search
cart
facebook instagram twitter linkedin youtube
  • Sign In
  • Create Account
  • Sign Out
  • My Account
  • NEWS
  • PRODUCTS
    • FEATURED PRODUCTS
  • CONTRACTORS
    • BATH & KITCHEN PRO
    • BUSINESS MANAGEMENT
    • HIGH EFFICIENCY HOMES
    • TECHNOLOGY
    • WATER TREATMENT
    • PMC COLUMNS
      • Dave Yates: Contractor’s Corner
      • John Siegenthaler: Hydronics Workshop
      • Kenny Chapman: The Blue Collar Coach
      • Matt Michel: Service Plumbing Pros
      • Scott Secor: Heating Perceptions
  • ENGINEERS
    • CONTINUING EDUCATION
    • DECARBONIZATION | ELECTRIFICATION
    • FIRE PROTECTION
    • GEOTHERMAL | SOLAR THERMAL
    • PIPING | PLUMBING | PVF
    • PME COLUMNS
      • Christoph Lohr: Strategic Plumbing Insights
      • David Dexter: Plumbing Talking Points
      • James Dipping: Engineer Viewpoints
      • John Seigenthaler: Renewable Heating Design
      • Lowell Manalo: Plumbing Essentials
      • Misty Guard: Guard on Compliance
  • RADIANT & HYDRONICS
    • RADIANT COMFORT REPORT
    • THE GLITCH & THE FIX
  • INSIGHTS
    • CODES
    • GREEN PLUMBING & MECHANICAL
    • PROJECT PROFILES
    • COLUMNS
      • Codes Corner
      • Kristen R. Bayles: Editorial Opinion
      • Guest Editorial
    • SPONSOR INSIGHTS
  • MEDIA
    • EBOOKS
    • PODCASTS
    • VIDEOS
    • WEBINARS
  • RESOURCES
    • BIG BOOK DIRECTORY
    • REP LOCATOR
    • INDUSTRY CALENDAR
    • PM BOOKSTORE
    • CE CENTER
    • MARKET RESEARCH
    • CLASSIFIEDS
  • EMAGAZINE
    • EMAGAZINE
    • ARCHIVE ISSUES
    • CONTACT
    • ADVERTISE
    • PME EMAGAZINE ARCHIVES
  • SIGN UP!
Home » Authors » Dan Holohan

Articles by Dan Holohan

Dan Holohan

Dan Holohan: When luck fails you

Ask the important questions on every troubleshooting call.
Dan Holohan
July 2, 2021

Have you ever had one of those times when you’re trying to figure out some problem and then suddenly the solution comes to you as if by magic? 


Read More
Dan Holohan

Dan Holohan: Are you treating those systems?

Water quality can impact the operation and life cycle of hydronic systems.
Dan Holohan
May 27, 2021

I was wondering about boiler chemicals and how many contractors (if any) were using them on brand-new systems. Do we need them? 


Read More
Dan Holohan

Dan Holohan: Frugal tools

Pay attention, these tools are tough.
Dan Holohan
April 28, 2021

Who doesn’t like to talk about tools? I asked a bunch of my friends about the tools that live on in sweet memory as frugal tools — tools that were worth the investment. 


Read More
Dan Holohan

Dan Holohan: Learning from history

Hydronic tidbits from the past.
Dan Holohan
April 1, 2021

We’ve come a long way since the days of gravity-hot-water heating. The physics haven’t changed a bit, but the systems sure have. 


Read More
Dan Holohan

Dan Holohan: PROcrastination

Is it better left to tomorrow?
Dan Holohan
March 1, 2021

We’re only human, and most humans like to put off things until they absolutely have to be done. 


Read More
Dan Holohan

Dan Holohan: How Frank and John taught me to see

All about master venting.
Dan Holohan
January 25, 2021

In 1989, when I was thinking about writing a book called, “The Lost Art of Steam Heating,” I went to see a young engineer named Frank Gerety. 


