heating

Dan Holohan: The subtlety of steam

Help your customer be a better troubleshooter.

Dan Holohan

June 7, 2021

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You may think steam is just, well, steam. But there’s a lot more going on when it comes to steam heating a building.

Laars combi boilers

May 24, 2021

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Laars Heating Systems’ ultra-high-efficiency floor-standing FT series combination boiler and water heater is the only residential combi boiler that simultaneously supplies abundant home heat and endless hot water without interruption, the company states.

Hitachi mini-splits

May 17, 2021

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Hitachi’s new line of mini-split systems feature vector DC inverters to achieve high performance energy efficiency, the company notes.

Dan Holohan: Sludge, scale and bouncing boilers

Understanding the causes of pipe scale.

Dan Holohan

May 5, 2021

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Clogging up heating surfaces is sort of like having all the traffic lights in your town turn red at the same time, and then stay red.

Weil-McLain partners with 4950 Sales

April 15, 2021

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Weil-McLain has partneredwith plumbing and mechanical firm 4950 Sales to represent the company's full line of residential and commercial boilers in the Alaska region. Based in Palmer, Alaska, the company, which serves the commercial, industrial and plumbing & mechanical and construction sectors, is led by Charles Benshetler and Nick Benshetler.

HARDI distributors report 21.1% increase in February

April 5, 2021

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HARDI's monthly TRENDS report shows the average sales performance by HARDI distributors was an increase of 21.1% during February 2021.

Navien NPE-A2 condensing tankless water heater

March 24, 2021

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Navien has launched its new NPE-2 series. The NPE-2 is offered in four Standard (NPE-S2) models up to 199,900 BTU/H and three Advanced (NPE-A2) models up to 199,900 BTU/H.

Dan Holohan: Your body is a radiator

Use understanding of body temperature to sell radiant heating.

Dan Holohan

February 26, 2021

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Ever been to Ocean City, Maryland? It’s a summertime wonderland, and I was lucky enough years ago to get hired to do a seminar on hydronic radiant heating for a group of contractors who were having a conference there.

Dan Holohan: What is heat?

If you want to be a heating expert, you first have to understand what heat is.

Dan Holohan

January 28, 2021

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Before I retired in 2016, I’d get a lot of calls from lawyers who wanted to hire me to be an expert witness at a trial. They were almost always representing a building owner. I always said “no thank you,” because I like to keep stress out of my life.

Dan Holohan: Nearly famous heating quotes

Certain quotes always stick with you.

Dan Holohan

December 28, 2020

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Gil Carlson, who was the first person to come up with many of the hydronic concepts we take for granted today, was also my teacher. He would often say, “For a difference to be a difference, it has to make a difference.”