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Home » Topics » Columns

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Ray Wohlfarth

Ray Wohlfarth: Tips for high-efficiency boiler replacement

What could happen? Costly callbacks.
Ray Wohlfarth
July 28, 2020

It was such a simple project; replace the old cast iron boiler with a new condensing boiler. You knocked it out in a few days. 


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Matt Michel

Matt Michel: 7 simple steps to improve your plumbing business

The importance of basic blocking and tackling.
Matt Michel
Matt Michel
July 27, 2020

The coronavirus has captured most of the discussion in the trade press since the lockdowns began. It should have — it’s been the overriding event. 


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Dave Yates

Dave Yates: Legionella in HVAC

Taking a deeper look.
Dave Yates
Dave Yates
July 24, 2020

In 1976, while attending an American Legion Convention at the Bellevue Stratford Hotel, 211 people became ill and 34 of them died from what was thought to be a previously unknown type of bacterial pneumonia. 


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Kenny Chapman

Kenny Chapman: It’s time to evaluate your systems

An effective evaluation process sets you free
Kenny Chapman headshot with a white round border frame, 200x200
Kenny Chapman
July 23, 2020

I’ve been studying human performance (specifically peak performance) for years in individuals and organizations. 


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Dan Holohan

Dan Holohan: Get out and learn

Keep an open mind and think.
Dan Holohan
July 22, 2020

I went to ISH in Frankfurt, Germany with three friends in 1995. 


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Siggy

John Siegenthaler: Don’t mix your piping designs.

A little of this, a little of that — leads to incorrect layouts.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
July 21, 2020

Some hydronic system designers cling to certain system piping configurations — even when existing projects using those configurations have produced problems.


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The 7-Power Contractor

AL Levi: Fix things at your company

How to get ahead of the fire.
7 Power Blog
Al Levi
July 20, 2020

What is finally going to fix things at your company? 


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Call Center

Coach's Corner: Involve your phone team in long-term planning

To reduce problems down the road, make the internal team an integral part of all plans.
Tom Merriott
July 1, 2020

Allow your internal team to help you evaluate your phone scripts to better reflect the words and attitudes that meet your shared goal.


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Nicole Krawcke

Nicole Krawcke: Customer service can make or break your company

Ensure your entire team knows the meaning of good customer service.
Nicole Krawcke head shot 2024
Nicole Krawcke
June 30, 2020

Well, it finally happened. Michigan weather heated up, and my AC sputtered and died a sad death. 


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Ray Wohlfarth

Ray Wohlfarth: Troubleshooting hydronic systems

Piping layout in hydronic systems is often confusing.
Ray Wohlfarth
June 29, 2020

When troubleshooting a hydronic system, the piping layout is often confusing. To understand the system, I sometimes sketch the piping to help me visualize the flow of water. 


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