Read More
Dan Holohan

Dan Holohan: How vacuum can cause steam problems

Don’t learn the hard way.
Dan Holohan
December 23, 2020

Back in the old days when most folks burned coal, vacuum was just about everyone’s friend. 


Read More
Dan Holohan

Dan Holohan: How to size a condensate pump

Some advice: Always try to see the system.
Dan Holohan
November 27, 2020

Most manufacturers rate their condensate pumps in square feet EDR. 


Read More
Dan Holohan

Dan Holohan: What I learned about steam traps

Lessons learned in the field.
Dan Holohan
October 22, 2020

Most of this, I had to learn the hard way. Perhaps you’ve done the same, but in case you haven’t, please allow me to save you some heartache. 


Read More
Dan Holohan

Dan Holohan: Pumps or circulators?

Never stop asking questions.
Dan Holohan
September 23, 2020

I started out in the business working for a manufacturers’ rep on the Isle of Long. 


Read More
Previous 1 2 3 4 5 6 7 8 9 … 16 17 Next
Manage My Account
  • Newsletters
  • Online Registration
  • Subscription Customer Service
  • eMagazine
  • Manage My Preferences

More Videos

Sponsored Content

Sponsored Content is a special paid section where industry companies provide high quality, objective, non-commercial content around topics of interest to the Plumbing & Mechanical audience. All Sponsored Content is supplied by the advertising company and any opinions expressed in this article are those of the author and not necessarily reflect the views of Plumbing & Mechanical or its parent company, BNP Media. Interested in participating in our Sponsored Content section? Contact your local rep!

close
  • HyperPure® PE-RT tubing
    Sponsored byLegend

    Why Sustainable Innovation Will Shape the Future of Plastic Pipe

  • HyperPure® PE-RT tubing
    Sponsored byLegend

    More Than One Right Answer: Rethinking PE-RT in Modern Plumbing Systems

Popular Stories

An aerial view of the Obama Presidential Center.

Plumbing Contractor Cites $3.9M in Losses Tied to Obama Presidential Center Project

Large Residential Water Heating Boiler Maintenance Performed by Professional HVAC Technician

Is the Industry Ready for Heat Pump Water Heaters?

hydronics systems

Improving Hydronic Efficiency

Download the FREE 2025 Water Conservation, Quality & Safety eBook

Events

August 4, 2026

Is Contractor Training a Cost Center or Your Most Overlooked Growth Engine?

In this webinar, you’ll learn how to reframe training as a measurable revenue driver by connecting contractor performance improvements to real business outcomes—like increased equipment sales, stronger margins, and greater share-of-wallet.

August 25, 2026

Every Minute Matters: A Plumber’s Guide to Growth Without Adding

Join this webinar for practical strategies to grow revenue, improve profitability, and create more capacity using the resources you already have.

View All Submit An Event

Poll

Getting your new hire jobsite-ready

How long does it typically take to get a new hire jobsite-ready?
View Results Poll Archive

Products

The Water Came To A Stop

The Water Came To A Stop

See More Products
eBook | 2025 Radiant & Hydronics All Stars

Keep your content unclogged with our newsletters!

Stay in the know on the latest plumbing & piping industry trends.

JOIN TODAY!
  • RESOURCES
    • Advertise
    • Contact Us
    • Directories
    • Store
    • Want More
    • Supply House Times
  • SIGN UP TODAY
    • Create Account
    • eMagazine
    • Newsletter
    • Customer Service
    • Manage Preferences
  • SERVICES
    • Marketing Services
    • Reprints
    • Market Research
    • List Rental
    • Survey/Respondent Access
  • STAY CONNECTED
    • LinkedIn
    • Facebook
    • Instagram
    • YouTube
    • X (Twitter)
  • PRIVACY
    • PRIVACY POLICY
    • TERMS & CONDITIONS
    • DO NOT SELL MY PERSONAL INFORMATION
    • PRIVACY REQUEST
    • ACCESSIBILITY

Copyright ©2026. All Rights Reserved BNP Media, Inc. and BNP Media II, LLC.

Design, CMS, Hosting & Web Development :: ePublishing