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Home » Topics » Dan Holohan: Heating Help

Dan Holohan: Heating Help
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Dan Holohan October 2014 Author Image

Comfortable offices increase employee productivity

Give us a hug.
Dan Holohan
December 19, 2013

Last summer, when we were roasting in that July heat wave, Ron Friedman, Ph.D, wrote a brilliant article for Psychology Today magazine. He titled it, “Want More Productive Workers? Adjust Your Thermostat.” This grabbed me by the lapels and gave me a good shake, of course.


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No thanks lousy bathroom and fickle reps

What I am not thankful for this year.
Dan Holohan
November 18, 2013

This is the month when we Americans give thanks for all that is good in our lives and I’m all for that. I love the big meal, the gathering family and the Macy’s parade. I also love nodding off on the couch after all that grand stuff.


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Perspectives from the front

The tale of Quincy, Mass., and its energy costs.
Dan Holohan
October 18, 2013

Each Thursday morning, I send a free enewsletter to more than 5,000 opt-in subscribers. It usually contains seven links to interesting stories (some of which even have to do with heating) along with my brief musings. I do this because I am curious by nature, love to share and have no life.


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My day as a potted plant

A tale of corporate misunderstandings and embarrassing new suits.
Dan Holohan
September 20, 2013

 Our daughter, Colleen, born and raised on Long Island, now lives in a suburb of Boston with her husband, Adam. The town they live in is called Medford.  


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You don’t need a weatherman

You do need knowledge of the quirks of older heating systems.
Dan Holohan
August 22, 2013

 I was chatting with an engineer the other day. She called to ask me some questions about old steam-heating systems, particularly those of the New York City variety.  


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A grand punch in the mouth

Lessons learned from the Great Recession and Hurricane Sandy.
Dan Holohan
July 18, 2013

 I’d like to begin with a big shout-out to that noted philosopher, Mr. Michael Tyson, who once said, “Everyone has a plan, ’til they get punched in the mouth.”


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Understanding pump pressure that’s available vs. the required pressure

Not pumping so hot
Dan Holohan
June 25, 2013

I was lucky to have had as one of my teachers the late, great Gil Carlson.  


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Early radiant heating systems

From Roman hypocausts to Chinese kangs to Levittown to the invention of PEX.
Dan Holohan
May 29, 2013

Each morning, when I sit at my desk, I give a moment’s thought to the broken copper pipe buried in the concrete slab just below my feet. 


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Radiator Cover-Up

A simple way of killing convection and radiation.
Dan Holohan
April 19, 2013
One of my yellowed heating textbooks has a wonderful drawing of a Victorian radiator that has what looks like a teapot cozy over it.
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Thank Denis

A brief history of the steam pressure-relief valve.
Dan Holohan
March 15, 2013
A brief history of the steam pressure-relief valve.
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