Dan Holohan

Dan Holohan can be reached at Dan Holohan Associates Inc., 63 North Oakdale Ave., Bethpage, NY 11714. Dan operates the HeatingHelp.com website. Post technical challenges on The Wall and get input from the best in the business.

Dan Holohan: The two sides of hydronics

A history lesson on the two profitable sides of hydronic heating.

Dan Holohan

October 7, 2021

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Steam and hot-water heating joined hands a long time ago to make up what we today call “hydronics.”

The subtlety of steam

Help your customer be a better troubleshooter.

Dan Holohan

August 5, 2021

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You may think steam is just, well, steam. But there’s a lot more going on when it comes to steam heating a building. A bit of knowledge about the hot stuff will make you a better troubleshooter when it comes to what’s heating many of our older buildings. So let me help you look like a genius.

Dan Holohan: How to size a condensate pump

Some advice: Always try to see the system.

Dan Holohan

June 8, 2021

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Most manufacturers rate their condensate pumps in square feet EDR.

Dan Holohan: What is heat?

If you want to be a heating expert, you first have to understand what heat is.

Dan Holohan

April 12, 2021

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Before I retired in 2016, I’d get a lot of calls from lawyers who wanted to hire me to be an expert witness at a trial.

Dan Holohan: What’s in a name?

Questioning the plumbing industry’s lexicon.

Dan Holohan

July 31, 2020

One Comment

We have so many names for common things and tools that we use in this business; and because I have way too much time on my hands, I started wondering how those names came to be.