan

May 27, 2021

I was wondering about boiler chemicals and how many contractors (if any) were using them on brand-new systems. Do we need them?

John Siegenthaler: Keeping your cool

Important details for small-scale chilled water cooling.

John Siegenthaler, P.E.

May 26, 2021

Most of the modern hydronics technology used in North America for residential and light commercial buildings is for heating.

John Siegenthaler: A diversionary detail

Another circumstance where hydronic versatility adds value.

John Siegenthaler, P.E.

April 27, 2021

The heating output and coefficient of performance (COP) of any hydronic heat pump is very dependent on the water temperature leaving the heat pump’s condenser.

HydroSketch software now available with single user license

February 8, 2021

HydroSketch is a cloud-based software for drawing piping and electrical schematic diagrams to document hydronic heating and cooling systems. It was designed for users who need to make a simple drawing, without the lengthy learning curve associated with most CAD software.