Dan Holohan

Dan Holohan operates HeatingHelp.com. You can reach him at dan@heatinghelp.com. He loves hearing from you!

ARTICLES

Hot water and steam boilers during the summer

Summer, hot water and steam
By Dan Holohan
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The effects of fresh water and near-boiling water on iron pipe.


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A grand punch in the mouth

Lessons learned from the Great Recession and Hurricane Sandy.
By Dan Holohan
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 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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Thank Denis

A brief history of the steam pressure-relief valve.
By Dan Holohan
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A brief history of the steam pressure-relief valve.
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We Put the Fish in Efficiency

What exactly is higher efficiency higher than?
By Dan Holohan and Dan Holohan
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My friend, Jenni, was visiting from Scotland and had never been to Central Park, so I took her there for a long walk, a ride on the carousel and some wine at the boathouse. We sat outside.
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Hydronic heating has come a long way, but system innovation continues

By Dan Holohan
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Twenty years ago this month, I wrote a column for this fine magazine titled, “Reaching for Higher Plateaus.”


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Vertical heating

By Dan Holohan
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Unraveling the mysteries of early 20th century high-rise steam-heating systems.
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The house by Cedar Hill

By Dan Holohan
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The early days of district steam heating systems in NYC.
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Old boiler room stuff

By Dan Holohan
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Use this list to troubleshoot old steam-heating systems.

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Gianni

By Dan Holohan
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Unskilled workers in your area? Train ‘em!
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Off The Wall: Steam boilers and wet returns

By Dan Holohan
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I am in the process of getting bids to replace my old (circa 1930s) steam boiler. 
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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!

9/16/14 9:00 am PDT

Free Webinar: Acoustical Isolation

HOLDRITE will be hosting a free webinar for Acoustical Isolation on Tuesday, Sept. 16, 2014.

Plumbing and Mechanical

2014 August

2014 August

In the August issue of PM, read about the continued construction and renovations being made to hotels and restaurants. Find out the focus of this year's ISH China show will be, who made this month's Truck of the Month and read what Elkay has to say about their commercial construction expansion. Also, read the latest news and discover the newest products being used by professionals in the plumbing and mechanical 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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Truck of the Month

Truck of the month

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