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Home » Authors » Dan Holohan

Articles by Dan Holohan

 traffic delays in Seattle cause havoc

Dan Holohan: Service is never easy

But it is always commendable.
Holohan
Dan Holohan
May 12, 2022
No Comments

I asked some friends in the industry, who work in cities, how they manage to do what they do, what with the traffic, lack of parking and high-stressed inhabitants. What they had to say made me shiver. 



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I can see clearly now

Dan Holohan: I can see clearly now

Remove your hydronic cataracts with analogies.
Holohan
Dan Holohan
April 7, 2022
No Comments

For most of my career I’ve heard lay people say that it doesn’t pay to turn down the heat when they’re away from home because it takes much more heat to heat the house up again once it goes cold. They believe this because someone told them it’s true, even though it’s not true.


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What you have to do to win their business
Heating Help

Dan Holohan: What you have to do to win their business

Four questions to continuously ask your customer.
Holohan
Dan Holohan
March 10, 2022
No Comments

I recently posed this question to The Wallies, they being contractors who post nearly every day on The Wall at HeatingHelp.com: If a new wholesaler moved into your town, what would they have to do to win your business?


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James and Reuben Trane
Heating Help

Dan Holohan: Seeing the world in a different way

Embracing new perspectives can make history.
Holohan
Dan Holohan
February 7, 2022
No Comments

I was listening to James Trane the other day. He was speaking from Chicago in 1902, telling me that his system of steam heating using small pots of mercury was the best way to go. Mercury. That got me thinking about how my classmates and I used to play with mercury while our science teacher smiled as he wandered the room, watching us poke the dangerous stuff with our adolescent fingers. Life in the 1950s sure was interesting.


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The Lost Art of Steam Heating
Heating Help

Dan Holohan: Noise or music?

There is art in everything.
Holohan
Dan Holohan
January 5, 2022
No Comments

In 1992, I self-published a thick book I called, "The Lost Art of Steam Heating." I did this because I could not get a publisher interested in something that few, if any, contractors had installed since the 1930s. I thought it would do well in New York City, where there are still plenty of steam-heated buildings, but to my delight, we sold tens of thousands of copies everywhere, and even in Hawaii. Go figure.


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Holohan

Dan Holohan: Adventures in pumping

The evolution of pumps, circulators and radiant heat.
Holohan
Dan Holohan
November 30, 2021
No Comments

I read somewhere that the most prevalent machine in the world is the electric motor. I thought about that for a while and it made sense. Just look around. But then I began to wonder what the second-most prevalent machine in the world is. Turns out it’s the pump! And most pumps are connected to electric motors of one kind or another, so there you go. Throw a rock and you’ll hit a motor. Or a pump. They’re everywhere.  


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1021SHT-HeatingHelp-1193082805-web.jpg

Dan Holohan: 'Oh the places you'll go'

Our industry may take you to places you never imagined.
Holohan
Dan Holohan
November 9, 2021
No Comments

Dr. Seuss wrote a beautiful book by that title. It’s probably been the main focus of most high-school valedictorian addresses ever since. But I don’t think Dr. Seuss ever spent much time in unusual mechanical rooms or famous buildings. 


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Dan Holohan

Dan Holohan: Marbles and ghosts

Visual thinking is the key to understanding hydronic systems.
Holohan
Dan Holohan
October 6, 2021
No Comments

I worked for a manufacturers’ rep when I was first learning about hydronics. A guy I worked with was 15 years older than me. He knew that I had absolutely no training as an engineer so he took a different tack with my education. He made me close my eyes and imagine myself as a marble rolling through the pipes.


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Holohan

Dan Holohan: Troubleshooting the cuckoo's nest

Help your contractor customers be well-rounded in heating systems.
Holohan
Dan Holohan
August 30, 2021
No Comments
The steam seminar was to be in North Carolina, which was strange enough, that being the state where most folks only know how to say, “Heat pump, please.” It was also going to be sparsely attended. Oh, and the location was a nasty, windowless, brick-walled basement room in what used to be a hospital, but was now an office building. I immediately looked around for Jack Nicholson and Nurse Ratched. Welcome to the cuckoo’s nest.
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Old radiator

Dan Holohan: The two sides of hydronics

A history lesson on the two profitable sides of hydronic heating.
Holohan
Dan Holohan
August 11, 2021
One Comment
Steam-and hot-water heating joined hands a long time ago to make up what we today call “hydronics.” Both systems run on water, and they’ve been around for hundreds of years. The Institute of Boiler and Radiation Manufacturers coined the term hydronics in 1946 to make the science of heating a building with water sound sexy — like “electronics.”
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