Articles by Dan Holohan

How the low-water cutoff came to be

Mr. McDonnell had to wait for the invention of the oil burner.
By Dan Holohan
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A chat with Mr. M


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A look at how radiators were rated

Number crunching.
By Dan Holohan
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At the turn of the 20th century, the American Radiator Company was the big cheese when it came to hydronic heating.


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10 things you should know about steam traps

Don’t get stuck!
By Dan Holohan
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Let’s get right to it with some steam-trap advice.


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These books will provide perspective on current events

Literary bonanza.
By Dan Holohan
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There’s a lot going on in the world right now and these events are affecting the price of fuel and the type of fuel we’ll be using in the days ahead. That’s going to have an impact on our businesses. Russian oil moves through Ukraine to Europe and this may change by the time you read this.


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A question to ponder

Do we really need to heat buildings?
By Dan Holohan
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The scientist in the TED video proposed a system where tracking heaters (think ray guns) would sense and follow people around a space, heating only them and not the air or objects around them. This made me smile because there is such technology already available.


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My worldwide adventures in the heating industry

Happy trails.
By Dan Holohan
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I’m in the last 20 months of doing seminars and that has me reflecting on the places I’ve been and the sometimes strange and always wonderful things I’ve seen when it comes to heating.


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And that’s the truth

These 12 lessons will make your job much easier.
By Dan Holohan
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Since I am now officially old, I get to pontificate on things that I have come to believe are always true in the hydronic-heating business, probably true in the rest of the heating business and certainly true when it comes to wet heat.


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Calendar of events

A quick lesson on the history of steam heating.
By Dan Holohan
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Not current events. Those are easy to find. These are more difficult to find, but worth the trip. I hope they fill you with wonder and make you appreciate how far we’ve come in this fascinating industry.


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Come fly with me

Airplane travel can teach us a heating lesson or two.
By Dan Holohan
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This goes back a bunch of years, but the horror remains as raw and smelly now as if did then, and I can’t blame the airlines. It was the alphabet’s fault. Before we get to that, let’s talk a bit about your body. If you’re sitting while reading me, this means you are currently alive.


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It’s a wonderful life

The Paul System has quite a story to tell.
By Dan Holohan
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So I walk into this loft apartment on Fifth Ave. in lower Manhattan and the first thing I see are three enormous video monitors spread across a semicircular desk. They’re attached to a film-editing system that would make Francis Ford Coppola smile, but instead the owner of that system smiles and says hello.


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BNP Media's Plumbing Group Visits Grundfos North American Headquarters

BNP Media’s Plumbing Group, comprised of the Plumbing & Mechanical, Supply House Times, PM Engineer (pme) and Reeves Journal brands, recently visited Grundfos’ new North American headquarters building in the western Chicago suburb of Downers Grove, Ill.

8/26/14 1:00 pm EST

Free Webinar: Low Temperature Heat Emitter Options in Hydronic Systems

With proper design, you can create systems that require supply water temperatures no higher than 120° F under design load conditions.

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2014 September

Our cover this month features incoming ASA President Rick Fantham, who holds the dual roles of president and CEO of Hajoca Corp., and London, Ontario-based Emco.

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