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I've learned that there are many imaginative contractors in the heating business, and many have a fine way with words, along with unusual ways of sizing equipment, explai...

I've been thinking about the tens of thousands of contractors I've met in my travels since 1970. I love these people (some more than others) and their tenacity. There's n...

For want of a vacuum breaker, water hammer destroyed this heat exchanger. The call came in when I was young, eager, and paying close attention to the grown-ups. I had bee...

I figure there are only two things that can start and stop a steam-heating boiler. One is a thermostat of some kind. It might be an ordinary one, the sort you’d find in a...

For a sales transaction to be successful, there has to be certain expectations for both the buyer and the seller. That same type of arrangement holds true when a building...

When I was young, I used to love watching magicians and was amazed how they would pull something out of what appeared to be an empty hat. That seems to be the kind of cli...

“Trust but verify” was a Russian proverb that President Ronald Reagan used often in Cold War discussions with Russian President Mikhail Gorbachev, and it is appropriate t...

Designing a commercial boiler replacement where you were not the original designer or installer might have some hidden dangers that could haunt you for years. The project...

The appointment with the specifying engineer did not go well, at all. I proudly showed him the information about the boilers that I represent and he handed the material b...

A series of anomalies occurred in the boiler room one evening. The steel compression tank for the hydronic loop flooded, leaving no room for expansion. Water will expand ...