Articles by Dan Holohan


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

I am in the process of getting bids to replace my old (circa 1930s) steam boiler. 
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What might have been

The death of a hydronic pioneer’s dream.
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Lester on licensing

It could be the answer the PHC industry has been seeking.
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One wimpy heater

If you look at just one part of the steam system, you won’t be able to solve the problem.
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Pipe and valves

Getting the most out of modern steam boilers.
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Tales of TRVs

Pressure drop and flow resistance are critical when installing these devices.
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Just plain nuts

It is more difficult to spot these customers because they look so normal - at first.
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The power of hydrogen

Check the pH of steam boilers regularly to reduce corrosion and leaks.
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Where there is air

Think like steam and watch your problems fade away.
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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!

1/27/15 2:00 pm EST

Grow Your Business and Improve Operations with New Payment Technology

Attend this free webinar to learn how new developments in payment technology can help you close more jobs, increase upselling opportunities and improve operations.

Plumbing and Mechanical

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2014 December

The December issue is the 2015 B.I.G. Book!
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Where do you look for new employees?

Where do you look for new employees?
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The Plumbing and Mechanical Store

2015 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

Are you proud of how your service truck looks? Do the graphics give people whiplash as they drive by? Have your calls increased because people remember your truck — and your company name? If so, we’d like to see it, too! Click here to find out how your service truck could be chosen as PM's Truck of the Month.