Articles by Dan Holohan

Top 10 facts about the Hartford Loop

Ten facts about its history and how it works
By Dan Holohan
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Learn about how the Hartford Loop works.


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Get real — get hydronic heat

Reality shows.
By Dan Holohan
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An old, cast-iron pipe, with the slightest amount of water in it for two winters can crack laterally and for quite a few feet.


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How heating systems began

I was having a conversation the other day with Mr. Ara Marcus Daniels.
By Dan Holohan
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We were talking about early heating systems, Ara and I. I had questions and he had answers. When you want to know stuff about how things began, it pays to ask someone who has been dead for a while. Guys like that were there at the start and saw most of it for themselves.


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High pressure goes to low pressure. Always.

Inflation.
By Dan Holohan
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I stopped at the gas station the other day because one of my car’s tires looked a bit low. They charge us for air here on the Isle of Long. When I was a young man, it was free.


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Kids and mechanical malfunctions

Could they be the cause of your mechanical malfunctions?
By Dan Holohan
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Our daughter Kelly and her husband, Craig, wanted to give our grandchildren names that would never appear on a souvenir rack in a touristy store, so they named our grandson Sullivan “Sully” Daniel and our granddaughter Dempsey Jane.


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Knowledge is the greatest gift you can give

When I’m 64.
By Dan Holohan
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I turn 64 this month and if I knew I was going to live this long I would have taken better care of myself. Will you still need me; will you still feed me, when I’m 64? Hope so.


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Comfortable offices increase employee productivity

Give us a hug.
By Dan Holohan
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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.
By Dan Holohan
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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.
By Dan Holohan
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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.
By Dan Holohan
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 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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2014 Truck of the Month

PM has featured so many great plumbing service trucks! See plenty of them here in our Truck Of The Month Archives page. Are you proud of your truck? Go to our Truck of the Month page to find out how your service truck could be chosen!

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.

Plumbing and Mechanical

July 2014

2014 July

In the July issue of PM Magazine, read about the steps the president of MacGregor Plumbing is taking to help the next generation of plumbing professionals enter the industry. Learn about the Hartford Loop, how CPVC pastic piping works in multifamily construction and training mistakes to avoid to become a more effective trainer. Find out who is this month's Truck of the Month, read the latest tool tips and discover the latest products in the plumbing industry.
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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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