Dan Holohan

Dan Holohan

Dan Holohan can be reached at Dan Holohan Associates Inc., 63 North Oakdale Ave., Bethpage, NY 11714. Dan operates the HeatingHelp.com website. Post technical challenges on The Wall and get input from the best in the business.

ARTICLES

How heating systems began

I was having a conversation the other day with Mr. Ara Marcus Daniels.

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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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!

5/28/15 2:00 pm EDT

Efficient Variable Speed Pump Selection & Control

This webinar will help to answer questions like: "How many pumps should our system use?" and "How should we sequence (stage) on additional pumps?"

Plumbing and Mechanical

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2015 April

In this month's issue of PM, check out articles about Sloan Valve, including a PM profile on Sloan Valve president and CEO Jim Allen

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The Plumbing and Mechanical Store

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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.